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EGQ220F931
Maintenance-free room sensor with active output, automatic calibration (fixed), in an elegant plastic housing with snap-on lid, for determining the CO2
content of the air (0...2000 ppm). The measuring transducer converts the measured values into a standard signal of 0 -10 V.
The sensor is used in offices, hotels, convention centres, apartments, shops, etc. for the purpose of evaluating the indoor climate. This enables
energy-saving room ventilation on an as-needed basis, thereby reducing operating costs and improving well-being. One sensor for every 30 m² of
space is recommended.
The CO2 measurement is performed using an optical NDIR sensor (non-dispersive infra-red technology). The detection range is calibrated for
standard applications such as monitoring residential rooms and conference rooms.
TECHNICAL DATA
Power supply:
Power consumption:
Sensor:
Measuring range:
Output:
Relay output:
Measuring accuracy:
Temperature dependence:
Pressure dependence:
Long-term stability:
Gas exchange:
Ambient temperature:
Warm up time:
Response time:
Electrical connection:
Housing:
Dimensions:
Installation:
Protection class:
Protection type:
Standards:
Type ⁄ Code
EGQ220F931
Note:
24 V AC ⁄ DC (± 10 %)
< 1.5 W ⁄ 24 V DC typical;
< 2.9 VA ⁄ 24 V AC typical; peak current 200 mA
Optical NDIR sensor (non-dispersive infra-red technology),
with manual calibration (via zero button),
with automatic calibration ( fixed)
0...2000 ppm
0 -10 V
without changeover contact
typically ± 30 ppm ± 3 % of measured value
± 5 ppm ⁄ °C or ± 0.5 % of measured value ⁄ °C (whichever is higher)
± 0.13 % ⁄ mm Hg
< 2 % in 15 years
by diffusion
0...+ 50 °C
approx. 1 hour
< 2 minutes
2
0.14 - 1.5 mm
, via screw terminals
plastic, material ABS,
colour pure white (similar to RAL 9010)
85 x 85 x 27 mm
wall mounting or on in-wall flush box Ø 55 mm,
base with 4-hole for cable entry from the back
III (according to EN 60 730)
IP 30 (according to EN 60 529)
CE conformity, electromagnetic compatibility according to EN 61 326,
EMC Directive 2014 ⁄ 30 ⁄ EU, Low Voltage Directive 2014 ⁄ 35 ⁄ EU
Measuring Range
CO2
0...2000 ppm
This unit must not be used as safety-relevant device!
Output
CO2
0 -10 V
7
Rev. 2021 - V35
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