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    VENTS CO2-2

    VENTS CO2-2
    • VENTS CO2-2
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    • VENTS CO2-2
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    CO2 sensor without indication
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    • Description
    • Characteristics
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    • 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 -
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    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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