Data Sheet for Product

8/10
Siem ens Indoor air quality sensors QPA10.., QPA20.. CE1N1961en
Building Technologies 2018-05-01
Technical data
Operating voltage AC 24 V ± 20 % oder 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
QPA1000
QPA2000, QPA 2080, QPA2080D, QPA2060, QPA2060D
QPA2002, QPA2002D
QPA2062, QPA2062D
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 See 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 (typi-
cally)
Time constant t
63
< 5 min
Output signal, linear (terminal X1) DC 0...10 V or DC 0...5 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)
Output signal, linear (terminal X1) DC 0...10 V or DC 0...5 V 0...100%,
max. ± 1 mA
4...20 mA 0...100 %, max. 500 Ohm
Output signal, linear (terminal X2) DC 0...10 V or DC 0...5 V max.
of 0...2000 ppm, CO
2
or 0…100% VOC,
max. ± 1 mA
4...20 mA max. von 0...2000 ppm CO
2
oder 0...100 % VOC, max. 500 Ohm
Range of use 0...95 % r.h. (non-condensing)
Measuring range 0…100 % r.h.
Measuring accuracy at 23 °C and DC 24 V
0…95 % r.h.
30…70 % r.h.
± 5 % r.h.
± 3 % r.h. (typically)
Temperature dependency £ 0.1 % r.h. / ° C
Time constant approx. 20 s
Output signal, linear (terminal X2) DC 0...10 V or DC 0...5 V 0...100 % r.h.,
max. ± 1 mA
4...20 mA 0...100 % r.F., max. 500 Ohm
Measuring range 0...50 °C (R2) or - 35...+ 35 °C (R1)
Measuring accuracy at DC 24 V in the range of
23 °C
15...35 °C
- 35...+50 °C
± 0.3 K at “Uoutput signal (typically)
± 0.4 K at “I” output signal (typically)
± 0.8 K
± 1 K
Time constant t
63
8.5 min
Sensing range See "Mode of operation"
Measuring accuracy See "Mode of operation"
Time constant t
63
8.5 min
Correction Intrinsic heat 1.4 K for “U“ output signal (typically)
1.8…2.6 K for “I“ output signal“
Output signal (terminal B, M) Passive
With QPA2002D, QPA2060D, QPA2062D, QPA2080D LCD
Power supply
Cable lengths for measuring
signal
Functional data "CO
2
"
Functional data "VOC"
Functional data "Maximum
selection from CO
2
and VOC"
for QPA2002 and QPA2002D
Functional data "Rel. Humidity"
for QPA2062 and QPA2062D
Functional data "Temperature"
with QPA206
Functional data "Temperature"
with QPA208
Display of measured value