{"title":"Through Coating Thickness Gauges","description":"\u003ch1\u003eMeasure base material thickness without removing paint, coatings or protective linings.\u003c\/h1\u003e\n\u003cp\u003eThrough coating ultrasonic thickness gauges from Sper Scientific allow inspectors and engineers to accurately assess wall thickness on coated pipes, vessels, and structural steel — saving time and preserving surface integrity.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Coating Removal Required:\u003c\/strong\u003e Advanced pulse-echo and echo-echo measurement modes allow accurate base metal readings through intact coatings, eliminating costly and time-consuming surface prep.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion \u0026amp; Wall Loss Inspection:\u003c\/strong\u003e Detect metal thinning beneath protective coatings on pipelines, storage tanks, ship hulls, and pressure vessels without disturbing the coating layer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Mode Operation:\u003c\/strong\u003e Many models support both standard (single echo) and through-coating (echo-to-echo) modes for maximum measurement flexibility across different applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField-Ready \u0026amp; Portable:\u003c\/strong\u003e Rugged, handheld designs with digital displays and interchangeable transducers suited for plant, field, and offshore inspection environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIdeal for oil and gas, marine, power generation, and infrastructure inspection, Sper Scientific through coating thickness gauges deliver reliable NDT measurements where surface removal isn’t an option.\u003c\/p\u003e","products":[{"product_id":"through-coating-ultrasonic-thickness-gauge","title":"BT-T7 Through Coating Ultrasonic Thickness Gauge","description":"\u003ch1\u003eBRK BT-T7 Through-Coating Ultrasonic Thickness Gauge\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e\u003cspan style=\"color: #ff2a00;\"\u003eAll BRK meters and probes ship direct from the \u003cspan style=\"caret-color: rgb(255, 42, 0);\"\u003emanufacturer and\u003c\/span\u003e require 10-15 business days for shipping.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe BRK BT-T7 is a professional-grade ultrasonic thickness gauge engineered for non-destructive measurement of base material thickness without removing surface coatings.\u003c\/strong\u003e It accurately measures true substrate thickness through paint, epoxy, galvanizing and corrosion layers up to 5 mm thick, significantly reducing inspection time and eliminating surface preparation.\u003c\/p\u003e\n\u003cp\u003eUtilizing advanced ultrasonic pulse-echo technology, the BT-T7 delivers high-precision readings across steel, aluminum, plastics, glass and other homogeneous materials. Its rugged housing, high-resolution display and long battery life make it ideal for demanding industrial inspection and maintenance environments.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough-Coating Measurement Mode\u003c\/strong\u003e\u003cbr\u003eMeasures base metal thickness through coatings up to 5 mm thick without removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Measurement Range\u003c\/strong\u003e\u003cbr\u003e0.7 to 500 mm in standard mode on steel. 3 to 50 mm in through-coating mode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Precision Performance\u003c\/strong\u003e\u003cbr\u003eResolution of 0.01 mm with accuracy of ±(0.6%H + 0.05) mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Sound Velocity\u003c\/strong\u003e\u003cbr\u003eVelocity range from 500 to 18,000 m\/s for material calibration flexibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Units\u003c\/strong\u003e\u003cbr\u003eDisplays readings in millimeters or inches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRechargeable Power System\u003c\/strong\u003e\u003cbr\u003eIntegrated Li-ion battery providing over 160 hours of operation with backlight off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial-Ready Construction\u003c\/strong\u003e\u003cbr\u003eCompact, durable housing designed for field inspection use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCorrosion monitoring in pipelines, tanks and pressure vessels\u003c\/li\u003e\n\u003cli\u003eMarine hull and ship structure inspection\u003c\/li\u003e\n\u003cli\u003eStructural steel thickness verification\u003c\/li\u003e\n\u003cli\u003eOil, gas and petrochemical facility maintenance\u003c\/li\u003e\n\u003cli\u003eManufacturing and fabrication quality control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBT-T7 thickness gauge\u003c\/li\u003e\n\u003cli\u003eStandard 10 mm ultrasonic probe\u003c\/li\u003e\n\u003cli\u003eCalibration block\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCharging cable\u003c\/li\u003e\n\u003cli\u003eCarrying case\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"0\" style=\"width: 81%;\" height=\"733\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eMeasurement Range (Standard Mode)\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e0.7\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e–\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e500 mm on