THG03 CO2 Temp. & Humidity Transmitter(Indoor)

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