Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Operating Voltage	3.3V - 5V DC
Detection Range	2cm - 400cm
Measurement Accuracy	+/- 3mm
Beam Angle	15 degrees
Protection Rating	IP67 Waterproof
Output Interface	UART / TTL Serial
Operating Temperature	-20°C to +60°C
Dimensions	45mm x 20mm x 12mm
Blind Spot Distance	< 2cm
Application Suitability	Liquid Level, Obstacle Avoidance, Tank Monitoring

6 reviews

Anonymous

Mar 23, 2026

Rating: 4/5

Solid performance indoors

I am using this to monitor waste bin levels. It works great indoors. The only reason for 4 stars is that the cable could be a bit longer for my specific mounting setup, but an extension fixed that quickly.

Anonymous

Mar 23, 2026

Rating: 4/5

Great range, minor noise issues

The detection range is impressive up to 4 meters. I noticed slight fluctuations in readings when placed near a vibrating motor, but adding a simple software filter solved it. Good value for the price.

Anonymous

Mar 20, 2026

Rating: 5/5

Easy to integrate

As a student, I needed something plug-and-play for my final year project. This module connected easily to my microcontroller, and the documentation helped me get distance data within minutes. Highly recommended for beginners.

Anonymous

Mar 18, 2026

Rating: 5/5

Durable and accurate

We have deployed ten of these in our community garden for irrigation tanks. They have survived humidity, dust, and occasional splashes without failure. The accuracy remains stable over weeks of operation.

Anonymous

Mar 06, 2026

Rating: 5/5

Perfect for my water tank project

This sensor works flawlessly for measuring water levels in my outdoor rain barrel. The waterproof coating is robust, and the readings are consistent even when it rains. Setup with Arduino was straightforward using the provided library.

Anonymous

Mar 06, 2026

Rating: 5/5

Reliable for industrial prototyping

Used this for a prototype involving chemical tanks. The anti-powder feature seems effective as it handled some dusty environments without losing accuracy. The small blind spot is a huge plus compared to older models.

5 FAQ

Q: Does it come with mounting brackets?

A: The package includes the sensor module and connecting wires. Mounting brackets are not included, but the casing has standard screw holes for easy custom mounting.

Q: Can I use this outdoors in direct sunlight?

A: Yes, the sensor is designed for outdoor use. However, extreme direct heat on the sensor face can slightly affect speed of sound calculations. Our firmware includes temperature compensation to minimize this effect.

Q: What is the minimum distance it can detect accurately?

A: The minimum detection distance (blind spot) is approximately 2cm. Objects closer than this may not be detected or may return erratic values.

Q: Can this sensor measure the level of foamy liquids?

A: While the sensor handles many liquid types, heavy foam can absorb ultrasonic waves and may cause inaccurate readings. It works best on relatively calm liquid surfaces.

Q: Is the output compatible with Raspberry Pi GPIO?

A: Yes, the module outputs TTL serial signals which are compatible with Raspberry Pi GPIO pins. Please ensure you use a logic level converter if your specific model operates at 5V and your Pi requires 3.3V.

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