steel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eThrough-Coating Mode Range\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e3\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e–\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e50 mm on steel (through coatings up to ~5 mm)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eVelocity Range\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e500\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e–\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e18,000 m\/s\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eResolution\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e0.01 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eAccuracy\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e±(0.6% H + 0.05) mm (H = actual thickness)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eMeasurement Modes\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003eStandard \u0026amp; Through-Coating\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eUnits\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003eMetric (mm) \/ Imperial (inch) selectable\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eDisplay\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003eHigh-definition LCD\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003ePower Supply\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003eRechargeable Li-ion battery\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eBattery Life\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u0026gt;160 hrs (backlight off)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eDimensions (L×W×H)\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e145×70×32 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eMaterial Compatibility\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\" style=\"width: v%;\"\u003e\n\u003cp\u003e\u003cspan\u003eSteel, aluminum, copper, plastics, glass, composites, alloys\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eProbe Options\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003eStandard 10 mm probe, micro probes, coarse-grain and high-temp probes available\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eEnvironmental\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for shop and field use (industrial conditions)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eApplications\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd valign=\"middle\" style=\"width: 50%;\"\u003e\n\u003cp\u003e\u003cspan\u003eStructural steel inspection, marine \u0026amp; ship hull evaluation, pipelines\/pressure vessels, aerospace \u0026amp; automotive components, general manufacturing quality control\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eDownloads\u003c\/h4\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cbr\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/BT-T_Series_Through-Coating_Thickness_Gauge.pdf\" title=\"BRK BT Series Datasheet\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"PDF\" style=\"float: left;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/pdf-icon-63x63_480x480.png\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/850009-i.pdf\" target=\"_blank\"\u003e\u003cbr\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/BT-T_Series_Through-Coating_Thickness_Gauge.pdf\" title=\"BRK BT Series Datasheet\" rel=\"noopener\" target=\"_blank\"\u003eBRK BT Series Datasheet\u003c\/a\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cbr\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" title=\"BRK BT Series Users Manual\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/BT_Series_Through_Coating_Thickness_Gauge_Operation_Manual.pdf\" target=\"_blank\"\u003e\u003cimg alt=\"PDF\" style=\"float: left;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/pdf-icon-63x63_480x480.png\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/850009-i.pdf\" target=\"_blank\"\u003e\u003cbr\u003e\u003c\/a\u003e\u003ca rel=\"noopener\" title=\"BRK BT Series Users Manual\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/BT-T_Series_Through-Coating_Thickness_Gauge.pdfhttps:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/BT_Series_Through_Coating_Thickness_Gauge_Operation_Manual.pdf\" target=\"_blank\"\u003eBRK BT Series Users Manual\u003c\/a\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eComparison Chart\u003c\/h4\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-family: Arial, sans-serif;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background: #f5f5f5;\"\u003eCoating Thickness Gauges\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background: #f5f5f5;\"\u003e\u003ca rel=\"noopener\" title=\"BRK BT-T7A Through Coating Ultrasonic Thickness Gauge\" href=\"https:\/\/sperdirect.com\/collections\/brk\/products\/ctn-210b-coating-thickness-gauge-1\" target=\"_blank\"\u003eCTN-210B\u003c\/a\u003e\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background: #f5f5f5;\"\u003e\u003ca rel=\"noopener\" title=\"BRK CTN-210C Coating Thickness Gauge\" href=\"https:\/\/sperdirect.com\/collections\/brk\/products\/ctn-210c-coating-thickness-gauge\" target=\"_blank\"\u003eCTN-210C\u003c\/a\u003e\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background: #f5f5f5;\"\u003e\u003ca rel=\"noopener\" title=\"BRK CTN-300 Coating Thickness Gauge\" href=\"https:\/\/sperdirect.com\/collections\/brk\/products\/ctn-300-coating-thickness-gauge\" target=\"_blank\"\u003eCTN-300\u003c\/a\u003e\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background: #f5f5f5;\"\u003e\u003ca title=\"BRK BT-T7 Through Coating Ultrasonic Thickness Gauge\" href=\"https:\/\/sperdirect.com\/collections\/brk\/products\/through-coating-ultrasonic-thickness-gauge\"\u003eBT-T7\u003c\/a\u003e\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background: #f5f5f5;\"\u003e\u003ca rel=\"noopener\" title=\"BRK BT-T7A Through Coating Ultrasonic Thickness Gauge\" href=\"https:\/\/sperdirect.com\/collections\/brk\/products\/through-coating-ultrasonic-thickness-gauge-copy\" target=\"_blank\"\u003eBT-T7A\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: 600;\"\u003eType \/ Principle\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMagnetic induction \u0026amp; eddy current coating gauge\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMagnetic induction \u0026amp; eddy current coating gauge\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMagnetic induction \u0026amp; eddy current coating gauge, multi-probe system\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eThrough-coating ultrasonic thickness gauge\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eThrough-coating ultrasonic thickness gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: 600;\"\u003eMeasurement Range\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eProbe dependent, up to 0–10,000 μm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eProbe dependent, micron to millimeter range\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eUp to 13 mm (13,000 μm) depending on probe\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e0.7–500 mm (standard mode, steel)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e0.7–350 mm (standard mode, steel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: 600;\"\u003eThrough-Coating Capability\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMeasures coating thickness only\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMeasures coating thickness only\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMeasures coating thickness only\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMeasures substrate thickness through coatings up to 5 mm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMeasures substrate thickness through coatings up to 3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: 600;\"\u003eResolution\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e0.1–1 μm depending on probe\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e0.1–1 μm depending on probe\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eUp to 0.1 μm depending on probe\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e0.01 mm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e0.01 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: 600;\"\u003eAccuracy\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eTypically ±(2%H + 1 μm) after calibration\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eTypically ±(1%H + 1 μm) after calibration\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eProbe dependent, industrial QC grade\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e±(0.6%H + 0.05) mm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e±(0.6%H + 0.1) mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: 600;\"\u003eProbe Support\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMultiple interchangeable probes\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eInterchangeable probes\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSupports up to 13 probe types\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eStandard, micro, coarse and high-temp probes\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eStandard, micro, coarse and high-temp probes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: 600;\"\u003eData Handling\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eGroup storage with PC export\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eInternal memory with USB\/RS232 export\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eData storage with statistical functions\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eStandard thickness readout\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eStandard thickness readout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: 600;\"\u003ePower Supply\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eRechargeable lithium battery\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eRechargeable battery\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eRechargeable lithium-ion battery\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eRechargeable Li-ion battery, 160+ hrs typical\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eAA batteries, 50+ hrs typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; font-weight: 600;\"\u003ePrimary Use Case\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eIndustrial coating thickness measurement\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eAdvanced coating inspection with data functions\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eHigh-end multi-probe coating inspection\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSubstrate thickness through coatings\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eSubstrate thickness through coatings, mid-range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"BRK","offers":[{"title":"Default Title","offer_id":48792335253728,"sku":"BT-T7","price":578.