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Seeed Studio  |  SKU: 101991041
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Seeed Studio Industrial RS485 Ultrasonic Level Sensor (750cm)

Regular price €26,00
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A professional-grade ultrasonic distance transmitter featuring a 7.5-meter range and a ruggedized IP67 design for non-contact liquid level and object detection.

  • Extended Reach: Accurate distance measurement from 20cm to 750cm.
  • Internal Compensation: Built-in temperature processing for data stability.
  • RS485 Connectivity: Standard Modbus RTU protocol for easy PLC integration.

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  • Quality Guaranteed: All professional IoT hardware is backed by a 2-year manufacturer warranty and technical support from our engineering experts at shopioT.

Delivery and Shipping

Reliable, tracked, and fast global shipping via FedEx Express. Your professional IoT hardware is dispatched from our EU-based warehouse within 2 business days.

Precision IoT Hardware Backed by Real Technical Expertise.

Description

The Seeed Studio RS485 Ultrasonic Level Sensor is an industrial-standard solution for non-contact spatial measurement and liquid level monitoring. Utilizing high-frequency ultrasonic waves, this sensor calculates the distance to a target based on Time-of-Flight (ToF) principles, covering a vast range up to 750cm (7.5 meters). Designed for reliability in harsh environments, it features internal temperature compensation to maintain accuracy despite thermal fluctuations. Its ruggedized IP67 housing makes it impervious to dust and water, while the industry-standard RS485 interface ensures seamless data collection for smart city, agricultural, and industrial automation networks.

Precision Non-Contact Sensing

Robust IP67 Waterproofing The sensor is fully protected against immersion, making it suitable for outdoor use in sewers, flood monitoring, and open water tanks.
Advanced Signal Processing Features integrated algorithms for interference suppression and stable data output via Modbus RTU RS485.

Industrial Monitoring Scenarios

Liquid Level Monitoring: Real-time tracking of water tanks, reservoirs, and chemical containers without probe contact.
Smart Waste Management: Monitor fill levels in public trash bins and containers to optimize collection routes.
Flood Early Warning: Deploy in rivers and drainage channels to monitor water rising during extreme weather events.

What is in the Box?

1 x Seeed Studio RS485 750cm Ultrasonic Sensor
1 x Integrated Multi-core Cable
1 x Quick Start Guide

Product Certifications

CE IP67 RoHS

Specifications

  • Primary Communication Protocol
    Modbus RTU (RS485)
  • Configuration Method
    Modbus Commands
  • Activation Method
    Plug & Play
  • Environment Rating
    Outdoor, Industrial
  • Operating Temperature
    -15°C to 55°C
  • Power Consumption
    Average: <10mA, Standby: <10uA
  • Measurement Technology
    • Sensing Method: Ultrasonic sensing technology [cite: 9]
    • Compensation: Integrated temperature compensation for increased accuracy [cite: 16]
    • Sensor Design: One-piece enclosed waterproof probe with electrostatic protection [cite: 16, 20]
  • Measurement Range
    • Range (with bell mouth): 28 cm to 750 cm [cite: 35]
    • Range (without bell mouth): 28 cm to 450 cm [cite: 35]
    • Blind Area: ≤28 cm [cite: 35]
    • Detection Angle: Approximately 40° with bell mouth [cite: 35]
  • Measurement Accuracy
    • Accuracy: ±(1 cm + S * 0.3%), where S is the measured value [cite: 19]
    • Response Time: Calculated distance: ~500ms; Real-time distance: ~100ms
  • Measurement Resolution
    • Distance Resolution: 1 mm [cite: 75]
    • Temperature Resolution: 0.1°C [cite: 77]
    • Communication: Default 9600bps Baud rate (configurable up to 76800bps) [cite: 64, 77]
  • Monitoring Parameters
    Distance (Ultrasonic), Temperature

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