System Parameter
Power Input 12 / 24VDC (12~24VDC)
Communication RS485 Modbus-RTU
Op.temp.&Humidity -40°C~80°C, 15~95%RH 无凝结
Warranty 1 year
Interface
RS485 2 wires

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

Power Input  2 wiresPin 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
 ES104 Inspection 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
 ES102 Inspection Parameter
Wind Speed Detection Range 0~60m/s
Accuracy Level ±1m/s
Operation Temperature -40~80℃
Operation Humidity 15-95%RH
Wind Direction Detection Range 0~360° (16 Directions)
Accuracy Level 1 Direction
Operation Temperature -40~80℃
Operation Humidity 15-95%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
 40023  Wind Speed  1  1  Range:0-60m/s
 40024  Wind Direction  0  2 North-NortEast: 0x0000      NorthEast: 0x0001
NorthEast – East: 0x0002      East: 0x0003
East-East: 0x0004      SouthEast: 0x0005
South – SouthEast: 0x0006      South: 0x0007
South – SouthWest: 0x0008      SouthWest: 0x0009
West-West: 0x000A      West: 0x000B
West – NorthWest: 0x000C      NorthWest: 0x000D
North – NorthWest: 0x000E      North: 0x000F