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/bt-t7-through-coating-ultrasonic-thickness-gauge-bt-t7-8497015.jpg?v=1772660955"},{"product_id":"through-coating-ultrasonic-thickness-gauge-bt-t7a","title":"BT-T7A Through Coating Ultrasonic Thickness Gauge","description":"\u003ch1\u003eBRK BT-T7A Through-Coating Ultrasonic Thickness Gauge\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e\u003cspan style=\"color: #ff2a00;\"\u003eAll BRK meters and probes ship direct from the \u003cspan style=\"caret-color: rgb(255, 42, 0);\"\u003emanufacturer and\u003c\/span\u003e require 10-15 business days for shipping.\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe BRK BT-T7A is a portable ultrasonic thickness gauge designed for non-destructive measurement of base material thickness without removing surface coatings. \u003c\/strong\u003eIt accurately measures true substrate thickness through paint, fireproof coatings and corrosion layers up to 3 mm thick, reducing inspection time and eliminating unnecessary surface preparation.\u003c\/p\u003e\n\u003cp\u003eUsing advanced ultrasonic pulse-echo technology, the BT-T7A delivers dependable readings across a wide range of materials including steel, aluminum, plastics, glass and other homogeneous materials. Its rugged construction and straightforward operation make it well suited for industrial inspection, preventive maintenance and quality control applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough-Coating Measurement Mode\u003c\/strong\u003e\u003cbr\u003eMeasures base metal thickness through coatings up to 3 mm thick without removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Measurement Range\u003c\/strong\u003e\u003cbr\u003e0.7 to 350 mm in standard mode on steel. 3 to 25 mm in through-coating mode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Measurement Accuracy\u003c\/strong\u003e\u003cbr\u003eResolution of 0.01 mm with accuracy of ±(0.6%H + 0.1) mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Sound Velocity\u003c\/strong\u003e\u003cbr\u003eVelocity range from 500 to 18,000 m\/s for material calibration flexibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Units\u003c\/strong\u003e\u003cbr\u003eDisplays readings in millimeters or inches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField-Ready Design\u003c\/strong\u003e\u003cbr\u003ePowered by AA batteries for convenient operation with over 50 hours typical battery life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCorrosion monitoring in pipelines, tanks and pressure vessels\u003c\/li\u003e\n\u003cli\u003eMarine hull and ship structure inspection\u003c\/li\u003e\n\u003cli\u003eStructural steel thickness verification\u003c\/li\u003e\n\u003cli\u003eAutomotive and aerospace component inspection\u003c\/li\u003e\n\u003cli\u003eManufacturing quality control and fabrication verification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBT-T7A thickness gauge\u003c\/li\u003e\n\u003cli\u003eStandard 10 mm ultrasonic probe\u003c\/li\u003e\n\u003cli\u003eCalibration block\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCarrying case\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width: 66.666667%; border-collapse: collapse; font-family: Arial, sans-serif; height: 416px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 38px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 10px; font-weight: bold; width: 34.968017%; height: 38px;\"\u003eMeasurement Range\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 10px; height: 38px; width: 65.031983%;\"\u003e0.7~350mm (Standard mode, in steel)\u003cbr\u003e3~25mm (Through-coating mode, in steel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 38px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 10px; font-weight: bold; height: 38px; width: 34.968017%;\"\u003ePenetration Range\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 10px; height: 38px; width: 65.031983%;\"\u003eCapable of measuring through coatings up to 3mm thick\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 10px; font-weight: bold; height: 19px; width: 34.968017%;\"\u003eVelocity Range\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 10px; height: 19px; width: 65.031983%;\"\u003e500~18000 m\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 10px; font-weight: bold; height: 19px; width: 34.968017%;\"\u003eResolution\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 10px; height: 19px; width: 65.031983%;\"\u003e0.01mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 10px; font-weight: bold; height: 19px; width: 34.968017%;\"\u003eAccuracy\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 10px; height: 