THG03 CO2 Temp. & Humidity Transmitter(Indoor)
Model :
THG03
Features:Suitable for HVAC application. Simple appearance. Multi-measurement.
Sensor type:CO2 NDIR sensor / Temp. & humidity MEMS sensor
Measuring range:0 ... 2000 PPM / 0 ... 50℃ / 0 ... 100%RH(Non-condensing)
Output:0 ... 10 V / 4 ... 20 mA
Accuracy:±40 PPM±3% of reading / ±0.5°C / ±5%RH
IP rating:IP20
Sensor type:CO2 NDIR sensor / Temp. & humidity MEMS sensor
Measuring range:0 ... 2000 PPM / 0 ... 50℃ / 0 ... 100%RH(Non-condensing)
Output:0 ... 10 V / 4 ... 20 mA
Accuracy:±40 PPM±3% of reading / ±0.5°C / ±5%RH
IP rating:IP20
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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 -
ApplicationsMonitoring 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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SpecificationDisplay
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.