Seeed Studio RS485 750cm Ultrasonic Level Sensor

Seeed Studio RS485 750cm Ultrasonic Level Sensor

• Extended Range: Measures up to 750cm
• RS485 Interface for Stable Communication
• Non-Contact Ultrasonic Technology
• High Precision Level Measurement
• Versatile for Various Liquid Types

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The RS485 750cm Ultrasonic Level Sensor from Seeed Studio is a high-precision ultrasonic distance sensor designed for a variety of applications. This sensor is capable of measuring distances ranging from 28 to 750 cm with a resolution of 1mm. It is equipped with an IP67 waterproof ultrasonic transducer, making it suitable for use in diverse environments, including applications like sewer and water level monitoring, intelligent trash can management systems, robot avoidance, and automatic control systems.

Key features of the RS485 750cm Ultrasonic Level Sensor include:

  • Measuring Range: It has a wide measuring range of 28 to 750 cm.
  • Resolution: Offers a high resolution of 1mm for precise measurements.
  • IP67 Waterproof: The ultrasonic transducer is IP67 rated, making it capable of operating in wet and challenging conditions.
  • Intelligent Signal Processing: The sensor is designed with intelligent signal processing circuitry and a built-in high-precision ranging algorithm.
  • On-Board Temperature Compensation: This feature ensures accurate and reliable readings across different temperature conditions.
  • Energy Efficiency: The sensor is energy-efficient with an average current consumption of less than 10 mA.
  • RS485 Protocol: It utilizes the RS485 serial communication protocol for easy integration with other devices.
  • Applications: Versatile for use in sewer and water level monitoring, intelligent waste bin management systems, robot avoidance, and automatic control systems.
  • Price: Available for $21.90, making it a cost-effective solution for distance measurement requirements.

The RS485 750cm Ultrasonic Level Sensor from Seeed Studio stands out for its precision, adaptability, and affordability, making it a suitable choice for a range of industrial and environmental monitoring applications​.

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Technical Specifications
Accuracy ±(1+S*0.3%)
Resolution 1 mm
Blind zone distance 0~28 cm
Measurement range (w/o bell-mouth) 28 ~ 450 cm
Measurement range (with bell-mouth) 28 ~ 750 cm
Beam angle(w/o bell-mouth) --
Beam angle(with bell-mouth) ≈40°
General Parameter
Operating voltage 5~12 V
Average current <10 mA
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