【Real-time data monitoring】Quickly monitor and LCD display
【Nicer stability】NDIR,MEMS , and Infrared LED sensor
【Sensor protected】Anti-condensation and nicer long-term stability
【Operate easy】Remote monitoring data via Modbus RS-485 digital output
【Install Quickly】Compact size and elegant outlook and easy to install on the wall
【Data logger software】Free programmable software to monitor and record local data via RS-485
Stealthy Fatal Killer PM2.5 exist in the ambient. It threatens human health if the value of PM2.5 and CO2 excess the standard 35μg/m3 and 1000 PPM.
Display
Display：LCD module without backlight
Display readout：Double line character (Up：Temperature；Down：Humidity)
Digit：PM2.5：3 digits and 1 decimal / CO2 ：4 digits / T&H：3 digits & 1 decimal
Digit height：17.91 mm
Input
Temperature：MEMS sensor
Humidity：MEMS sensor
CO2：NDIR sensor
PM2.5：Infrared LED
Measuring range
Temperature：0 … 50°C
Humidity：00 … 100%RH (Non-condensing)
CO2：0 … 2000 PPM
PM2.5：0 … 500 μg/m3
Output
Output：RS-485
Protocol：Protocol
Interface：Modbus RTU
Address：1 … 247
Baud Rate：9600, 19200, 38400, 57600, 115200
Warm-up time
Temp. & Humidity：< 2 min.，stable time 20 mins.
CO2：< 2 min.，stable time 20 mins.
Response time
Temp. & Humidity：t 63(15 … 45°C / 33 … 75%RH) ≦ 10 sec
CO2：t 90 < 2 min.
PM2.5：3 sec
Sampling time
Temp. & Humidity：About 3 sec
CO2：About 6 sec
PM2.5：About 20 sec
Accuracy
Temperature：±0.5°C
Humidity：±5%RH (at 30 … 80%RH)
CO2：±40 PPM±3% of reading
PM2.5：±10 μg/m3 ±5% of reading
Electrical
Medium：Air
Operating environment：0 … 50°C / 0 … 100%RH (Non-condensing)
Operating environment (CO2)：0 … 50°C / 0 … 85%RH
Storage temperature：-20 … + 60°C
Electrical
Power supply：AC：24±10% & DC：12 … 36 V
Current consumption：DC 12 V：30 mA / DC 24 V：20 mA / AC 24 V：35 mA
Starting current：DC 12 V：162 mA / DC 24 V：94 mA / AC 24 V：158 mA
Electrical connection：4P connector
Installation
Installation：Indoor and wall mount
Protection
IP rating：IP20
Electrical protection：■Polarity protection ■Short-circuit
Certification
Certification：CE
Material
Housing：PC (PC – 110)(UL94V-2)
Weight：115 g (Display / 100 g (Without display)
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