Power Input

12 / 24VDC (12~24VDC)

Communication

RS485 Modbus-RTU

Op.temp.&Humidity

-40°C~80°C, 15~95%RH

Warranty

1 year

Interface

RS485

2 wires Pin Define: Yellow (Gray): RS485+;  Blue: RS485-

Power Input

 2 wires Pin Define: Brown : V+;  Black: V-

Parameter

Temperature

Detection Range

-40~80℃

Accuracy Level

±0.5℃

Humidity

Detection Range

0~100%RH

Accuracy Level

±3%RH

PM2.5

Detection Range

0-1000ug/m³

Measurement

Laser Detection

Accuracy Level

＜±10% (25℃)

Resolution

0.1ug/m³

Operation Temperature

-40~80℃

Operation Humidity

0-95%RH

PM10

Detection Range

0-1000ug/m³

Measurement

Laser Detection

Accuracy Level

＜±10% (25℃)

Resolution

0.3ug/m³

Operation Temperature

-40~80℃

Operation Humidity

0-95%RH

Communication Protocol Basic Parameter

Protocol

Modbus-RTU

Data bits

8 bit

Parity bit

No

Stop bit

1

Error Detecting Code

CRC

Baude Rate

2400bps/4800bps/9600bps, default setting is 9600bps

Device Stack List

Modbus ID

 Parameter

 Decimal

 Address

 Description

40001

 Humidity

 1

 3

 Range：0~100.0%RH

 40002

 Temperature

 1

 3

 Range：-40~80℃

 40005

 PM2.5

 0

 3

 Range：0~1000ug/m3

 40010

 PM10

 0

 3

 Range：0~1000ug/m3

 40257

 Device Address

 0

 Device Address

 40258

 Bard Rate

 0

 0 =2400, 1 =4800, 2 =9600