Display
Display : LCD module without backlight
Display readout : double line character ( up : humidity；down : temperature )
Digit : 3 digits & 1 decimal
Digit height : 17.84 mm
Input
Temperature & humidity : MEMS sensor
Measuring range
Temperature : 0 ... 50 ℃
Humidity : 0 ... 100 %RH ( non-condensing )
Output
Aanalog 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 : max. - 0.15 % RH / ℃ ( 0 ℃ to 80 ℃)
Response time : t 63 ( 15 ℃ to 45 ℃ / 33 to 75 % RH ) ≦ 10 sec.
Sampling time : about 3 secs.
Data logger : via RS-485 by using eyc free software
Accuracy ( at +25 °C ；V = 24 VDC )
Temperature : ± 0.5 ℃
Humidity : ± 5 % RH ( 30 ... 80 % RH )
Environment
Media measured : air
Working temperature : 0 ... +50 ℃
Working humidity : 0 ... 100 % ( non-condensing )
Storage temperature : -20 ... + 60 ℃
Electrical
Power supply : DC 12 ... 36 V & AC 24 V ± 10 %
Current consumption : DC : 20 mA / AC : 30 mA
Starting current : DC 24V : 80 mA；DC 12 V : 100 mA；AC 24V : 100 mA
Electrical connection : analogue & 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 : 95 g

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