UM-ALS20 Ambient Light Sensor with RS485 Modbus, Analog Voltage, Analog Current Interface Time:2019/12/06 View:4236 Category:Resources Resources User Manual UM-ALS20 Ambient Light Sensor Software SensorOneSet-EN TagsAmbient Light SensorAnalog outputillumination sensorRS485 Modbus PREV: UM-Daisy20 Compact Weather Station with RS485, Modbus NEXT: UM-Giant521 Weighing Transmitter with RS232/RS485, Modbus