Ultrasonic level sensor 35549629

for liquidsRS-4854-20 mA

Blue led light The blue light flashes to indicate that calibration can be performed. Blue and other constants indicate that the power supply of the sensor is normal. The blue light will flash within 5 minutes after the power is turned on, indicating that the user can perform output adjustment and calibration. After 5 minutes, the blue light is always on to indicate that the sensor cannot be receiving Calibration command. . Tellow led light It is used to indicate whether the measured object is detected. During the calibration stage, the yellow light flashes to indicate that the current calibration state is locked, and it can be switched to the next calibration state. Red LED light - In normal working state, the red light is not on, and the red light is on to indicate that there is a fault. During the calibration process, the flashing red light indicates that the sensor locks the current echo loss or infinity state, and the user can switch to the next calibration state.