
Light Transmission Meters
DR81
DONGRU DR81 Light Transmittance Meter
For visible-light transmittance checks on compatible transparent or translucent samples.
Request technical guidanceProduct family / DR81
Where it fits
Glass, acrylic sheet and film inspection.
Confirm your material, measuring method and application before selecting an instrument.
Model / DR81
Technical specifications
Values come from one shared product record; confirm suitability for your measurement task.
| Product code | DR-LT-DR81 |
|---|---|
| Measurement method | optical (visible light) |
| Measuring range | 0.0—99.9% |
| Accuracy | ±2 |
| Resolution | 0.1% |
| Minimum measurement area | 12×12mm |
| Probe / optics | 380-780nm |
| Power supply | three AAA alkaline batteries |
| Dimensions / weight | 129×70×25.5mm / approx. 340g(including probe and battery) |
| Operating environment | 0℃-40℃, ≤85%RH |
DR81
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