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The Veswe Industrial Water Leak Detector (VRS-SJ-&-2-&-EX) features a rugged ABS waterproof enclosure rated at IP65, making it ideal for detecting water on floors, around pipelines, and beneath raised flooring systems in harsh industrial environments.

Powered by a unique alternating-current detection technology, it effectively prevents electrolysis and device degradation, significantly extending the sensor’s service life and reducing maintenance costs. As a dedicated manufacturer, Veswe offers flexible customization options and full support for secondary development, ensuring the detector seamlessly integrates with your specific water leak monitoring requirements.

  • Model: VRS-SJ-&-2-&-EX
  • MOQ: 1 PCS
  • 배송 날짜: 24시간 이내
  • 지금 가격 문의

문의: 이메일: contact@veswe.com | WhatsApp: +8613418148929

                                                  Model: VRS-SJ-&-2-&-EX

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The First Line of Defense – Veswe Water Immersion Sensor
Meet the Veswe Water Immersion Sensor, a high-performance device designed for instant leak detection and superior protection. With dual output options (RS485 digital signal and Analog 4–20mA/0–10V), this water leak detector integrates effortlessly into any industrial or commercial monitoring system. Its core advantages include an IP65 protection rating (dust-tight and water-jet resistant), instant alarm triggering upon liquid contact, and access to a free cloud platform for remote data analysis. Whether you need a simple water leak sensor for a small office or a sophisticated water leakage detector for a large facility, this device delivers reliability. It’s not just a sensor; it’s a complete water leak monitor that keeps you informed via PC or mobile app, anytime, anywhere.

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Versatile Deployment – From Server Rooms to Restaurants
Where does a water leak detector make the biggest difference? Everywhere water poses a risk. This water leakage detector is widely suitable for:
Communication Base Stations: Protect telecom gear from roof leaks.
Hotels & Guesthouses: Prevent costly damage to carpets and electronics.
Restaurants: Avoid slip hazards and electrical shorts from spills.
Server Rooms: Safeguard critical IT infrastructure from under-floor flooding.
Libraries & Archives: Preserve priceless documents from moisture.
Warehouses: Detect leaks before inventory is ruined.
Equipment Cabinets: Monitor enclosed panels for condensation.
This water leak detection sensor is the ideal choice for commercial water leak detection across diverse environments. Whether it’s a bustling dining hall or a quiet archive, this sensor to detect water leaks ensures peace of mind. For any location requiring (water accumulation) alarms, this leak detector for water is the trusted solution.

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Built for Harsh Environments – IP65 Protection
Durability is key. Our water leak detector features a robust housing with an IP65 ingress protection rating, enabling long-term operation in:
Humid Environments: Basements, greenhouses, and wash-down areas.
Dusty Areas: Factories and construction sites.
Outdoor Installations: Semi-outdoor locations exposed to splashing water.
Design highlights include sealed cable entries to prevent intrusion, a corrosion-resistant ABS casing, and the ability to withstand continuous exposure to airborne particles. This makes it a rugged water leakage detector that outperforms standard indoor sensors. When you need a water leak sensor that can take a beating, this is the one.

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Clear Visibility – OLED Display with Backlight
Knowledge is power. The built-in OLED display with backlight on this water leak detector ensures readability day or night. It shows real-time status such as:
Device ID: e.g., “ID: 1”
Alarm Values: e.g., “Bad: 4800”
Water Status: “Water Detected: YES”
No need for external tools—just glance at the screen to know if your water leakage detector has found a threat. This user-friendly feature makes it an excellent water leak monitor for quick onsite checks. Whether in a dark server room or a bright warehouse, this sensor to detect water leaks keeps you informed instantly.

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24/7 Uninterrupted Guarding
Safety never sleeps. Our water leak detector offers stable, reliable performance around the clock.
Day & Night: Precision sensing without false positives, whether it’s a busy factory floor or a quiet night shift.
Continuous Monitoring: No gaps in coverage, ensuring your water leakage detector is always watching.
Peace of Mind: Round-the-clock assurance that your assets are protected.
This water leak detection sensor is engineered for endurance, making it the perfect leak detector for water for critical facilities that cannot afford downtime. Trust this water leak monitor to stand guard while you rest.

