User Manual

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Siemens Building Technologies Duct sensor QFM66/C CM1N1863E
HVAC Products 05.05.2003
Technical data
Range of use 0...100 % r. h.
Measuring accuracy at 20 °C
In the range 0...90 % r.h. ±2 %
In the range 90...100 % r.h. ±3 %
Temperature dependency
In the range −10...+50 °C ≤0,05 % r. h./ K
Reduction of the humidity measuring range
At temp. above 60 °C at sensor head see illustration in margin
Time constant t
90
approx. 20 s
Range of use −35...+50 °C
Measuring accuracy at 20 °C ±0.5 K
Sensing element Pt1000 Class A
Time constant t
63
approx. 20 s
Operating voltage (SELV) AC 24 V ±20 %
Frequency 50/60 Hz
Power consumption ≤1 VA
Service life 10 years
Humidity signal (terminal B1) DC 0...10 V
0...100 % r. h.,
±1 mA max.
Temperature signal (terminal B2) DC 0...10 V
0...50 °C,
±1 mA max.
Temperature signal (terminal B3) DC 0...10 V
−35...+3 5 °C,
±1 mA max.
Copper cable
0.6 mm dia. 50 m
1 mm
2
150 m
1.5 mm
2
300 m
Connection terminals for 2 × 1.5 mm
2
max.
Rundsteckverbinder mit Kabelverschraubung Pg 11
Housing protection IP 65 to IEC 529
Protection class III to EN 60 730
Operation to IEC 721-3-3
Climatic conditions class 3K5
Temperature
Housing with electronics −20...+60 °C
Sensor head −40...+80 °C
Humidity 0...100 % r. h
Transportation to IEC 721-3-2
Climatic conditions class 2K3
Temperature −25...+70 °C
Humidity <95 % r. h.
Mechanical ambient conditions class 2M2
Housing base polycarbonat, RAL 7001
(silver-grey)
Housing cover polycarbonat, RAL 7035
(light-grey)
Sensor pipe polycarbonat, RAL 7001
(silver-grey)
Sensor head polycarbonat, RAL 5014
Mounting flange polycarbonat, RAL 7001
(silver-grey)
Sensor (entirely) silicon-free
Packaging corrugated board
Humidity sensor
- 40
100
40
[°C]
J
JJ
J
+ 60 + 80
r. h.
[%]
1863D01E
Temperature sensor
.
.
.
General data
Supply
Functional data
Output signals
Perm. line lengths
.
.
.
Electric connection
Prodective data
Environmental conditions
Material and colors