19px; width: 65.031983%;\"\u003e±(0.6%H + 0.1)mm; H is the actual thickness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 10px; font-weight: bold; height: 19px; width: 34.968017%;\"\u003eMeasurement Modes\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 10px; height: 19px; width: 65.031983%;\"\u003eStandard \u0026amp; Through-Coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 10px; font-weight: bold; height: 19px; width: 34.968017%;\"\u003eUnits\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 10px; height: 19px; width: 65.031983%;\"\u003eMetric or Imperial (selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 10px; font-weight: bold; height: 19px; width: 34.968017%;\"\u003ePower Supply\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 10px; height: 19px; width: 65.031983%;\"\u003eAA Batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 10px; font-weight: bold; height: 19px; width: 34.968017%;\"\u003eBattery Life\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 10px; height: 19px; width: 65.031983%;\"\u003e\u0026gt;50 hours (backlight off)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 10px; font-weight: bold; height: 19px; width: 34.968017%;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(204, 204, 204); padding: 10px; height: 19px; width: 65.031983%;\"\u003e170 × 80 × 38 mm (L × W × H)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eDownloads\u003c\/h4\u003e\n\u003cdiv\u003e\u003cstrong\u003e \u003ca rel=\"noopener\" title=\"BRK BT Series Datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/BT-T_Series_Through-Coating_Thickness_Gauge.pdf\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/pdf-icon-63x63_480x480.png\" style=\"float: left;\" alt=\"PDF\"\u003e \u003c\/a\u003e \u003ca rel=\"noopener\" title=\"BRK BT Series Datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/BT-T_Series_Through-Coating_Thickness_Gauge.pdf\" target=\"_blank\"\u003e \u003cbr\u003eBRK BT Series Datasheet\u003cbr\u003e\u003c\/a\u003e\u003ca rel=\"noopener\" title=\"BRK BT Series Datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/BT-T_Series_Through-Coating_Thickness_Gauge.pdf\" target=\"_blank\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003ca rel=\"noopener\" title=\"BRK BT Series Datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/BT-T_Series_Through-Coating_Thickness_Gauge.pdf\" target=\"_blank\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003ca rel=\"noopener\" title=\"BRK BT Series Datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/BT-T_Series_Through-Coating_Thickness_Gauge.pdf\" target=\"_blank\"\u003e\u003cbr\u003e\u003c\/a\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003ca rel=\"noopener\" title=\"BRK BT Series Users Manual\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/BT_Series_Through_Coating_Thickness_Gauge_Operation_Manual.pdf\" target=\"_blank\"\u003e\u003cimg alt=\"PDF\" style=\"float: left;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/pdf-icon-63x63_480x480.png\"\u003e\u003c\/a\u003e\u003cbr\u003e\u003ca rel=\"noopener\" title=\"BRK BT Series Users Manual\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/BT_Series_Through_Coating_Thickness_Gauge_Operation_Manual.pdf\" target=\"_blank\"\u003e\u003cstrong\u003eBRK BT Series Users Manual\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca rel=\"noopener\" title=\"BRK BT Series Datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/BT-T_Series_Through-Coating_Thickness_Gauge.pdf\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca rel=\"noopener\" title=\"BRK BT Series Datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/BT-T_Series_Through-Coating_Thickness_Gauge.pdf\" target=\"_blank\"\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cstrong\u003e\u003ca rel=\"noopener\" title=\"BRK BT Series Datasheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/BT-T_Series_Through-Coating_Thickness_Gauge.pdf\" target=\"_blank\"\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/a\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003ch4\u003eComparison Chart\u003c\/h4\u003e\n\u003ctable style=\"width: 127.45098%; border-collapse: collapse; font-family: Arial, sans-serif; height: 1043px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 57px;\"\u003e\n\u003cth style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; text-align: left; background: rgb(245, 245, 245); height: 57px; width: 14.157014%;\"\u003eCoating Thickness Gauges\u003c\/th\u003e\n\u003cth style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; text-align: left; background: rgb(245, 245, 245); height: 57px; width: 15.444015%;\"\u003e\u003ca href=\"https:\/\/sperdirect.com\/collections\/brk\/products\/ctn-210b-coating-thickness-gauge-1\" title=\"BRK BT-T7A Through Coating Ultrasonic Thickness Gauge\" rel=\"noopener\" target=\"_blank\"\u003eCTN-210B\u003c\/a\u003e\u003c\/th\u003e\n\u003cth style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; text-align: left; background: rgb(245, 245, 245); height: 57px; width: 15.444015%;\"\u003e\u003ca href=\"https:\/\/sperdirect.com\/collections\/brk\/products\/ctn-210c-coating-thickness-gauge\" title=\"BRK CTN-210C Coating Thickness