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![SW7 ultrasonic thickness gauge - 1](https://img.directindustry.com/pdf/repository_di/4567549/sw7-ultrasonic-thickness-gauge-1074758_1m.jpg)
SW7 Ultrasonic Thickness Gauge SW7 is a high-precision ultrasonic thickness gauge independently developed by Qingcheng AE Institute, which can be used to measure thickness through the coating on the workpiece surface. The thickness of the workpiece can be measured quickly and accurately only by placing the probe on the contact surface on one side of the workpiece. And it is convenient to measure the workpiece coated with paint or anticorrosive material. SW7 can be used to measure thickness through the coating on the workpiece surface, through the coating range extended to more than 50 mm; It is suitable for thickness measurement of almost all materials, such as metal, glass, plastic, rubber, and other materials. High measuring accuracy, large measuring range; Suitable for pipe thickness measurement. A variety of probes are available, suitable for special thickness measurement applications, including coarse grain materials such as gray cast iron and high temperature environment measurement (temperature up to 300 ℃ ) applications. Probe self-adaptive functions: automatic matching different manufacturers of various types of probes, including identifying the sensitivity and frequency of probe, automatic adjusting the thickness gauge parameter Settings, to reach the best measuring effect. Power-on self-check function, which help to improve the measurement accuracy. Automatic shutdown time can be set up according to user's needs. Probe zero automatic calibration, sound velocity calibration function. Built-in 9 kinds of materials of sound velocity, and convenient to fast measurement. Various measurement modes: standard measurement mode, though-coating mode, scanning mode, differential measurement mode, the average measurement mode, extremum alarm mode, high temperature measurement model (with high temperature probe). Humanized design of keyboard button, simple and convenient: zero calibration, single point and two points calibration sound velocity. High-capacity data storage, data storage capacity of up to 2000 groups. USB data transmission interface, easy implementation and computer data connected to export data (data format. TXT). Metric/inch optional: display unit can choose between mm and inches. Thickness measuring range ⚫
Open the catalog to page 1![SW7 ultrasonic thickness gauge - 2](https://img.directindustry.com/pdf/repository_di/4567549/sw7-ultrasonic-thickness-gauge-1074758_2m.jpg)
Note: The thickness measurement range for different materials depends on the performance of the probe as well as the material surface condition and the ambient temperature measured. Optional probe Probe type Measuring range diameter Standard type (suitable for coating workpiece) Small-diameter type Standard type Micro-diameter type High precision type High temperature type Special cast iron type Technical parameters Sound velocity Measurement accuracy ±(0.5%H+0.05) mm (H means the thickness of the testing workpiece) Display precision Receive bandwidth Lower limit of steel pipe measurement:...
Open the catalog to page 2![SW7 ultrasonic thickness gauge - 3](https://img.directindustry.com/pdf/repository_di/4567549/sw7-ultrasonic-thickness-gauge-1074758_3m.jpg)
The principle of the ultrasonic thickness gauge is to generate ultrasonic pulses through the probe. The pulse enters the workpiece from the contact surface of the probe and the workpiece, propagates in the workpiece along the thickness direction, and reflects on the other surface of the workpiece. By measuring the total time (t) of the ultrasonic pulse propagating in the workpiece and the velocity (v) of the ultrasonic pulse, we can obtain the relationship between the thickness (H) of the workpiece with the time (t) and velocity (v): H =vt/2 Where: H - Thickness of the test workpiece. v -...
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