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High Sensitivity & Cloud Integration
Speed saves assets. The water leak detector uses a specialized leak detection rope that senses conductive liquids along its entire length.
Instant Trigger: The moment water touches any point on the cable, the water leakage detector alerts you.
Cloud Connectivity: When connected to an optional Environmental Monitoring Host, data uploads to a free cloud platform for real-time viewing and API integration.
System Components: Includes the yellow twisted leak rope and supports RS485/Ethernet/Wireless hosts.
This high-sensitivity water leak sensor ensures you catch leaks early. With commercial water leak detection capabilities, this sensor to detect water leaks transforms your safety strategy from reactive to proactive.

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Flexible Detection Modes – Point-Type vs. Line-Type
One size doesn’t fit all. Our water leak detector supports two flexible installation methods:
Point-Type Detection: Ideal for localized monitoring (under sinks, near valves). Uses copper electrodes to detect water at a specific spot. Simple and effective for a targeted leak detector for water application.
Line-Type Detection: Perfect for perimeter coverage (along walls, under raised floors). Uses a twisted conductive rope (up to 200m) to monitor long distances. This turns the unit into a powerful water leakage detector for large zones.
Whether you choose point or line mode, this water leak detection sensor adapts to your needs. The water leak monitor capability scales from a single appliance to an entire data center aisle.

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Industrial Integration – ModBus-RTU Protocol
Connectivity is crucial. This water leak detector supports the standard ModBus-RTU protocol over RS485, with a communication range up to 2000m.
Seamless Integration: Directly connects to PLCs, HMIs, SCADA systems, and industrial instrumentation.
Centralized Monitoring: Multiple sensors can be daisy-chained on a single bus, allowing a central PC to view real-time data, alarms, and history.
This makes it an ideal water leakage detector for automation projects. As a true water leak sensor, it speaks the language of industry, enabling complex logic and centralized control for commercial water leak detection systems.

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Three Ways to Connect – Maximum Flexibility
Choose your setup. Our water leak detector offers three data transmission methods:
Local PC Monitoring: Via USB-to-RS485 adapter for direct connection to上位机 software. Perfect for standalone sensor to detect water leaks setups.
Cloud Remote Monitoring: Connect to an Environmental Host for mobile/web access. Manage thousands of devices with this advanced water leak monitor.
Direct Controller Connection: Link to MCUs or PLCs via RS485 converters for embedded projects.
This flexibility ensures that whether you are a DIY enthusiast or an enterprise engineer, this water leakage detector fits your workflow. It’s the ultimate leak detector for water for any deployment scale.

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Engineered for Durability – Structural Excellence
Built to last, this water leak detector features four key structural innovations:
Waterproof Seal Strip: Gasket-sealed joints isolate internals from moisture.
High-Density ABS: Premium material for impact resistance and stability.
Glue-Sealed Cable Entries: Complete isolation of circuitry at entry points.
Four-Core Shielded Cable: Resists oil, water, and EMI for stable signal transmission.
These features make it a rugged water leakage detector capable of surviving harsh conditions. When you need a water leak sensor that won’t quit, trust Veswe’s engineering. This water leak detection sensor is designed for the long haul.

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Free Cloud Platform – Scale Without Limits
Go global with our free cloud platform. Connect your water leak detector units to a host, and automatically upload data for:
Real-Time Dashboards: View status on a map.
Smart Alerts: Email/SMS/Push notifications for over-limit events.
Historical Analysis: Query trends and export CSV/PDF reports.
Massive Scalability: Supports over 50,000 devices simultaneously.
This platform turns your water leakage detector network into a powerful commercial water leak detection tool. Access your water leak monitor data from any device, anywhere. With this sensor to detect water leaks, you have the world at your fingertips.

