Water Level Depth Detection Sensor Module

Track fluid presence and dynamic depth variations effortlessly with the standard Water Level Depth Detection Sensor Module. Engineered for low-power, non-mechanical liquid level monitoring, this compact breakout board features a series of interlaced, exposed parallel conductive traces that act as a variable resistor ruler. As the fluid level rises across the sensor plate, it bridges the copper tracks, lowering electrical resistance and outputting a clean Analog Signal (0 to ~4.5V) directly proportional to the submerged depth. Operating on a standard 3V to 5V DC logic envelope with a minimal current footprint under 20mA, it serves as the definitive hardware component choice for constructing smart automated water tank alarms, rainwater collection loggers, sump pump overflow overrides, and automated plant watering systems.

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Tags water level detection Arduino tank water sensor water level sensor depth detection module liquid level indicator

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Product Details :

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Made In :	India

The Water Level Depth Detection Sensor Module REL_35 is a simple and reliable sensor used to detect water level, liquid presence, and depth in tanks, reservoirs, and DIY automation systems. It works by measuring the conductivity between exposed sensor traces, making it ideal for Arduino, ESP32, and IoT-based water monitoring projects.

This sensor is widely used in smart irrigation, water tank overflow protection, and automation systems.

Key Features

Detects water level and liquid presence
Simple analog/digital output (module dependent)
Easy integration with Arduino and ESP32
Corrosion-resistant sensor PCB design
Lightweight and low-cost solution
Suitable for DIY water monitoring systems
Can be used for multiple level detection
Fast response to water contact
Ideal for automation and IoT projects

Technical Specifications

Parameter	Specification
Model	REL_35 Water Level Sensor
Operating Voltage	3.3V – 5V DC
Output Type	Analog / Digital (variant dependent)
Detection Method	Conductivity-based sensing
Material	PCB sensor board
Working Principle	Water resistance measurement
Interface Pins	VCC, GND, Signal
Compatibility	Arduino, ESP32, Raspberry Pi
Response Time	Fast real-time detection