• THG03 CO2 Temp. & Humidity Transmitter(Indoor)

THG03 CO2 Temp. & Humidity Transmitter(Indoor)

Model : THG03
Input:CO2 NDIR sensor / Temp. & humidity MEMS sensor
Output:0 ... 10 V / 4 ... 20 mA
Accuracy(at +25°C;DC 24 V;101.3 kPa):
CO2±40 PPM±3% of reading / Temperature±0.5°C / Humidity±5%RH(30 ... 80% RH)
Measuring range:0 ... 2000 PPM / 0 ... 50℃ / 0 ... 100%RH(Non-condensing)
  • Features
    ● Integrated 3 sensors in 1 device with LCD display
    ● Measuring temperature, humidity and carbon dioxide
    ● 2 analog outputs and Modbus RS-485
    ● Optional analog output + RS-485
    ● Quick easy installation and maintenance due to well designed
    ● Cost-efficient and reliable
    ● Data can be logged and transferred to PC via RS-485 function link free software

  • Applications
    Monitoring the air quality in indoor environments / HVAC / Air conditioning / Museums / Greenhouse / Testing environments work places / Supermarkets / Data centers/ Production warehouses / Indoor public / Places to regulate the ventilation system to save energy
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  • Specification
    Display
    Display:LCD module without backlight
    Display readout:Double line character(Up:CO2;Down:T & H take turns)
    Digit:CO2:4 digits;T & H:3 digits & 1 decimal
    Digit height:17.84 mm

    Input
    CO2:NDIR sensor
    Temp. & humidity:MEMS sensor

    Measuring range
    CO2:0 ... 2000 PPM
    Temperature:0 ... 50℃
    Humidity:0 ... 100%RH(Non-condensing)

    Output
    Analog output:0 ... 10 V / 4 ... 20 mA
    Modbus:RS-485
    Signal connection:3-wire
    Load resistance:Voltage output:≧100 KΩ / Current output:<250 Ω
    Warm-up time:<2 min;Stable time 20 min
    Temp. influence:T & H:Max. -0.15%RH/℃(0 ... 80°C)
    Response time:CO2:t90<2 min / T & H:t63(15 ... 45°C / 33 ... 75%RH)≦10 sec
    Sampling time:CO2:About 6 sec;T & H:About 3 sec
    Data logger:Via RS-485 by using eyc free software

    Accuracy(at +25°C;DC 24 V;101.3 kPa)
    CO2:±40 PPM±3% of reading
    Temperature:±0.5°C
    Humidity:±5%RH(30 ... 80% RH)

    Environment
    Medium:Air
    Operating Temp. / Humid.:T&H:0 ... 50°C / 0 ... 100%RH(Non-condensing)
    Operating Temp. / Humid.:CO2:0 ... 50°C / 0 ... 85%RH
    Storage temperature:-20 ... + 60℃

    Electrical
    Power supply:DC 24 V±10% & AC 24 V±10% 
    Current consumption:DC:150 mA / AC:120 mA
    Starting current:DC 24 V:250 mA / AC 24 V:230 mA 
    Electrical connection:Analog & communication:4P Connector

    Installation
    Installation:Indoor and Wall mount

    Protection
    IP rating:IP20
    Electrical protection:■ Polarity protection ■ Short-circuit

    Certification
    Certification:CE

    Material
    Housing material:PC(PC-110)(UL94V-2)
    Weight:100 g
Note : Design and specifications are subject to change without notice.
Note : If the product has RS-485 function, to avoid damaging product, please make sure the product and the device which connect with RS-485 are on common ground.