Data Sheet for Product

8/12
Siemens Duct air quality sensors QPM11.., QPM21.. CE1N1962en
Smart Infrastructure 2020-03-03
· The sensor must not be mounted in ventilation plant on top of a building (impact of
solar radiation)! To ensure correct operation, the sensor’s ambient temperature must
lie in the range of –5…+45 °C
Mounting Instructions are enclosed in the package.
Commissioning notes
The sensor’s functions can be checked 30 minutes after applying power:
· In well ventilated rooms, the sensor shows the CO
2
concentration of the outside air.
Typically, this is 360 ppm (the sensor’s measuring accuracy must be considered). Al-
so, a basic functional check can be made by exhaling on the sensor. In that case, it
must be taken into account that the sensor’s rate of response has been purposely de-
layed (time constant t
63
= 5 min)
· Touch the sensor with a cotton ball dowsed in alcohol (e.g. gas from a cigarette light-
er, without lighting a flame)
Ventilation should start when the preset switching level of the connected controller is
reached.
Disposal
The device is considered electrical and electronic equipment for disposal in terms of the
applicable European Directive and may not be disposed of as domestic garbage.
· Dispose of the device via the channels provided for this purpose.
· Comply with all local and currently applicable laws and regulations.
Technical data
Operating voltage AC 24 V ± 20 % or DC15…35 V (SELV)
or
AC/DC 24 V class 2 (US)
Frequency 50/60 Hz at AC 24 V
External supply line protection (EU) Fuse slow max. 10 A
or
Circuit breaker max. 13 A
Characteristic B, C, D according to
or
Power source with current limitation of max. 10 A
Power consumption
QPM1100
QPM2100, QPM2180, QPM2160, QPM2160D
QPM2102, QPM2102D
QPM2162, QPM2162D
At "U" output signal
Max. <1.6 VA
Max. <0.9 VA
Max. <1.8 VA
Max. <0.9 VA
"I" output signal
Max. <3.5 VA
Max. <3.2 VA
Max. <3.9 VA
Max. <3.4 VA
Perm. cable lengths Refer to Data Sheet of the device
handling the signal
Measuring range 0...2000 ppm
Measuring accuracy
at 23 °C and 1013 hPa
£±(50 ppm + 2 % of measured value)
Temperature dependency
in the range of -5…45 °C ±2 ppm / °C (typically)
Long-time drift £±5% of measuring range / 5 years (typically)
Time constant t
63
<5 min
Output signal, linear (terminal X1) DC 0...10 V 0...2000 ppm,
max. ± 1 mA
4...20 mA 0...2000 ppm, max. 500 Ohm
Recalibration-free 8 years
Measuring range 0…100% VOC
Time constant t
63
VOC (CO
2
see above) <13 min (R1), <3.5 min (R2), <1 min (R3)
Mounting instructions
Checking the
CO
2
fun
c
tion
Checking the
VOC function
Power supply
Cable lengths for
measuring signal
Functional data "CO
2
"
Functional data "VOC"