Measure base material thickness without removing paint, coatings or protective linings.

Through 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.

• No Coating Removal Required: Advanced pulse-echo and echo-echo measurement modes allow accurate base metal readings through intact coatings, eliminating costly and time-consuming surface prep.
• Corrosion & Wall Loss Inspection: Detect metal thinning beneath protective coatings on pipelines, storage tanks, ship hulls, and pressure vessels without disturbing the coating layer.
• Dual-Mode Operation: Many models support both standard (single echo) and through-coating (echo-to-echo) modes for maximum measurement flexibility across different applications.
• Field-Ready & Portable: Rugged, handheld designs with digital displays and interchangeable transducers suited for plant, field, and offshore inspection environments.

Ideal 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.