HDK-Series
HDK transmitters are designed for measuring and controlling carbon dioxide concentration and temperature inside ventilation ducts. The transmitter information can be used for demand based ventilation control, for example.
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| Power supply | 24 Vac/dc, < 2 VA |
|---|---|
| Time constant | < 2 min |
| CO₂ measurement range | 0...2000 ppm |
| CO₂ measurement accuracy | typ. ±40 ppm +3 % of value |
| Temperature measurement range | 0...50 °C |
| Temperature measurement accuracy | ±0.5 °C |
| CO₂ output | 0...10 Vdc, 2 mA |
| Temperature output | 0...10 Vdc, 2 mA |
| IP protection class | IP54 |
| Ambient temperature | 0...50 °C |
| Ambient humidity | 0...85 %rH |
| Product dimensions (w x h x d) | 105 x 104 x 155 mm |
| Mounting | in a Ø 10 mm hole, with screws, external lugs |
| Materials | PC plastic |
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