SIEMENS QFM21... Wind Tube Type sensor Manual

Update: 30 September, 2023

The QFM21 duct sensors are designed for measuring relative humidity and temperature. They are powered by AC 24 V or DC 13.5.35 V and feature DC 0.10 V/ 4…20 mA signal output for relative humidity and DC 0.10 V/ 4…20 mA or T1 or LG-Ni 1000 output for temperature. The measuring accuracy is ±3 % relative humidity within the comfort range.

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File format: PDF

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MD5 Checksum: F433B74FB9E1A993CA8A948FEE49A6AF

Publication date: 29 September, 2011

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PDF Link: SIEMENS QFM21... Wind Tube Type sensor Manual PDF