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VENTS CO2-2

  • Description
  • Characteristics
  • Downloads
  • Dimensions
Description
Description
APPLICATION
  • The sensor is designed for indoor carbon dioxide concentration measurement and respective air flow regulation through the control output signal to the fan.
  • Air flow control based on СО2 concentration is an efficient energy saving solution.
DESIGN AND COMPATIBILITY
  • The sensor has two separate outputs: a normally opened dry relay contact and an analogue output 0…10 V (this output is adjustable for 2…10 V/0…20 mA/4…20 mA).
MODIFICATIONS
  • The sensor is available in two modifications: CO2-1 and CO2-2.
  • The CO2-1 model incorporates LED lights for CO2 concentration and operation buttons indicating the level of three operation modes.
MOUNTING AND POWER SUPPLY
  • The sensor is designed for wall surface mounting.
  • 24 VAC low current power supply.
  • If power supply 24 V is not available, connect the TRF plug that is offered as an accessory.
ACCESSORIES
  • Power supply unit is applied for connection of the sensor to 220 V (model TRF-220/24-1,6) or 120 V (TRF-120/24-1,6) AC power mains.

Characteristics
Characteristics
Parameter CO2-2
Measurement unit
Power supply/ power consumption Power supply/ power consumption 24 VAC (50/60 Hz ± 10 %), 24 VDC/1.6 W Max W
Gas detection analyzer Gas detection analyzer Non-dispersive infrared detector (NDIR) with self-calibration system -
CO2 measuring range CO2 detection range 0–2,000 ppm (parts per million) -
Accuracy at 25°С (77°F), 2000 ppm Accuracy at 25°С (77°F), 2000 ppm ±30 ppm + 3 % of reading -
Response time Response time

max. 2 min

-
Warm up time for each turning-on Warm up time for each turning-on

2 hours (first time), 2 minutes (operation)

-
Analogue output Analogue output

0-10 VDC (factory setting), 4-20 mA (selectable by jumpers)

-
On/Off output On/Off output

1X2A switch load. Four set points selectable by jumpers

-
Operating conditions/ storage recommendations Operating conditions/ storage recommendations

0–50 °C; 0–95 % RH non condensing/0–50 °C

-
Weight/ Dimensions Net weight/ Dimensions

0.120 kg/100 mm х 80 mm х 30 mm

kg
Mounting outdoor mounting -
Files archieve
Downloads
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Name
Download high quality image "CO2-1" (psd 1.93Mb)
Download high quality image "CO2-2" (psd 1.89Mb)
"CO2" product description 01-2023 (pdf 248.1Kb)
"CO2-2" user's manual 11-2015 (CO2-2_V90-2EN-02) (pdf 114.94Kb)
"CO2-1" user's manual 05-2017 (CO2_1_V90-1EN-02) (pdf 105.24Kb)
Download image "CO2-1" for your website (png 380.44Kb)
Download image "CO2-2" for your website (png 341.78Kb)
Dimensions
Characteristics
Parameter Value Measurement unit
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