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- Model GS43/44 - CO2 Transmitter(Indoor ...
Model GS43/44 -CO2 Transmitter(Indoor / Duct Type)
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.
- Features:Suitable for HVAC. Various installation types.
- Sensor type:NDIR sensor
- Measuring range:2000 / 5000 / 10000 PPM
- Output:4 ... 20 mA / 0 ... 10 V
- Accuracy:±40 or ±250 PPM ±3% of reading
- IP rating:IP54(GS43) / IP64(GS44)
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
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 / 0 ... 10 V
Modbus: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?
Operating Humid.:Tarps:0 ... 95%RH(Non-condensing) / Non-woven:0 ... 85%RH(Non-condensing)
Storage Temp.:-20 ... +60?
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(4P or 5P)metal connector with 2 m cable or terminal(cable gland)
Installation
Installation:Indoor:Wall mount / Duct:Flange mount
Protection
IP rating:GS43:IP54 / GS44:IP64
Electrical protection:Polarity protection 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