BT-T7A Through Coating Ultrasonic Thickness Gauge
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BRK BT-T7A Through-Coating Ultrasonic Thickness Gauge
All BRK meters and probes ship direct from the manufacturer and require 10-15 business days for shipping.
The BRK BT-T7A is a portable ultrasonic thickness gauge designed for non-destructive measurement of base material thickness without removing surface coatings. It 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.
Using 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.
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Through-Coating Measurement Mode
Measures base metal thickness through coatings up to 3 mm thick without removal. -
Wide Measurement Range
0.7 to 350 mm in standard mode on steel. 3 to 25 mm in through-coating mode. -
High Measurement Accuracy
Resolution of 0.01 mm with accuracy of ±(0.6%H + 0.1) mm. -
Adjustable Sound Velocity
Velocity range from 500 to 18,000 m/s for material calibration flexibility. -
Selectable Units
Displays readings in millimeters or inches. -
Field-Ready Design
Powered by AA batteries for convenient operation with over 50 hours typical battery life.
Typical Applications
- Corrosion monitoring in pipelines, tanks and pressure vessels
- Marine hull and ship structure inspection
- Structural steel thickness verification
- Automotive and aerospace component inspection
- Manufacturing quality control and fabrication verification
What’s Included
- BT-T7A thickness gauge
- Standard 10 mm ultrasonic probe
- Calibration block
- Carrying case
- User manual
Specifications
| Measurement Range | 0.7~350mm (Standard mode, in steel) 3~25mm (Through-coating mode, in steel) |
| Penetration Range | Capable of measuring through coatings up to 3mm thick |
| Velocity Range | 500~18000 m/s |
| Resolution | 0.01mm |
| Accuracy | ±(0.6%H + 0.1)mm; H is the actual thickness |
| Measurement Modes | Standard & Through-Coating |
| Units | Metric or Imperial (selectable) |
| Power Supply | AA Batteries |
| Battery Life | >50 hours (backlight off) |
| Dimensions | 170 × 80 × 38 mm (L × W × H) |
Downloads
Comparison Chart
| Coating Thickness Gauges | CTN-210B | CTN-210C | CTN-230 | CTN-300 | BT-T7 | BT-T7A |
|---|---|---|---|---|---|---|
| Type / Principle | Magnetic induction & eddy current coating gauge | Magnetic induction & eddy current coating gauge |
Magnetic induction & eddy current coating gauge. |
Magnetic induction & eddy current coating gauge, multi-probe system | Through-coating ultrasonic thickness gauge | Through-coating ultrasonic thickness gauge |
| Measurement Range | Probe dependent, up to 0–10,000 μm | Probe dependent, micron to millimeter range | ypically up to ~1250 µm | Probe dependent, up to 13 mm (13,000 μm) depending on probe | 0.7–500 mm (standard mode, steel) | 0.7–350 mm (standard mode, steel) |
| Through-Coating Capability | Measures coating thickness only | Measures coating thickness only | Measures coating thickness only | Measures coating thickness only | Measures substrate thickness through coatings up to 5 mm | Measures substrate thickness through coatings up to 3 mm |
| Resolution | 0.1–1 μm depending on probe | 0.1–1 μm depending on probe | Up to 0.1 µm depending on probe | Up to 0.1 μm depending on probe | 0.01 mm | 0.01 mm |
| Accuracy | Typically ±(2%H + 1 μm) after calibration | Typically ±(1%H + 1 μm) after calibration | Approx. ±(1–3%) after calibration | Probe dependent, industrial QC grade | ±(0.6%H + 0.05) mm | ±(0.6%H + 0.1) mm |
| Probe Support | Multiple interchangeable probes | Multiple interchangeable probes | Multiple interchangeable probes | Multiple interchangeable probes | Standard, micro, coarse and high-temp probes | Standard, micro, coarse and high-temp probes |
| Data Handling | Group storage with PC export | Internal memory with USB/RS232 export | Group storage with PC export | Data storage with statistical functions | Standard thickness readout | Standard thickness readout |
| Power Supply | Rechargeable lithium battery | Rechargeable battery | AA Batteries | Rechargeable lithium-ion battery | Rechargeable Li-ion battery, 160+ hrs typical | AA batteries, 50+ hrs typical |
| Primary Use Case | Industrial coating thickness measurement | Advanced coating inspection with data functions | Industrial coating thickness measurement | High-end multi-probe coating inspection | Substrate thickness through coatings | Substrate thickness through coatings, mid-range |
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Product Information
Product Information
BRK BT-T7A Through-Coating Ultrasonic Thickness Gauge
All BRK meters and probes ship direct from the manufacturer and require 10-15 business days for shipping.
