| BRAND | Vaisala |
| Product | GMD20 |
| Description | Transmitter |
| Internal code | IMP3993624 |
| Technical specification | Transmitter for HVAC, Duct Model for DCV Measurement parameter(s) Carbon dioxide Measurement range 0 ... 2000 ppm Measurement accuracy ± (2 % of range + 2 % of reading) Operating temperature -5 ... +45 °C (+23 ... +113 °F) Operating voltage 18 ... 30 VDC, 24 VAC Analog outputs 0 ... 20 mA 4 ... 20 mA 0 ... 10 V Housing classification IP65 (NEMA 4) |
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