Ultrasonic Oil Level Sensor, Non Contact, RS232/RS485/0-5V

High quality non-contact ultrasonic oil level sensor works at 12V-48V DC voltage and ≤25mA current and provides measurment distances 5-100cm and RS232/RS485/0-5V output, suitable for measuring vehicle tank oil level, liquid tank level, container water level and filling liquid gas.

SKU: CCHN-LEVS-U02

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Delivery date: 6-25 days

Overview

Buy an fuel evel sensor online. This oil level switch uses ultrasonic detection technology to non-contactly measure the level of oil and liquid substances, 12V-48V DC voltage and ≤25mA current, measuring distance 5-100cm, RS232/RS485/0-5V output.

Features

Non-contact measurement requires no modification to the container and features a waterproof metal housing with sealed electronics for reliable outdoor use.
This ultrasonic oil level switch supports DC 12–48V input and multiple output interfaces (RS232, RS485), suitable for various signal acquisition systems.
It utilizes high-frequency ultrasound for strong penetration, with built-in algorithms for filtering, environmental compensation, and millimeter-level precision.

Specifications

Model	CCHN-DYP-U02-V1.0
Working Current	≤25mA
Working Voltage	12V-48V DC
Measurement Angle	2-4°
Measurement Range	5-100cm, other ranges can be customized.
Output Mode (Optional)	RS232/RS485/0-5V Analog Output
Measurement Accuracy	≤5mm

Dimension (Unit: mm)

Oil level sensor dimension

Part Description

Oil level sensor part description

1	The alloy case.
2	Strong waterproof adhesive tape.
3	Ultrasonic transducer.
4	Sensor output connector.
5	The sensor connector fixing cap..
6	Sensor output wire fixing piece
7	The sensor's ultra-wide strap fixing groove.

1	Signal wire connection plug.
2	4-core signal line or 5-core signal line: standard wiring length is 7 meters.
3	Red core wire for sensor power supply(Positive).
4	Black core wire for sensor power supply(Negative).
5	4-core green wire, sensor signal wire, marked as RS232-RX/RS485-A.
6	4-core yellow wire, sensor signal wire, identified as RS232-TX/RS485-B.
7	5-core green wire, sensor analog voltage 0~5V output wire.
8	5-core yellow wire, sensor TTL-UART TX signal output wire.
9	5-core blue wire, sensor TTL-UART RX signal receiving wire.

Applications

The non-contact ultrasonic oil level sensor is specially designed for monitoring fuel levels in vehicle tanks, measuring liquid levels in storage tanks, tracking water levels in containers, and gauging liquid gas during filling processes.

Oil level sensor applications

Tips: What is an ultrasonic oil level sensor?

The ultrasonic oil level sensor is a non-contact device that uses ultrasonic waves to measure the level of oil in a tank or container. It works by emitting high-frequency sound waves that reflect off the surface of the oil, and the sensor calculates the distance based on the time it takes for the echo to return. This technology allows for accurate, real-time monitoring without direct contact with the oil, making it ideal for use in harsh or hazardous environments.