eYc THG03 CO2 Temp. & Humidity Transmitter(Indoor)

● 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

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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 ... 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
Housing material：PC(PC-110)(UL94V-2)
Weight：100 g

*Please make sure the product and the device which connect with RS485 are on common ground, avoid damaged product.

The specifications contained herein are subject to change without notice and any user of said specifications should verify from the manufacturer that the specifications are currently in effect.
Otherwise, the manufacturer assumes no responsibility for the use of specifications which may have been changed and are no longer in effect.

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