Seeed Studio Liquid Level Sensor for Water Level, Oil Level and Mild-corrosive Liquid Level Monitoring


:Out Of Stock

Product Features

  • High-performance: anti-interference and long-term stability
  • Robustness: anti-corrosion, durable and stable
  • User-friendly: anti-blocking design, easy to clean
  • Widely-applicable: 0.5~4.5V transmission output, can work with digital displays, PLC, inverters, recorders and other instruments
  • Industry-grade: IP68 rating, durable and waterproof, suitable for outdoor severe environments
  • Certifications: FCC, CE, and RoHS


The Liquid Level Sensor is designed with industry-grade standards, for monitoring water level, oil level, and other mild-corrosive liquid levels. It incorporates stainless steel and insulated rubber, is IP68 rated, suitable for application in severe environments.

It's small-size and lightweight, easy to install. With a sealed stainless steel probe, it can work in water, oil, and mild-corrosive environments. The sensor has high anti-vibration and anti-impact performance. It can be widely used in process control, aviation, aerospace, automobile, medical equipment, HVAC, and other applications.

Product Specifications

Measurement Range 0 ~ 5 meters
Cable Length 5.3 meters
Output Signal 0.5 ~ 4.5V
Accuracy ± 0.25%F.S
Zero Temperature Drift ± 0.03%F.S/℃
Sensitivity Temperature Drift ± 0.03%F.S/℃
Long-term Stability ≤0.2%F.S/year
Response Time 5ms( (≤90%F.S)
Measurement Liquid Slight corrosive liquid (water, edible oil, etc.)
Power Supply 5V DC
Overload Capacity 200%F.S
Compensation Temperature -10℃ ~ +70℃
Medium Temperature -40℃ ~ +80℃
Storage Temperature -40℃ ~ +85℃

304 stainless steel shell,

316L stainless steel core,

special rubber-insulated cable.

IP Rating IP68
Device Weight 670g
Certifications CE, FCC, RoHS



  • Reservoir detection
  • Pool pump station
  • River monitoring
  • Marine monitoring
  • Lake monitoring
  • Sewage treatment
  • Deep well level monitoring
  • Tank level monitoring

Output Voltage

Wiring Diagram

Probe Dimensions

Shipping Policy

We provide worldwide shipping using only tracked shipping services. Currently all our international shipments are performed by TNT Express and FedEx. Local shipments to Greece are performed either directly from us or using local shipping couriers (i.e. ELTA Courier).

We ship products within 1-3 days after the order is placed. You will be notified by email when your order is dispatched and you will receive the relevant shipment tracking number which you can use to track your shipment.

Shipment Tracking

You can use the following links to track your order using the provided tracking number in the case of international orders.
  • Orders shipped with TNT Express: TNT Tracking
  • Orders shipped with FedEx: FedEX Tracking
  • General Return Policy

    We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

    To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

    To start a return, you can contact us at If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

    For any further information, help and support regarding the shipping and/or return process you can contact us at:

  • Email:
  • Telephone: +30 210 421 2380