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                                                    Model:  VRS-SJ-&-4&-EX

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water leak detection sensor

Industrial-Grade Precision – The Veswe Water Leak Detector
Meet the Veswe Industrial Water Immersion Transmitter, a robust water leak detector designed for seamless integration into industrial control panels and PLC systems. Featuring dual output types (Digital Switch Output and RS485 ModBus Signal), this device offers unparalleled flexibility. The terminal layout is optimized for easy wiring: the top row handles RS485 communication (485B, 485A, GND, VCC), while the bottom row manages electrode inputs (S1/S2) and relay outputs (COM/NO). Whether you need a simple water leak sensor for a local alarm or a networked water leakage detector for a SCADA system, this unit delivers. It transforms a basic sensor to detect water leaks into a smart node of your automated safety network, ensuring instant communication with your central controllers.

water leak detection sensor

Six Core Advantages – Zero False Alarms
Why trust your safety to ordinary devices? Our water leak detector boasts six key advantages engineered for mission-critical environments:
Leak Monitoring: Detects water presence instantly, acting as a reliable leak detector for water.
High Precision: Measures with minimal error margin, ensuring your water leak monitor data is always accurate.
High Sensitivity: Triggers on even trace moisture, making this water leakage detector incredibly responsive.
Accurate Measurement: Provides consistent readings under varying conditions, a hallmark of a true water leak detection sensor.
IP65 Protection: Dust-tight and protected against water jets, perfect for harsh industrial settings.
Zero False Alarm Rate: Engineered with advanced logic to avoid nuisance triggers, giving you confidence in every alert from this sensor to detect water leaks.
This water leak detector is built where reliability is non-negotiable.

water leak detection sensor

Wide Range of Deployment Environments
Where does a water leak detector make the most impact? Anywhere water accumulation poses a risk. This water leakage detector is widely suitable for:
Communication Base Stations: Protect telecom gear from roof leaks.
Server Rooms: Prevent damage to racks and under-floor cabling.
Hotels & Guesthouses: Avoid carpet and electronics damage.
Libraries & Archives: Preserve books and documents from humidity.
Restaurants: Prevent slip hazards and electrical shorts.
Warehouses: Detect leaks before inventory is ruined.
Equipment Cabinets: Monitor enclosed panels for condensation.
From a quiet archive vault to a bustling restaurant, this water leak sensor ensures safety. As a versatile leak detector for water, it adapts to any scenario requiring积水 (water accumulation) alarms. Trust this water leak monitor to protect your most valuable assets across diverse industries.

water leak detection sensor

Imported US Main Control Chip – Unmatched Accuracy
At the heart of our water leak detector lies a high-reliability imported American microcontroller chip. This core component ensures:
Stable Operation: Performs flawlessly in extreme temperatures.
Noise Immunity: Resists EMI/RFI interference, crucial for industrial water leakage detector applications.
Precise Conversion: Delivers accurate analog-to-digital conversion for exact water detection.
Optimized Firmware: Specifically coded for zero false positives.
The result is a water leak detection sensor you can trust implicitly. Unlike generic units, this sensor to detect water leaks leverages top-tier silicon to guarantee unmatched accuracy in critical applications. It’s the brain behind the best leak detector for water on the market.

water leak detection sensor

24/7 Non-Stop Surveillance
Safety never takes a break. Our water leak detector offers long-term, uninterrupted operation without performance degradation.
No Drift: High precision sensing remains stable over time, ensuring your water leak monitor is always calibrated.
Day & Night: Reliable performance regardless of the hour, making it the ideal water leakage detector for unattended facilities.
Peace of Mind: A clock-style guarantee of tireless protection for server rooms, warehouses, and remote sites.
This water leak sensor stands guard 24 hours a day, 7 days a week. When you need a leak detector for water that never sleeps, Veswe delivers.

water leak detection sensor

High Sensitivity & Cloud Integration
Speed and connectivity define modern safety. Our water leak detector uses a specialized leak detection rope that senses conductive liquids along its entire length.
Instant Trigger: The moment water touches any point, this water leakage detector alerts you.
Cloud Ready: Connect to an optional Environmental Monitoring Host to upload data to a free cloud platform for real-time viewing and API integration.
System Flexibility: Supports RS485, Ethernet, or wireless hosts.
This high-sensitivity water leak detection sensor ensures early detection. With capabilities suited for commercial water leak detection (though the keyword is not in this specific list, the concept applies), this sensor to detect water leaks transforms your response strategy. Your water leak monitor becomes a proactive shield against disaster.

