
SM6389B using the standard RS485 bus MODBUS-RTU protocol,easy access to PLC,DCS and other instruments or systems for monitoring temperature、humidity、Illuminance state quantities.The internal use of high-precision sensing core and related devices to ensure high reliability and excellent long-term stability,can be customized RS232,RS485,CAN,4-20mA,DC0~5V/10V,ZIGBEE,Lora,WIFI,GPRS and other output methods.
Technical Parameters
Technical parameter | Parameter value |
Brand | SONBEST |
Temperature measuring range | -30℃~80℃ |
Temperature measuring accuracy | ±0.5℃ @25℃ |
Illuminance measuring range | 0~65535Lux |
Illuminance allow deviation | ±7% |
Repeatability test | ±5% |
Illuminance detection chip | Import digital |
Wavelength range | 380nm~730nm |
Communication Interface | RS485 |
Default baud rate | 9600 8 n 1 |
Power | DC9~24V 1A |
Running temperature | -40~80°C |
Working humidity | 5%RH~90%RH |