Light Transmission Meters
DR82B
DONGRU DR82B Blue-Light Transmittance Tester
For optical-transmission checks relevant to lenses and blue-light-filtering materials.
Request technical guidanceProduct family / DR82B
Where it fits
Eyewear lenses and blue-light-filtering samples.
Confirm your material, measuring method and application before selecting an instrument.
Model / DR82B
Technical specifications
Values come from one shared product record; confirm suitability for your measurement task.
| Product code | DR-LT-DR82B |
|---|---|
| Measurement method | optical (three-in-one path) |
| Measuring range | 0-100% |
| Accuracy | ±2% |
| Resolution | 0.1% |
| Minimum measurement area | 1.3mm |
| Probe / optics | 380-760nm, 430nm, 395nm |
| Power supply | DC-5V |
| Dimensions / weight | 200×200×167mm / approx. 1900g |
| Operating environment | 0℃-50℃, 20%-90%RH |
DR82B
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