Reference: RBD-2141
Banner

The M03 Non-Contact Liquid Level Detection Module Sensor provides a precise and contamination-free method of monitoring liquid levels. Operating at a safe voltage range of 3.3V–5V, it is directly compatible with Arduino and other microcontrollers. With a compact size of 10mm × 30mm and a sensing distance of 3–4.5mm, the M03 is easy to integrate into small spaces. Built for durability, this sensor features strong anti-interference performance and stable output, making it ideal for water tanks, appliances, and other automation systems where accurate and maintenance-free detection is required. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD
Non-contact sensing prevents contamination and wear.
Operates within 3.3V–5V, Arduino-ready.
Compact size: 10mm × 30mm for easy installation.
Detection range: ~3–4.5mm (not suitable for metal containers).
Simple interface: GND, VCC, OUT.
High output (no liquid) / Low output (liquid detected).
Low power consumption, suitable for continuous monitoring.
Direct microcontroller connection without additional circuitry.
Strong resistance to electromagnetic interference.
Reliable for long-term use in harsh environments.
RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD
Water tanks and level monitoring.
Smart home appliances.
Medical liquid detection equipment.
Aquarium and hydroponics control.
Robotics and IoT projects.
Industrial automation processes.
RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD
| General Specifications | |
| Model | M03 Non-Contact Liquid Level Module |
| Operating Voltage | 3.3V–5V |
| Power Consumption | Low |
| Output | Open-drain (High = No liquid, Low = Liquid detected) |
| Sensing Distance | ~3–4.5mm |
| Interface Pins | GND, VCC, OUT |
| Compatibility | Arduino, Microcontrollers, PLCs |
| Dimensions | 10mm × 30mm |
| Material | ABS |
| Shipment Weight | 0.0023 kg |
| Shipment Dimensions | 4 × 2 × 2 cm |
Please allow 5% measuring deviation due to manual measurement.
RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD
Enhance your liquid level detection applications with the reliable and versatile M03/M04 Non-Contact Liquid Level Detection Module Sensor, offering precise sensing and easy integration into your projects without the need for direct contact.
RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD
1 x M03 Non-Contact Liquid Level Detection Module Sensor
RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD
RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD RoboticsBD
Specific References
Your review appreciation cannot be sent
Report comment
Report sent
Your report cannot be sent
Write your review
Review sent
Your review cannot be sent
Reference: RBD-2141
Reference: RBD-3262
Reference: RBD-2395
Brand: Hi-Link
Reference: RBD-2806
Reference: RBD-2992
Reference: RBD-0311
Reference: RBD-4107
Reference: RBD-3094
Brand: DFRobot
Reference: RBD-2845
Reference: RBD-2840
Reference: RBD-0493
Reference: RBD-1942
Reference: RBD-0145
Reference: RBD-2838
Reference: RBD-0622
Reference: RBD-0680
Reference: RBD-1834
Reference: RBD-2065
Reference: RBD-2091
Reference: RBD-2150
Reference: RBD-2318
Reference: RBD-2357
Reference: RBD-2488
Reference: RBD-2780
Reference: RBD-0337
Brand: Waveshare
Reference: RBD-2780
Reference: RBD-2779
Reference: RBD-2778
Reference: RBD-2961
check_circle
check_circle