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Ultrasonic thickness gauge tips
Oct 08, 2018

Ultrasonic thickness gauge tips

Let's take a look at the following small series, the use of ultrasonic thickness gauges

1, the general measurement method:

(1) Perform the thickness measurement twice with the probe at one point. In the two measurements, the split faces of the probes should be 90° each other, and the smaller value is the thickness of the workpiece to be tested.

(2) 30mm multi-point measurement method: When the measured value is unstable, a plurality of measurements are made in a circle having a diameter of about 30 mm centering on one measurement point, and the small value of zui is taken as the thickness value of the workpiece to be tested.

2, accurate measurement method:

The number of measurements is increased around the specified measurement point, and the thickness change is indicated by an equal thickness line.

3. Continuous measurement method:

Continuous measurement along a specified route using a single point measurement with an interval of no more than 5 mm.

4, grid measurement method:

Mark the grid in the specified area and record the thickness by point. This method is widely used in corrosion monitoring of high pressure equipment and stainless steel lining.

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