The duct air quality transmitters QDT-series is used to determine the air quality, based on a mixed gas sensor (VOC sensor).
The duct air quality transmitters QDT-series is designed to measure the air quality in offices, hotels, meeting rooms, convention centres,schools, airports, apartments, stores, restaurants etc.
Probe lenght for the duct air quality transmitters QDT-series is 190 mm and is supplied including mounting flange to fix penetration dept.
The duct air quality transmitters QDT-series have IP 65 protection on the housing/enclosure.
- 0-10 Vdc or 4-20 mA or 0-20 mA output (selectable)
- Change-over contact for QDT S
- Display for QDT D
0-10 Vdc: 0 Vdc = clean air, 10 Vdc = polluted air
4-20 mA: 4 mA = clean air, 20 mA = polluted air
0-20 mA: 0 mA = clean air, 20 mA = polluted air
Display show air quality in procent (0% to 100%)
0% is clean air
100% is polluted air
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