10m Ultrasonic Level Sensor 4 - 20mA Automatically Controls Switch Water Level Meter

Fault description

cause of issue

Solution

Meter does not display, does not work

Wrong power supply Wrong wiring

Check whether the DC24v power supply is correct Check whether the wiring is correct

The instrument has display, does not work

1. The level gauge is not aligned with the liquid level or material level
2. The liquid level fluctuates greatly
3. The material surface is extremely uneven
4. The liquid surface has a thicker foam layer
5. The bottom of the container is not flat after the liquid is emptied and the material is emptied
6. Out of measurement range

1. Adjust the alignment direction of the level gauge, and use a spirit level to calibrate and add a plastic tube to the container 
2. Use a level gauge with a larger range
3. Use a level gauge with a larger range or other measurement methods
4. Naturally resume work after adding liquid or material
5. Use a level gauge with a larger range

The instrument display is unstable or the measured value has a large deviation

1. The material level enters the blind spot
2. The distance measurement value is greater than the installation height
3. There is strong electromagnetic interference
4. Objects that block sound waves
5. A metal flange is prepared on the level meter
6. The emitting surface or side of the probe is in contact with metal

1. Elevate the level meter or prevent the level from being too high
2. Modify the installation height to the correct value
3. The instrument must be connected to the ground, and shield the level gauge
4. Change the installation position or add plastic pipes
5. Switch to plastic flanges
6. Use rubber pads to isolate from metal