Dor Yang 250 Coating Thickness Gauge
- The Dor Yang 250 Coating Thickness Gauge is an integrated magnetic portable coating thickness gauge. It allows for quick, non-destructive, and precise measurement of coating and plating thickness. It is suitable for both laboratory and on-site engineering applications.
- Widely used in manufacturing, metal processing, chemical industries, commercial inspection, and other testing fields, it is a professional instrument for material protection.
- Features an automatic shutdown function.
Functions & Features
The Dor Yang 250 uses the magnetic induction thickness measurement method. It can non-destructively measure the thickness of non-magnetic coatings (such as zinc, aluminum, chromium, copper, rubber, and paint) on magnetic metal substrates (such as steel, iron, and alloys).
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | Dor Yang 250 |
| Probe Type | F1 |
| Operating Principle | Magnetic Induction |
| Measurement Range | 0~1250μm |
| Minimum Resolution | 1μm |
| Measurement Accuracy | Single-Point Calibration: ±(3%H+1) Two-Point Calibration: ±[(1~3%)H+1] |
| Testing Conditions | |
| Minimum Curvature Radius (mm) | Convex: 5, Concave: 10 |
| Minimum Measurement Area Diameter (mm) | Φ10 |
| Basic Critical Thickness (mm) | 0.3 |
| Operating Environment | |
| Temperature | 0~40℃ |
| Humidity | 20%~90% |
| Power Supply | 4 × AAA Alkaline Batteries (1.5V) |
| Dimensions | 150×55.5×23mm (Main Unit) |
| Weight | 120g |
| Standard Accessories | Main Unit, Standard Test Foils, Substrate, AAA Alkaline Batteries |





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