The RS485 500cm Ultrasonic Level Sensor offers 1mm resolution and IP67 protection for reliable distance measurement. With RS485 communication and LoRaWAN® compatibility, it’s ideal for precise, long-range monitoring in challenging environments. The RS485 500cm Ultrasonic Level Sensor uses ultrasonic technology for precise distance measurement, offering a range from 25cm to 500cm with 1mm resolution. Its IP67-rated waterproof transducer ensures reliable operation even in harsh environments. This high-precision, low-power sensor is ideal for accurate level and distance monitoring. It supports RS485 serial communication, allowing easy integration with other devices. It’s also compatible with the SenseCAP LoRaWAN® Data Logger, enabling connection to a LoRaWAN® network for long-range, low-power data transmission. Configuration and firmware updates can be carried out using the included serial port tools. Features * Measuring ranges: With an intelligent signal processing circuit, the measurement distance can be up to 5 meters, and the blind area is less than 25cm. * High precision: Built-in high-precision ranging algorithm, measurement accuracy ±(1+S*0.3%) * Strong robustness: IP67 protection, suitable for wet, harsh environments * Low power consumption: Average current ＜10 mA * Built-in on-board temperature compensation: Automatic correction of temperature deviation Specifications Range 25 ~ 500 cm Accuracy ±(1+S*0.3%) Resolution 1 mm Blind Area Distance 0～25 cm Detection Angle ≈21° Supplier Code 101991042 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℃ Interface PIN # Color PIN Name Description 1 Red VCC 3.3V～5V power input 2 Black GND Ground 3 Yellow B RS485 B 4 White A RS485 A Dimensions Resources * Datasheet * Product Wiki Package Contents * 1x RS485 500cm Ultrasonic Level Sensor https://elecena.pl/product/29502918/rs485-500cm-ultrasonic-level-sensor 2025-11-13 https://elecena.pl/product/29502918/rs485-500cm-ultrasonic-level-sensor 2025-11-28 https://elecena.pl/product/29502918/rs485-500cm-ultrasonic-level-sensor 2025-11-29 https://elecena.pl/product/29502918/rs485-500cm-ultrasonic-level-sensor 2026-04-08