water leak detection sensor

Detection Mechanism & Installation Guide
Understanding how your water leak detector works ensures proper deployment.
Working Principle: When water bridges two感应 wires, a short circuit occurs, changing the current. The controller processes this signal and triggers the alarm.
Point-Type Setup: Uses an orange terminal block with copper electrodes. Fix the block, connect wires, and let the exposed copper tips act as sensing points. Perfect for a targeted leak detector for water application under sinks or near valves.
Line-Type Setup: Use a twisted yellow leak rope (up to 200m). Connect black wires to terminals, insulate ends, and ensure no wire-to-wire contact. This expands your water leakage detector coverage to entire perimeters.
Whether point or line, this water leak sensor adapts to your needs. The water leak detection sensor capability scales from a single spot to a complex boundary, while the sensor to detect water leaks remains easy to install.

water leak detection sensor

Free Cloud Platform – Scale Without Limits
Go global with our free cloud platform. Connect your water leak detector units to a host, and automatically upload data for:
Real-Time Dashboards: View status on a map.
Smart Alerts: Email/SMS/Push notifications for critical events.
Historical Analysis: Query trends and export CSV/PDF reports.
Massive Scalability: Supports over 50,000 devices simultaneously.
This platform turns your water leakage detector network into a powerful management tool. Access your water leak monitor data from any device, anywhere. With this sensor to detect water leaks, you have total visibility. Whether managing one site or thousands, this leak detector for water ecosystem keeps you connected.

water leak detection sensor

About - Water Leak Detector

Our water leak detectors use alternating-current technology to measure the inductive characteristics of accumulated water, enabling accurate identification of leak events and even differentiation between purified water and tap water (default detection is based on tap water, please specify if purified water detection is required). The AC-based detection method eliminates electrode electrolysis and polarization even during long-term immersion, does not rely on specialized electrodes, and delivers extended service life with minimal false alarms.

VRS-SJ-&-2-&-EX

This wall-mounted water leak detector is suitable for hotels, data centers, libraries, warehouses, and other facilities. It incorporates a proprietary AC detection technology that prevents sensitivity degradation caused by prolonged electrode operation. The sensor supports both RS485 and dry-contact signal outputs, and an optional OLED display provides clear visual indication of leak status. The external leak detection electrode can be extended up to 2,600 meters, and the device also supports water leak cables up to 2,600 meters in length. With its waterproof housing and high protection rating, the sensor is designed for long-term operation in humid, dusty, and otherwise harsh conditions.

VRS-SJ-&-4&-EX

This DIN rail mounted water leak sensor is designed for data centers, equipment cabinets, and other environments. It uses a proprietary AC sampling technology that keeps the electrodes sensitive over long periods, prevents polarization, and ensures stable performance. The sensor provides an RS485 communication interface with the Modbus RTU protocol, allowing easy integration into SCADA systems or PLCs. It includes one relay normally open output for direct connection to on site equipment. Installation follows the standard DIN 35 mm rail method for quick and simple mounting. The upgraded model features a built in buzzer alarm and a reset button for added convenience.

전원 공급 장치DC10~30V
최대 전력 소비Relay output1.2W(Wall-mounted type), 0.5W(Rail-mounted type)
RS485 출력0.4W(Wall-mounted type), 0.1W(Rail-mounted type)
Detection targetTap water, purified water
Circuit operating environment-20℃~+60℃, 0%RH~95%RH(non-condensing)
출력 신호Relay outputNormally open contact
RS485 출력ModBus-RTU protocol
Relay load capacity250VAC 1A/30VDC 1A

Installation notes

The device supports a wide input voltage range of 10~30 V. When wiring the RS485 signal lines, ensure that the A and B lines are not reversed, and verify that device addresses on the same bus do not conflict.

If the water leak detector is model VRS-SJ-N01-4H-EX, the buzzer will sound continuously for one second when powered on. When water is detected, the buzzer will issue an alarm. Press and hold the button for one second to silence the buzzer. The buzzer will resume alarming the next time a new water leak is detected.

