Seeed Studio RS485 500cm Ultrasonic Level Sensor

Seeed Studio RS485 500cm Ultrasonic Level Sensor

• Long-Range Ultrasonic Level Measurement
• RS485 Interface for Reliable Data Transmission
• Accurate Up to 500cm Measurement Range
• Non-Contact, Maintenance-Free Sensing
• Suitable for Various Liquid Types

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Product Description

The RS485 500cm Ultrasonic Level Sensor by Seeed Studio is a high-precision, low-power ultrasonic distance measuring sensor that offers a wide range of applications. It features a measuring range of 25 to 500cm with a resolution of 1mm, making it highly accurate and reliable for various monitoring systems. The sensor is equipped with a waterproof ultrasonic transducer, making it suitable for use in harsh environments.

Product Features

  • Measuring Range: Capable of measuring distances from 25cm to 500cm.
  • High Precision: Offers measurement accuracy of ±(1+S*0.3%) with a resolution of 1mm.
  • Robust Design: Features an IP67 protection rating, suitable for wet and harsh environments.
  • Low Power Consumption: Average current consumption is less than 10 mA.
  • Temperature Compensation: Includes built-in on-board temperature compensation for automatic correction of temperature deviation.
  • Versatile Applications: Ideal for horizontal ranging, object proximity and presence awareness, intelligent trash can management systems, robot avoidance and automatic control, and water level monitoring in sewers.
  • RS485 Output: Compatible with RS485 serial communications protocol for easy connection and integration with other devices.
  • LoRaWAN® Compatibility: Can be connected to the LoRaWAN® network through the SenseCAP LoRaWAN® Data Logger.
  • Operating Voltage: Ranges from 3.3 to 24V.
  • Detection Angle: Approximately 21°.

This sensor is ideal for a variety of industrial and environmental monitoring applications, offering both accuracy and durability in challenging conditions​.

Product Downloads

Technical Specifications
Range 25 ~ 500 cm
Accuracy ±(1+S*0.3%)
Resolution 1 mm
Blind area distance 0~25 cm
Detection angle ≈21°
General Parameter
Operating voltage 3.3~24 V
Average current <10 mA
Quiescent Current 15~5000 uA
Output method RS485 Output
IP Rating IP 67
Working Temperature -15℃ ~ 60℃

Shipping Policy

We provide worldwide shipping using reliable tracked
shipping services.

Local Shipments within Cyprus

Shipments in Cyprus are performed usually with ACS Courrier
or AKIS Express. In some cases, we might deliver the products ourselves. A pick-up
option from our locations is also available.

International Shipments

International shipments are performed using Express Airway
Shipping Services. We are currently shipping orders with TNT Express and FedEX.
As soon as your shipment is dispatched you will receive the shipment confirmation
including the shipment tracking number which you can use to track your order
from the shipment provider website.

We dispatch orders within 1-3 workdays after the day of the
order placement. 

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: +357 22 282828