Submersible Water Level Sensor Liquid Transmitter 1m 2m 3m Range 4-20mA 0-5V 0-10V 1-5V RS485 Modbus Output


SKU: 1005004624424617
  • Model Number: QDY30A
  • Max Measuring Range: 400 Bar & Above
  • Brand Name: NoEnName_Null
  • Origin: Mainland China
  • Certification: CE,FCC,RoHS
  • Product name: QDY30A water level sensor
  • range: 0-500m H2O customized
  • Output signal: 4-20mA,0-10V,0-5V,RS485
  • cable lengh: Default 5m,can be customized
  • Power supply: DC24V,(dc12-36v)
We are Factory direct sale, bulk orders please contact us for a discount.


This level sensor is DC24V power supply.  (DC12-36V can can be used)

Let me know the measuring range, cable length, output signal and power supply if you want to have the customization.TKS


Item Type: Liquid Level Sensor
Tested Medium: Water (liquid that does not corrode stainless steel)
Cable Length: 5m ,10m,15m,20m etc can be customized
Measuring Range: 1m / 2m / 3m / 4m / 5m / 6m/8m/10m/15m (optional)
Measurement Accuracy: 0.2% FS
Output Signal: 4-20mA 0-10v,1-5v RS485 can be customized
Supply Voltage: 12-36VDC
Ambient Temperature: -30-80 ℃
Temperature Compensation: -10-70 ℃
Overload Capacity: <200%
Protection Level: IP68
Long-term Stability: ± 0.2% FS / year
Product Material: 304 stainless steel


<1>. QDY30A submersible Water Level Sensor, its 304 &316 stainless steel and hermetically sealed housing make it suitable for most industrial liquids and oils.

<2>. The welded housing is tested in-house via a helium leak tester to ensure proper protection. Ventilation tube in the cable automatically compensates for changes in atmospheric pressure above the tank. The conductors of the cable are also isolated from the outside environment to keep the level sensor operational for long-term use.


  • High accuracy

  • High sensitivity

  • Good stability

  • All stainless steel structure probe

  • Anti-corrosion material optional

  • Easy Installation

Technical parameters:


QDY30A liquid water level sensor

Measuring Range

0~0.5~500m H2O

Power supply


Output Signal

4-20mA, 0-10V, 0~5V, RS485



Response Time

≤1ms (up to 90%FS)

Long-term Stability


Medium Temperature


Working Temperature


Overload Capacity


Insulation Resistance


Sensitivity Drift


Zero Drift




Measuring Medium

Various medium which is compatible with SS304

Mechanical Vibration

20g (20~5000Hz)


100g (11MS)100g (11MS)


Junction box: Low content Cu-Al alloy

Probe: Stainless steel

Cable: Polyurethane cable


Static liquid level, Liquid tank, Sewage water, Well, Lake,etc.

Ordering Guide: 


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