FRU Portable Metal Coating Thickness Meter For Coating Inspection
Overview
This device is a portable meter. It is capable of measuring coating thickness quickly, precisely and without injury, both for the laboratory and engineering environment. It is currently widely used in manufacturing, metal processing industry, chemical industry, commodity inspection and testing fields; and is essential for material protection major.
This device meets the following criteria:
GB/T 4956─1985 non-magnetic coating thickness measurement on magnetic metal substrate, Magnetic Method
GB/T 4957─1985 non-conductive coating thickness measurement on non-magnetic metal substrate, Eddy Current Method
JB/T 8393-1996 Magnetic&Eddy Current coating thickness measurement
Features:
- Thickness measurement using both Magnetic Method to measure the non-magnetic coating on a magnetic metal substrate and Eddy Current Method to measure the non-conductive coating on a non-magnetic metal substrate.Single-point or two-point method could be used to correct probe system deviation, in order to ensure the accuracy of the device in the process of measuring.Automatic identify ferrous and non-ferrous substrate quickly.Power voltage indicator.Speaker beep while operating.
6.Power-off automatically when idle; manually power-off available.
7.Negative display function to ensure the accuracy of zero point calibration.
8.Showing average, max, min value
Calibration methods:
This device has three calibration methods: zero calibration, two-point calibration and calibration on sandblast surfaces. There is also a basic calibration for the probe. The calibration methods are very easy to use.
1. Zero calibration
a) Measure on a substrate, screen shows <*.* μm>.
b) Press ZERO key, screen shows <0.0>.
c) Calibration was already finished, and further measurement can be proceed; however, repeating a & b can get a more precise zero point. Note that this device has negative number display for user to choose zero point easily.
2. Two-point calibration
This calibration method is suitable for high-precision and small pieces, hardened steel, alloy steel measurement.
a) Zero calib first (as described above).
b) Measure on a standard film with coating approximately equal to pieces to be measured, and screen shows <*.* μm>
c) Use ( and ( key to correct reading to reach the standard value. Calibration is now complete, and you can start measuring.
Note: Press the ( or ( key once will increase/decrease the reading step by step; press & hold a key will change the value continuously.
Technical Data:
| |
WH81 |
WH82 |
| Measurement method |
Magnetic Method
(magnetic substrate) |
Magnetic Method (magnetic substrate) + Eddy Current Method(Non-magnetic substrate) |
| Measuring range |
0-1250μm |
| Power supply |
2 * AA batteries |
| Measurement deviation |
zero calibration ± (1 + 3% H); two-point calibration ± [(1% ~ 3% H)] H + 1.5 |
| Ambient temperature |
0-40 ºC |
| Relative humidity |
≤85% |
| Minimum substrate |
10 * 10mm |
| Minimum curvature |
5mm convex; 5mm concave |
| Thinnest substrate |
0.4mm |
| Size |
110mm * 65mm * 30mm |
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