The BRK BT-T7A is a portable ultrasonic thickness gauge designed for non-destructive measurement of base material thickness without removing surface coatings. It 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.
Using 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.
-
Through-Coating Measurement Mode
Measures base metal thickness through coatings up to 3 mm thick without removal. -
Wide Measurement Range
0.7 to 350 mm in standard mode on steel. 3 to 25 mm in through-coating mode. -
High Measurement Accuracy
Resolution of 0.01 mm with accuracy of ±(0.6%H + 0.1) mm. -
Adjustable Sound Velocity
Velocity range from 500 to 18,000 m/s for material calibration flexibility. -
Selectable Units
Displays readings in millimeters or inches. -
Field-Ready Design
Powered by AA batteries for convenient operation with over 50 hours typical battery life.
Typical Applications
- Corrosion monitoring in pipelines, tanks and pressure vessels
- Marine hull and ship structure inspection
- Structural steel thickness verification
- Automotive and aerospace component inspection
- Manufacturing quality control and fabrication verification
What’s Included
- BT-T7A thickness gauge
- Standard 10 mm ultrasonic probe
- Calibration block
- Carrying case
- User manual
Specifications
| Measurement Range | 0.7~350mm (Standard mode, in steel) 3~25mm (Through-coating mode, in steel) |
| Penetration Range | Capable of measuring through coatings up to 3mm thick |
| Velocity Range | 500~18000 m/s |
| Resolution | 0.01mm |
| Accuracy | ±(0.6%H + 0.1)mm; H is the actual thickness |
| Measurement Modes | Standard & Through-Coating |
| Units | Metric or Imperial (selectable) |
| Power Supply | AA Batteries |
| Battery Life | >50 hours (backlight off) |
| Dimensions | 170 × 80 × 38 mm (L × W × H) |
Downloads
Comparison Chart
| Coating Thickness Gauges | CTN-210B | CTN-210C | CTN-230 | CTN-300 | BT-T7 | BT-T7A |
|---|---|---|---|---|---|---|
| Type / Principle | Magnetic induction & eddy current coating gauge | Magnetic induction & eddy current coating gauge |
Magnetic induction & eddy current coating gauge. |
Magnetic induction & eddy current coating gauge, multi-probe system | Through-coating ultrasonic thickness gauge | Through-coating ultrasonic thickness gauge |
| Measurement Range | Probe dependent, up to 0–10,000 μm | Probe dependent, micron to millimeter range | ypically up to ~1250 µm | Probe dependent, up to 13 mm (13,000 μm) depending on probe | 0.7–500 mm (standard mode, steel) | 0.7–350 mm (standard mode, steel) |
| Through-Coating Capability | Measures coating thickness only | Measures coating thickness only | Measures coating thickness only | Measures coating thickness only | Measures substrate thickness through coatings up to 5 mm | Measures substrate thickness through coatings up to 3 mm |
| Resolution | 0.1–1 μm depending on probe | 0.1–1 μm depending on probe | Up to 0.1 µm depending on probe | Up to 0.1 μm depending on probe | 0.01 mm | 0.01 mm |
| Accuracy | Typically ±(2%H + 1 μm) after calibration | Typically ±(1%H + 1 μm) after calibration | Approx. ±(1–3%) after calibration | Probe dependent, industrial QC grade | ±(0.6%H + 0.05) mm | ±(0.6%H + 0.1) mm |
| Probe Support | Multiple interchangeable probes | Multiple interchangeable probes | Multiple interchangeable probes | Multiple interchangeable probes | Standard, micro, coarse and high-temp probes | Standard, micro, coarse and high-temp probes |
| Data Handling | Group storage with PC export | Internal memory with USB/RS232 export | Group storage with PC export | Data storage with statistical functions | Standard thickness readout | Standard thickness readout |
| Power Supply | Rechargeable lithium battery | Rechargeable battery | AA Batteries | Rechargeable lithium-ion battery | Rechargeable Li-ion battery, 160+ hrs typical | AA batteries, 50+ hrs typical |
| Primary Use Case | Industrial coating thickness measurement | Advanced coating inspection with data functions | Industrial coating thickness measurement | High-end multi-probe coating inspection | Substrate thickness through coatings | Substrate thickness through coatings, mid-range |
Description
Description
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Product Category: Outils de mesure et détecteurs
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