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D-R 220 dust and opacity measuring instrumentMeasured variables | | Measuring ranges | | | 0 ... 25/50/100 % | | 0 ... 0.2/0.4 ... 1.6 | | - 0 ... 160 mg/m3
- 0 ... 4000 mg/m3
| Measuring principle | Transmission | Sample gas temperature | Above dew point up to 200 °C, optional up to 500 °C | Sample gas pressure | -50 ... +10 hPa, optionally higher | Channel diameter | 0.4 ... 10 m | Ambient temperature | -20 ... +50 °C | Degree of protection | IP65 | Measured value output | 0/4 ... 20 mA, 400 ? | Digital outputs | 2 relay outputs, 30 VA, max. 48 V/0.5 A | Digital inputs | None | Accuracy | < 2% of the measuring range | Detection limit | < 2% of the measuring range | Supply voltage | 24 V DC, 0.4 A from supply unit | Dimensions (H x W x D) measuring head | 160 x 150 x 314 mm | Weight | | | 2.7 kg | | 1.6 kg | Supply box | | Purge air supply | From the supply box | Supply voltage | 85 ... 264 V AC, 46 ... 63 Hz, 50 VA | Dimensions (H x W x D) | 210 x 300 x 380 mm | Weight | 13 kg | Degree of protection | IP65 |
1) With reference to 1 m of path length after gravimetric calibration
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