- Integrated 3 sensors in 1 device with optional LCD display
- Measuring temperature, humidity and carbon dioxide
- 2 analog outputs or 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
Air Quality
THG03
CO2 Temp. & Humidity Transmitter(Indoor)
Products Specification
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:NDIR sensor(CO2) / MEMS sensor(Temp. & humidity)
Measuring range:0 … 2000 PPM / 0 … 50℃ / 0 … 100%RH(Non-condensing)
Analog output:0 … 5 V / 0 … 10 V / 4 … 20 mA
Modbus:RS-485
Signal connection:3-wire
Load resistance:Voltage output:≧10 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)
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℃
Power supply:DC 12 … 36 V & AC 24 V±10%
Current consumption:DC:150 mA / AC:120 mA
Starting current:DC 24 V:250 mA / DC 12 V:550 mA;AC 24 V:230 mA / AC 12 V:250 mA
Electrical connection:Analog & communication:4P Connector
Installation:Indoor and Wall mount
IP rating:IP20
Electrical protection:■ Polarity protection ■ Short-circuit
CE Certification:
Emission
EN 61326-1:2013
CISPR11:2015 Group1 Class B
EN 55011:2009 / A1:2010
Immunity
EN 61326-1:2013
IEC 61000-4-2:2008
IEC 61000-4-3:2006+A1:2007+A2:2010
IEC 61000-4-8:2009
Housing material:PC(PC-110)(UL94V-2)
Weight:100 g
Products 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