Coating Thickness Gauges
DR370B
DONGRU DR370B Oxide Layer Thickness Gauge
For thin oxide-layer and coating checks on compatible non-ferrous metal surfaces.
Request technical guidanceProduct family / DR370B
Where it fits
Aluminium and copper surface-treatment inspection.
Confirm your material, measuring method and application before selecting an instrument.
Model / DR370B
Technical specifications
Values come from one shared product record; confirm suitability for your measurement task.
| Product code | DR-CT-DR370B |
|---|---|
| Measurement method | eddy current (digital oscillation) |
| Measuring range | 0-500μm |
| Accuracy | ±2%H+1.5μm |
| Resolution | 0.1μm/1μm |
| Minimum substrate thickness | 0.1mm |
| Minimum measurement area | Φ12mm |
| Minimum curvature | convex 5mm;concave 25mm |
| Power supply | 3.7V lithium battery（3000mAH） |
| Dimensions / weight | 141×69×27mm / 210g |
| Operating environment | -10℃-60℃, 20%-90%RH |
DR370B
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