Siemens QFA2000 User Manual

Use

Type summary

Type Temperature
reference measuring range
QFA2000 None
QFA2020 0...50 °C
QFA2040 0...50 °C
0...50 °C / − 35...+ 3 5 °C
QFA2060
CE1N1857en
06.06.2005
Room Sensors
for relative humidity and temperature
• Operating voltage AC 24 V or DC 13.5...35 V
• Signal output DC 0...10 V for relative humidity
• Signal output DC 0...10 V or LG-Ni 1000 or T1 for temperature
• Accuracy of ± 3 % r.h. within comfort range
• Range of use −15...+50 °C / 0...95 % r. h. (non-condensing)
In ventilating and air conditioning plants to acquire
• relative humidity and
• temperature
in rooms.
The QFA20... is used as a
• control sensor and
• measuring sensor for building automation and control systems or indicating units.
Temperature
signal output
None
Passive, LG-Ni 1000
Passive, T1
Active, DC 0...10 V
Humidity Humidity
measuring range signal output
0...100 % Active, DC 0...10 V
0...100 % Active, DC 0...10 V
0...100 % Active, DC 0...10 V
0...100 % Active, DC 0...10 V
Siemens Building Technologies
1
857
QFA20...
Operating voltage
AC 24 V or DC 13.5...35 V
AC 24 V or DC 13.5...35 V
AC 24 V or DC 13.5...35 V
AC 24 V or DC 13.5...35 V
HVAC Products
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