Photoelectric Leakage Detection Sensor, Relay/RS485

SKU: SUCH-WLS-RSSJ5
$82.85
● Relay/RS485 output optional ● Power supply DC 10-30V ● Operating temperature -20℃~+60℃ ● Can detect alcohol, tap water, purified water, and gasoline
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🕒 Delivery date: 6-12 days
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Overview

High-quality photoelectric leakage detection sensors can detect liquids such as alcohol, tap water, purified water, acidic/alkaline water, gasoline, and antifreeze. SUCH water leakage sensors operate on a DC 10-30V power supply and offer optional RS485 or relay output. They are dustproof and waterproof, and widely used in communication base stations, computer rooms, libraries, archives, warehouses, equipment cabinets, and other locations requiring water alarms.

Feature

  • Wide Voltage Power Supply: The photoelectric leakage detection sensor uses a wide voltage range of 10-30V, offering greater power adaptability.
  • High Sensitivity: The probe is highly sensitive, detecting water levels as low as 1mm and triggering an output signal.
  • IP68: High-level protection with a sealed, corrosion-resistant housing, allowing for prolonged immersion in liquids and suitable for various harsh environments.
  • Stable and Reliable: The photoelectric water leak detection sensor features a fully sealed design, minimizing the impact of environmental factors on electronic components, ensuring stability and reliability.
  • Measures Multiple Liquids: The photoelectric leak sensor can detect leaks of insulating liquids, as well as alcohol, tap water, purified water, acid/alkaline water, gasoline, antifreeze, and other liquids.
  • Wide Applications: Widely applicable to communication base stations, computer rooms, libraries, archives, warehouses, equipment cabinets, and other locations requiring water accumulation alarms. It can also be used for monitoring coolant storage, lubricant leaks in machine tools or vehicles, and gasoline leaks.

Leakage detection sensor feature

Dimension (Unit:mm)

Leakage detection sensor size

Line Definition

Output signal RS485 output Relay output
Power supply Power supply positive (brown) (10~30V DC)
Power supply negative (black)
Output 485-A (yellow) Relay NO contact (white, green)
485-B (blue)
Specs
Power Supply DC 10-30V
Max Power Consumption Relay Output: 0.1W (DC12V)
RS485 Output: 0.04W (DC12V)
Detection Object Alcohol, tap water, purified water, acidic or alkaline water, gasoline, antifreeze, etc.
Operating Temperature -20℃~+60℃
Operating Humidity 0%RH~95%RH (non-condensing)
Output Signal RS485 output (ModBus-RTU protocol), relay output (NO contact)
Relay Load Capacity 60VDC 0.5A
Wire Length Connecting wire, total length 2m
Dimension 77*18mm
Application
Water leakage sensor for air conditioner


Air Conditioner

Water leakage sensor for engine room


Engine Room

Water leakage sensor for pipeline


Pipeline

FAQ

A photoelectric leakage sensor is a sensor that uses photoelectric detection to determine whether a water or liquid leak has occurred. It is mainly used to detect the presence of liquids. It typically identifies the presence of liquid in the detection area by detecting changes in the optical path between a light source and a photoelectric receiving element, thereby triggering a leak alarm or control output.

The photoelectric water leak sensor contains a transmitter and a receiver. When the detection area is dry, light travels along a set path and is received normally by the receiver. Once water or liquid enters the detection area, refraction, reflection, or obstruction occurs, causing a significant change in the received light intensity. The sensor circuit then determines this as a leak and outputs an alarm or switch signal. Because it is based on optical changes, this type of sensor has a fast response speed and does not depend on the conductivity of the liquid.

A photoelectric leak sensor can detect liquid leaks, including alcohol, tap water, purified water, acidic/alkaline water, gasoline, antifreeze, and other liquids.

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