• eYc THG03 CO2 Temperature & Humidity Transmitter / Indoor type

eYc THG03 CO2 Temperature & Humidity Transmitter / Indoor type

Features : 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.
Input : CO2 NDIR sensor / Temp. & humidity MEMS sensor
Output : 0 ... 5 V / 0 ... 10 V / 4 ... 20 mA
Accuracy ( at +25 °C ;V = 24 VDC;101.3kPa ) :
CO2 ± 40 PPM ± 3 % of reading / Temperature ± 0.5 ℃ /
Humidity ± 5 % RH ( 30 ... 80 % RH )
Measuring Range : CO2 0 ... 2000 PPM / Temp. 0 ... 50 ℃ /
Humidity 0 ... 100 %RH ( non-cond.)
Display : Optional
●Additional option (ILAC/TAF) Test report - Standard Calibration laboratory(Leb number: 3032)
Model : eYc THG03

● Integrated 3 sensors in 1 device with optional LCD display
● Measuring temperature, humidity and carbon dioxide
● 2 analog outputs or Modbus RS-485
● Optional analogue 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

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Otherwise, the manufacturer assumes no responsibility for the use of specifications which may have been changed and are no longer in effect.



Display 

Display : LCD module without backlight
Display readout : double line character ( up : CO2;down : temperature & humidity  take turns )
Digit : CO2 : 4 digits;T & H : 3 digits & 1 decimal 
Digit height : 17.84 mm
Input
CO2 : NDIR sensor
Temperature & humidity : MEMS sensor

Measuring range
CO2 : 0 ... 2000 PPM
Temperature : 0 ... 50 ℃
Humidity : 0 ... 100 %RH ( non-condensing )
Output
Analog output : 0 ... 5 V / 0 ... 10 V / 4 ... 20 mA
Modbus : RS-485
Signal connection : 3-wire
Load resistance ( voltage ) : voltage output : ≧ 10KΩ ; current output : < 250 Ω
Warm-up time : < 2 min.,stable time 20 mins.
Temperature influence :  T & H : max. -0.15 % RH / ℃ ( 0 ... 80 ℃)
Response time : 
CO2 : t 90 < 2 min.
T & H : t 63 ( 15 ... 45 ℃ / 33... 75 %RH ) ≦ 10 sec.
Sampling time : CO2 : about 6 secs. ; T & H : about 3 secs.
Data logger : via RS-485 by using eyc free software
Accuracy ( at +25 °C ;V = 24 VDC;101.3kPa )
CO2 : ± 40 PPM ± 3 % of reading
Temperature : ± 0.5 ℃
Humidity : ± 5 % RH ( 30 ... 80 % RH )
Environment
Media measured  : air
Working temp. / humidity for T & H : 0 ... 50 ℃  / 0 ... 100 % ( non-cond. ) 
Working temp. / humidity for CO2 : 0 ... 50 ℃  / 0 ... 85 %
Storage temperature : -20 ... + 60 ℃
Electrical
Power supply : DC 12 ... 36 V & AC 24 V ± 10 %
Current consumption : DC 24V : 150 mA;AC 12 V : 120 mA
Starting current : DC 24V : 250 mA;DC 12 V : 550 mA;
                             AC 24V : 230 mA ; AC 12V : 250 mA
Electrical connection : analog & communication : 4P connector
Installation
Wall
Protection
Protection degree : IP 20
Electric protection : polarity protection, short circuit
Certification
CE
Material
Case : 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.



● Monitoring the air quality in indoor environments
● HVAC / air conditioning / museums / greenhouse / testing environments work places / supermarkets /
● Data centers / production wharehouses / indoor public / places to regulate the ventilation system to save energy