Coating Thickness Gauge Dor Yang 221
The coating thickness gauge is widely used in various inspection fields such as electroplating, corrosion protection, aerospace, aviation, chemical industry, automotive, shipbuilding, light industry, and commercial inspection. It is suitable for both laboratory and on-site engineering applications. With different probe configurations, it is adaptable to various scenarios, making it an essential instrument in the non-destructive testing industry.
Main Functions:
This instrument uses the eddy current measurement method to non-destructively measure the thickness of non-conductive insulating coatings on non-magnetic metal substrates (such as rubber, plastic, paint, and oxide films on aluminum, copper, zinc, and tin).
- Full Chinese menu
- Two measurement modes
- Two working modes
- Stores up to 500 measurement values
- Data deletion function
- Settable limits
- Automatic alarm for values exceeding limits
- Low battery warning
- Manual and automatic shutdown modes
Technical Specifications:
| Parameter | Specification |
|---|---|
| Model | Dor Yang 221 |
| Probe Type | N1 |
| Working Principle | Eddy Current |
| Measurement Range | 0–1250μm |
| Minimum Resolution | 0.1μm |
| Accuracy | Single-point calibration: ±(3%H+1) |
| Two-point calibration: ±[(1–3%)H+1] | |
| Test Conditions | |
| Minimum Curvature Radius (mm) | Convex 1.5, Concave 9 |
| Minimum Measurable Area (mm) | Φ7 |
| Base Material Critical Thickness (mm) | 0.5 |
| Operating Environment | |
| Temperature | 0–40℃ |
| Humidity | 20%–90% |
| Power Supply | 2 × AAA alkaline batteries (1.5V) |
| Dimensions (mm) | 150 × 55.5 × 23 (main unit) |
| Weight | F1/165g, N1/205g |
Standard Accessories:
- Main unit
- Standard test pieces
- Base material
- AAA alkaline batteries
- N1 probe
Optional Accessories:
- Multiple probe options
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