SIMA AS860 Ultrasonic Thickness Gauge adopts the principle of ultrasonic measurement, which is suitable for measuring the thickness of various materials that can make ultrasonic waves propagate inside at a constant speed and can be reflected from the back. This instrument can accurately measure various plates and various processed parts. Another important aspect is that it can monitor various pipelines and pressure vessels in production equipment, and monitor their thinning degree after being corroded during use . Can be widely used in petroleum, chemical industry, metallurgy, shipbuilding, aerospace, and other fields.
The principle of ultrasonic measurement of thickness is similar to that of light wave measurement. The ultrasonic pulse emitted by the probe reaches the object to be measured and propagates in the object, and is reflected back to the probe when it reaches the interface of the material. The thickness of the material to be tested can be confirmed by accurately measuring the propagation time of the ultrasonic wave in the material .
Metal, plastic, ceramic, glass and gas are good conductors of any ultrasonic waves, as long as there are two parallel surfaces, the thickness can be measured with this instrument, such as : steel, aluminum, copper, gold, resin, water, glycerin, etc. . Cast iron is not suitable for using this instrument because of its internal crystal grains are too coarse.

① System error calibration function
② Sound velocity measurement function, which can directly measure the sound velocity , which can improve the accuracy of thickness measurement
③ Preset 1 or 2 kinds of material sound velocity, which can be adjusted and selected for convenient measurement
④Coupling status prompt, the coupling status can be known by observing its stable state
⑤ Can store 1 or 2 thickness values, and can query and delete them
⑥ Upper and lower limit thickness alarm setting function
⑦Metric and British conversion function
⑧Backlight function
⑨Battery low power indication function
⑩Automatic shutdown function.











