Ultrasonic Thickness Gauge for Through Coating Measurement

The through-coating ultrasonic thickness gauge measures the thickness of the substrate without being affected by the surface coating by transmitting ultrasonic waves through the material and detecting the reflected echoes. It is used for painted metals, plastic products, and other materials to directly obtain accurate thickness data of the underlying material.
Selection
When selecting, consider the coating characteristics and substrate type to ensure the instrument supports through-coating measurement mode. Verify that the measurement range matches the sample thickness, and pay attention to the probe frequency suitability for the material. Confirm that the accuracy meets the inspection standards, and ensure the operation interface is user-friendly for on-site use.

Terms

Standards

Instruments

Measurement principle using ultrasonic, Measurement range 50~ 3800μm, accuracy +/- (2μm + 3%), suitable for concrete and fiberglass substrate Coating thickness detection.

$ 2939.00

Measurement principle using ultrasonic, Measurement range 13~ 1000μm, accuracy +/- (2μm + 3%), suitable for wood, plastic and other substrates polymer Coating thickness detection.

$ 2652.00

Using ultrasonic technology nondestructive measurement, up to 3 layers of coating system measurement range 50~ 3800 μ m, error +/- 3%, with weatherproof design and high capacity Data storage function.

$ 3724.00

Using ultrasonic technology implementation nondestructive measurement, Measurement range 13~ 1000μm, accuracy +/- 3%, support multi-coating system analysis, with weatherproof protection and a variety of data transmission methods.

$ 2855.00

With penetrating coating measurement function, direct measurement of substrate thickness without sanding paints, Measurement accuracy +/- (0.5% H + 0.05) mm, support 2.3 inch color screen display and large capacity Data storage.

$ 461.00

Measurement range 2.50-125 mm, accuracy +/- 0.03mm, transparent coating measurement capability, built-in temperature compensation and high-speed scanning function.

$ 2220.00

Support multi-coating system measurement, can measure up to 3 Coating thickness, Measurement range 13~ 1000μm, error +/- (3% H + 2) μm, with 100000 data storage capacity and a variety of Data output methods.

$ 3462.00

Ultrasonic nondestructive measurement technology, support up to 3 layers of coating system analysis, Measurement range 50~ 7600 μ m, with weatherproof shell and a variety of data connection methods, to meet the needs of industrial field complex environment.

$ 3987.00

Using ultrasonic technology implementation nondestructive measurement, Measurement range 50~ 3800μm, accuracy +/- 3%, with weatherproof design, support USB data transmission and a variety of Unit switching, suitable for a variety of substrate conditions.

$ 3117.00

Using ultrasonic technology implementation nondestructive measurement, Measurement range 50~ 7600 μ m, accuracy +/- 3%, with weatherproof design and support for multi-coating system analysis, built-in statistical functions and a variety of Interface.

$ 3378.00

Using high-speed ADC data collection, resolution up to 1μm, can simultaneously measure the thickness of multi-layer coatings or coatings plus substrates, with gain automatic switching and estimated thickness setting function, Measurement range 13~ 1000μm (epoxy resin coating).

$ 1132.00

With coating penetration measurement capability, resolution up to 0.01mm, Measurement range 0.65-400 mm, support Probe automatic identification and zero calibrate, provide standard and MIN Minimum two Measurement modes.

$ 1351.00

Measurement range 13-1000μm, accuracy +/- (3% H + 2) μm, non-destructive ultrasonic technology, resistance to solvents, acids, oils, water and dust, storage of 250 readings, support for USB connection and software updates.

$ 2855.00

Measurement range 50-3800 microns, ASTM D6132 and ISO 2808 compliant, non-destructive ultrasonic technology, Sensitive Sensor and Wear Resistant Probe support for multi-Probe replacement.

$ 3117.00

Using the principle of ultrasonic thickness measurement, Display resolution up to 0.01mm, with Probe zero point Adjustment, support Data storage and backlight display, can be used in dark environment.

$ 248.00

Articles

Ultrasonic Thickness Gauge Selection: Technical Considerations for Probe Configuration and Measurement Modes
This article primarily introduces the technical factors to consider when selecting an ultrasonic thickness gauge. In terms of probe configuration, the frequency affects both resolution and penetration depth, while crystal size determines adaptability to curvature and surface conditions. Dual-element probes offer a smaller dead zone compared to single-element probes, and delay-line probes are suitable for thin-wall and high-temperature applications.
Ultrasonic thickness gauge for detecting thick coatings and composite coatings.
Ultrasonic thickness gauges measure coating thickness using the principle of ultrasonic pulse reflection, calculating the result based on the propagation time of sound waves in the material and the speed of sound. When detecting thick coatings and composite coatings, challenges such as acoustic attenuation of the material, unknown sound speed, and signal recognition at multi-layer interfaces must be addressed.
Ultrasonic Thickness Gauge Measures the Thickness of Flexible Packaging Materials
This article introduces the principles, technical points, and operational procedures for measuring the thickness of flexible packaging materials using an ultrasonic thickness gauge. It is based on the principle of ultrasonic pulse reflection, which calculates thickness by measuring the propagation time of sound waves through the material.
Salt spray test chamber evaluates the protective performance of powder coatings
The salt spray test chamber accelerates the evaluation of the corrosion resistance of powder coatings by simulating a salty and humid environment. The test is based on electrochemical principles, where salt spray penetrates coating defects and initiates corrosion of the metal substrate. During operation, parameters such as temperature and sedimentation rate must be strictly controlled, and standards such as ISO and ASTM must be followed.