Ultrasonic level sensor 36475268

for wateranalogRS-485

6V Ultrasonic Water Tank Level Meter RS485 5m High Accuracy Liquide Level Measure signals definition Electrical connections and signal definitions Line order - Colour - Definition 1 - Red - Power is positive 2 - Black - power return ground 3 - Yellow - Analog output, voltage output, current output switch output 4 - Blue - RS485 A+ or uart TXD 5 - Green - RS485 B- or uart RXD Installation conditions If the sensor is installed at the environment temperature fall below 0℃,It should do well on the protective measures. In case of direct mounting of the sensor in a through hole using the steel nuts, it has to be fixed at the middle of the housing thread.