TM291 Handheld Non-Metal Coating Thickness Gauge

To measure the coating thickness on various metal, non-metal (glass, plastic, composite, concrete, wood, etc.) substrates

TM291 is a new type of handheld high-precision digital Non-metal coating thickness gauge with A/B scanning. It adopts the principle of ultrasonic thickness measurement based on pulse reflection. It is suitable for the measurement of material thickness that can make ultrasonic wave propagate in it at a constant speed and get the reflection from its back. The measurement resolution is 0.001mm and the measurement range is as thin as 0.02mm.It can test the thickness of the substrates and coating at the same time.

This product can be used in petroleum, chemical industry, metallurgy, shipbuilding, aerospace, energy and other fields.

Main Function Characteristics

● The measurement range is wide, with a minimum measurement thickness of coating 20um;Maxinmun thickness as 1800 mm.

● This product can measure the thickness with high precision, and the maximum measurement resolution can reach 0.001mm; The repetition resolution can reach ± 0.002mm;

● This product has A-scan mode, B-scan mode and numerical display mode;

● The coating and paint layers on some composite materials can be detected according to the different sound velocity of the materials, and the thickness of each layer of more than 10 multilayer materials can be measured simultaneously, and the thickness value of each layer can be switched under the same echo.

● It has the functions of penetrating coating and echo to echo measurement, which is used to measure materials with paint layer and coating on the surface;

● Multiple measurement modes: THIN, mb-e, E-E and AUTO modes meet the measurement of conventional thick workpieces; Thin,E-E mode realizes the measurement of thin parts;

● Numerical modes include: conventional thickness value mode, difference / reduction rate mode and maximum value mode;

● Two gain modes: automatic gain / manual gain;

● Manual shutdown and automatic shutdown can be set, with energy-saving function;

● It supports a variety of probes, including double crystal probe and single crystal probe, and supports up to 20MHz high-frequency probe;

● It supports mass storage and can store 100000 thickness values, 500 groups of A-scan waveforms and 500 groups of B-scan waveforms at the same time;

● Large 3.5-inch color TFT-LCD display with 320×240 high definition (QVGA) resolution;

● It has a variety of calibration methods, supports one-point calibration, multi-point calibration and manual calibration modes, and can calibrate sound velocity and probe zero position at the same time; It supports v-path correction of double crystal probe.

● It supports the conversion of metric and British system; It can switch between millimeter and inch units;

● It supports Chinese and English display;

Applicable Materials

To measure the coating thickness on various metal, non-metal (glass, plastic, composite, concrete, wood, etc.) substrates.

metals (such as steel, cast iron, aluminum, copper, etc.), plastics, ceramics, glass, resin, glass fiber and other good ultrasonic conductors.

Basic Principles

The principle of ultrasonic thickness measurement is similar to that of light wave measurement. The ultrasonic pulse emitted by the probe reaches the measured object and propagates in the object. When it reaches the material interface, it is reflected back to the probe. The thickness of the measured material is determined by accurately measuring the time of ultrasonic propagation in the material.

Specification Parameters

Optional Probes

TMTeck Instrument Co., Ltd.(hereafter:TMTeck) is a leading NDT manufacturers and suppliers in Beijing China and provides innovative technologies and comprehensive know-how to benefit customers in a lot of countries around the world.Till now,TMTeck has been active in the areas of technology-driven inspection solutions that deliver productivity, quality and safety.

Began from the Ultrasonic Transducers and Coating Thickness Gauge ,now TMTeck has developed more than 10 series of testing instruments, including Ultrasonic Flaw Detector, Coating Thickness Gauge,Hardness Testers,Ultrasonic Thickness Gauge ,their accessories and other NDT instruments. These products are widely used in the analysis of materials that enable our customers to monitor, control and validate their critical processes and applications,also our goods has CE certificates.

TMTeck is committed to the maintenance of long-term partnership with our clients by offering unparalleled services, technology advice and assistance. We design and produce a wide range of high performance NDT equipment and accessories. With our continued emphasis on customer focus and global competitiveness, TMTeck has always been one of the top tier of world class companies when it comes to leading in NDT equipment. And we are developing new series products according to the market demand. We can offer good guarantee for our customers.

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