Gauge\" rel=\"noopener\" target=\"_blank\"\u003eCTN-210C\u003c\/a\u003e\u003c\/th\u003e\n\u003cth style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; text-align: left; background: rgb(245, 245, 245); width: 15.444015%;\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/sperdirect.com\/products\/ctn-230-coating-thickness-gauge\" target=\"_blank\"\u003eCTN-230\u003c\/a\u003e\u003c\/th\u003e\n\u003cth style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; text-align: left; background: rgb(245, 245, 245); height: 57px; width: 15.444015%;\"\u003e\u003ca title=\"BRK CTN-300 Coating Thickness Gauge\" href=\"https:\/\/sperdirect.com\/collections\/brk\/products\/ctn-300-coating-thickness-gauge\"\u003eCTN-300\u003c\/a\u003e\u003c\/th\u003e\n\u003cth style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; text-align: left; background: rgb(245, 245, 245); height: 57px; width: 13.770914%;\"\u003e\u003ca href=\"https:\/\/sperdirect.com\/collections\/brk\/products\/through-coating-ultrasonic-thickness-gauge\" title=\"BRK BT-T7 Through Coating Ultrasonic Thickness Gauge\" rel=\"noopener\" target=\"_blank\"\u003eBT-T7\u003c\/a\u003e\u003c\/th\u003e\n\u003cth style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; text-align: left; background: rgb(245, 245, 245); height: 57px; width: 10.29601%;\"\u003e\u003ca title=\"BRK BT-T7A Through Coating Ultrasonic Thickness Gauge\" href=\"https:\/\/sperdirect.com\/collections\/brk\/products\/through-coating-ultrasonic-thickness-gauge-copy\"\u003eBT-T7A\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 114px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; font-weight: 600; height: 114px; width: 14.157014%;\"\u003eType \/ Principle\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 114px; width: 15.444015%;\"\u003eMagnetic induction \u0026amp; eddy current coating gauge\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 114px; width: 15.444015%;\"\u003eMagnetic induction \u0026amp; eddy current coating gauge\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; width: 15.444015%;\"\u003e\n\u003cp\u003eMagnetic induction \u0026amp; eddy current coating gauge.               \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 114px; width: 15.444015%;\"\u003eMagnetic induction \u0026amp; eddy current coating gauge, multi-probe system\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 114px; width: 13.770914%;\"\u003eThrough-coating ultrasonic thickness gauge\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 114px; width: 10.29601%;\"\u003eThrough-coating ultrasonic thickness gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 95px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; font-weight: 600; height: 95px; width: 14.157014%;\"\u003eMeasurement Range\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 95px; width: 15.444015%;\"\u003eProbe dependent, up to 0–10,000 μm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 95px; width: 15.444015%;\"\u003eProbe dependent, micron to millimeter range\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; width: 15.444015%;\"\u003e\n\u003cmeta charset=\"UTF-8\"\u003e \u003cspan\u003eypically up to ~1250 µm\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 95px; width: 15.444015%;\"\u003eProbe dependent, up to 13 mm (13,000 μm) depending on probe\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 95px; width: 13.770914%;\"\u003e0.7–500 mm (standard mode, steel)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 95px; width: 10.29601%;\"\u003e0.7–350 mm (standard mode, steel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 133px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; font-weight: 600; height: 133px; width: 14.157014%;\"\u003eThrough-Coating Capability\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 133px; width: 14%;\"\u003eMeasures coating thickness only\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 133px; width: 14%;\"\u003eMeasures coating thickness only\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; width: 15.444015%;\"\u003eMeasures coating thickness only\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 133px; width: 14%;\"\u003eMeasures coating thickness only\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 133px; width: 14%;\"\u003eMeasures substrate thickness through coatings up to 5 mm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 133px; width: 14%;\"\u003eMeasures substrate thickness through coatings up to 3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 57px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; font-weight: 600; height: 57px; width: 14.157014%;\"\u003eResolution\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 57px; width: 15.444015%;\"\u003e0.1–1 μm depending on probe\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 57px; width: 15.444015%;\"\u003e0.1–1 μm depending on probe\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; width: 15.444015%;\"\u003e\n\u003cmeta charset=\"UTF-8\"\u003e \u003cspan\u003eUp to 0.1 µm depending on probe\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 57px; width: 15.444015%;\"\u003eUp to 0.1 μm depending on probe\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 57px; width: 