• GS43/44 CO2  Transmitter(Indoor / Duct Type)

GS43/44 CO2 Transmitter(Indoor / Duct Type)

Model : GS43GS44
Features : Suitable for HVAC. Various installation types.
Sensor type : NDIR sensor
Measuring range : 2000 / 5000 / 10000 PPM
Output : 4 ... 20 mA + RS-485
Accuracy : ±40 or ±250 PPM ±3% of reading
IP rating : IP54(GS43) / IP64(GS44)
  • Features
    ● Accurate and excellent long-term life cycle
    ● Measuring up to 10000 PPM
    ● Voltage or current output and optional RS-485, and display
    ● Free software configuration
  • Applications
    Monitoring air quality and saving energy / Environmental control and monitoring system / Ventilation system control for building, library, train station, supermarket, office / Agriculture, green houses, fruit and vegetable storage, mushroom farming, hatcheries and incubators
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  • Specification

    Display

    Display
    Without backlight
    Digit
    5 digits(upon request)
    Digit height
    5.56 mm

    Input

    Sensor type
    NDIR sensor
    Measuring range
    2000 / 5000 / 10000 PPM

    Output

    Output
    4 ... 20 mA + RS-485
    Signal connection
    3-wire
    Sensitivity
    ±1 PPM ±1% of measured value
    Load resistance
    Voltage output : ≧10 KΩ
    Current output : < 250 Ω
    linear accuracy (at +25°C)
    400 ... 2000 PPM : ±40 PPM ±3% of reading
    2000 ... 10000 PPM : ±250 PPM ±3% of reading
    Output calibration (ZERO & SPAN)
    Factory software calibration
    Warm-up time
    < 2 min. ; stable time 20 mins.
    Response time(t90)
    GS43: < 2 min. ; GS44 : < 6 min.
    Sampling time
    About 6 sec.
    ADC default
    2000 PPM : On;5000 PPM / 10000 PPM : Off

    Environment

    Medium
    Non-aggressive gas(HVAC system)
    Operating Temp.
    0 ... 50°C
    Operating Humid.
    Tarps : 0 ... 95%RH(Non-condensing)
    Non-woven : 0 ... 85%RH(Non-condensing)
    Storage temp.
    -20 ... +60°C

    Electrical

    Power supply
    DC 12 ... 36 V & AC 24 V ±10%
    Current consumption
    DC : 37 mA / AC : 70 mA
    Starting current
    DC : > 200 mA / AC : > 210 mA
    Electrical connection
    M12 (5P) connector with 2 m cable

    Installation

    Installation
    Indoor : Wall mount
    Duct : Flange mount

    Protection

    IP rating
    GS43 : IP54 / GS44 : IP64
    Electrical protection
    ■ Reverse polarity
    ■ Over-voltage
    ■ Short-circuit

    Certification

    Certification
    CE

    Material

    Housing
    PC fire-proof(PC - 110)(UL94V-2)
    Filter for duct type
    POM
    Ventilation-cloth
    2000 PPM : Non-woven
    5000 / 10000 PPM : Tarps
    Weight
    GS43 : 126 g / GS44 : 155 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.