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| Product Name | DongRu DR81 Transmittance Meter | DongRu DR82 Transmittance Meter |
| Product Price | $344.00 | In coming |
| Details | Details | |
| Model comparison | ||
| Principle | Broadband Type | Broadband Type |
| Wavelength Type | Visible Light | |
| Optical Path | ||
| Transmission Type | Direct Transmission | |
| Product Form | Separate Probe | Separate Probe |
| Sample Thickness | 10-50mm | ≤10mm |
| Min Aperture | ||
| Parameter comparison | ||
| measurement Range | 0.0—99.9% | |
| measurement accuracy | ≤2% | |
| resolution | 0.1% | 0.1% |
| Film thickness | Can not exceed 18mm. | |
| Measurement of object area | Not less than 10mm * 10mm | Not less than 30 * 30mm |
| Ambient Temperature | 0℃-40℃ | 0℃-40℃ |
| relative humidity | No more than 85% | No more than 85% |
| Host dimensions | 130*70*24mm | |
| Probe dimensions | Φ38*118mm | |
| power supply | Three (7) alkaline batteries | Three (7) alkaline batteries |