13.770914%;\"\u003e0.01 mm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 57px; width: 10.29601%;\"\u003e0.01 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 76px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; font-weight: 600; height: 76px; width: 14.157014%;\"\u003eAccuracy\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 76px; width: 15.444015%;\"\u003eTypically ±(2%H + 1 μm) after calibration\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 76px; width: 15.444015%;\"\u003eTypically ±(1%H + 1 μm) after calibration\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; width: 15.444015%;\"\u003e\n\u003cmeta charset=\"UTF-8\"\u003e \u003cspan\u003eApprox. ±(1–3%) after calibration\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 76px; width: 15.444015%;\"\u003eProbe dependent, industrial QC grade\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 76px; width: 13.770914%;\"\u003e±(0.6%H + 0.05) mm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 76px; width: 10.29601%;\"\u003e±(0.6%H + 0.1) mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 114px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; font-weight: 600; height: 114px; width: 14.157014%;\"\u003eProbe Support\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 114px; width: 15.444015%;\"\u003eMultiple interchangeable probes\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 114px; width: 15.444015%;\"\u003eMultiple interchangeable probes\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; width: 15.444015%;\"\u003eMultiple interchangeable probes\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 114px; width: 15.444015%;\"\u003eMultiple interchangeable probes\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 114px; width: 13.770914%;\"\u003eStandard, micro, coarse and high-temp probes\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 114px; width: 10.29601%;\"\u003eStandard, micro, coarse and high-temp probes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 76px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; font-weight: 600; height: 76px; width: 14.157014%;\"\u003eData Handling\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 76px; width: 15.444015%;\"\u003eGroup storage with PC export\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 76px; width: 15.444015%;\"\u003eInternal memory with USB\/RS232 export\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; width: 15.444015%;\"\u003eGroup storage with PC export\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 76px; width: 15.444015%;\"\u003eData storage with statistical functions\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 76px; width: 13.770914%;\"\u003eStandard thickness readout\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 76px; width: 10.29601%;\"\u003eStandard thickness readout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 76px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; font-weight: 600; height: 76px; width: 14.157014%;\"\u003ePower Supply\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 76px; width: 15.444015%;\"\u003eRechargeable lithium battery\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 76px; width: 15.444015%;\"\u003eRechargeable battery\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; width: 15.444015%;\"\u003eAA Batteries\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 76px; width: 15.444015%;\"\u003eRechargeable lithium-ion battery\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 76px; width: 13.770914%;\"\u003eRechargeable Li-ion battery, 160+ hrs typical\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 76px; width: 10.29601%;\"\u003eAA batteries, 50+ hrs typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 114px;\"\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; font-weight: 600; height: 114px; width: 14.157014%;\"\u003ePrimary Use Case\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 114px; width: 15.444015%;\"\u003eIndustrial coating thickness measurement\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 114px; width: 15.444015%;\"\u003eAdvanced coating inspection with data functions\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; width: 15.444015%;\"\u003eIndustrial coating thickness measurement\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 114px; width: 15.444015%;\"\u003eHigh-end multi-probe coating inspection\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 114px; width: 13.770914%;\"\u003eSubstrate thickness through coatings\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 8px; height: 114px; width: 10.29601%;\"\u003eSubstrate thickness through coatings, mid-range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"BRK","offers":[{"title":"Default Title","offer_id":48849232953568,"sku":"BT-T7A","price":456.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/bt-t7a-through-coating-ultrasonic-thickness-gauge-bt-t7a-5619694.jpg?v=1787082915"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/collections\/through-coating-thickness-gauges-4993876.jpg?v=1787165413","url":"https:\/\/sperdirect.com\/collections\/through-coating-thickness-gauges.oembed","provider":"Sper Scientific Direct","version":"1.0","type":"link"}