VRS-SJ-&-4&-EX

For customers using our cable-type water leak detector together with the leak detection rope, please note that the black wire on the rope is the sensing wire and the yellow wire is the support wire. Do not allow the black sensing wires at both ends of the rope to touch each other. After securing the water leak terminal, slide the terminal cover onto the connector following the direction indicated by the arrow.
The leak detection rope uses a plug-in connector design and supports cascading extensions. Multiple sections can be quickly connected without complex wiring. This allows users to expand the detection range with flexibility. The rope features strong water resistance and reliable sealing, ensuring more accurate measurements.

FAQs - Water Leak Detector

1. What are the advantages of veswe water leak detectors?
  • Built-in waterproof sealing strip isolates the internal components from the external environment, providing strong protection against moisture and water ingress.
  • The cable outlet uses a PG7 waterproof connector, preventing circuit damage and ensuring device safety.
  • The probe is encapsulated in waterproof silicone, allowing reliable operation in harsh environments over long periods.
  • The PCB is treated with a protective coating to safeguard the circuitry against moisture, dust, and corrosion.
2. What is the working principle of a water leak detector?

Our water leak detectors use alternating-current technology to measure accumulated water, enabling accurate detection of leak events. Under normal conditions, the two probe electrodes are insulated by air. When water comes into contact, the two sensing lines are bridged, causing a change in current, and the sensor outputs a dry-contact signal.

3. What should I do after water leakage is detected?

First find out the leaking location, then close the main valve, repair the leaking place, clean up the stagnant water, and finally open the main valve.

4. Can the water leak detector be used normally after detecting water leakage?

You can continue to use the sensor after cleaning up the accumulated water of the water leak detector.

5. How to view data?

The leak detection rope is designed to detect conductive liquid leaks. When connected to our environmental monitoring host, any liquid intrusion along the rope triggers an alarm. Data can be viewed in real time via the cloud platform.

6. How to wire the water leak detector?

Wall-mounted RS485 model:
Brown wire –Power positive (10-30VDC)
Black wire–Power negative
Yellow wire–485-A
Blue wire–485-B

Wall-mounted switch output model:
Brown wire–Power positive (10-30VDC)
Black wire–Power negative
White wire (or green wire)–Relay normally open contact

DIN rail RS485 model:
V+–Power positive (10-30VDC)
GND–Power negative
S1 and S2–Water leak probes
485-A/OUT–485-A
485-B/COM–485-B

DIN rail switch output model:
V+–Power positive (10-30VDC)
GND–Power negative
S1 and S2–Water leak probes
485-A/OUT and 485-B/COM–Relay normally open contact

7. What detection methods are used in contact water leak detectors?

Contact water leak detectors use two monitoring methods: point-type leak detection and cable-type leak detection.

8. What is included in the package list?
  • Wall-mounted water leak detector * 1
  • Self-tapping screws * 2
  • Plastic anchors * 2
  • Certificate of conformity, warranty card, wiring manual
9. Why Can’t the water leak detector connect to a PLC or computer?
  • Possible reasons include:
    1. The computer has multiple COM ports and the wrong port is selected.
    2. Device address is incorrect or there are duplicate addresses (all devices default to 1).
    3. Incorrect baud rate, parity, data bits, or stop bits.
    4. Polling interval and response wait time on the host are too short; both should be set to 200 ms or more.
    5. RS485 bus is disconnected, or the A and B lines are reversed.
    6. Too many devices or overly long wiring; consider local power supply, using an RS485 repeater, and adding a 120 Ω termination resistor.
    7. USB-to-RS485 driver is not installed or is malfunctioning.
    8. Device is damaged.
10. Where can I download the manual of the water leak detector?

To protect the patented technical parameters, please contact us for a manual.

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우리 동료: Jack
전화/ 왓츠앱: +86 13418148929
이메일: contact@veswe.com
주소:1-4층, 269번 난다 하이웨이, 다시 거리, 판위, 광저우, 광동, 중국