Coating Thickness Gauges
DR330
DONGRU DR330 Dual-Mode Coating Thickness Gauge
For coating-thickness checks on compatible ferrous and non-ferrous metal surfaces.
Request technical guidanceProduct family / DR330
Where it fits
Industrial coating, metal fabrication and manufacturing quality control.
Confirm your material, measuring method and application before selecting an instrument.
Model / DR330
Technical specifications
Values come from one shared product record; confirm suitability for your measurement task.
| Product code | DR-CT-DR330 |
|---|---|
| Measurement method | magnetic + eddy current |
| Measuring range | 0-2000μm |
| Accuracy | ±(2%H+1.5μm) |
| Resolution | 0.1μm/1μm |
| Minimum substrate thickness | 0.3mm |
| Minimum measurement area | 18×15mm |
| Minimum curvature | convex 5mm;concave 25mm |
| Power supply | 4.5VDC(three AAA alkaline batteries) |
| Dimensions / weight | 126×64×28mm / 106g（excluding battery） |
| Operating environment | 0℃-60℃, 20%-90%RH |
DR330
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