Acre WM-2: Water Detector

Full Description

Precision Flood Detection with Dual Adjustable V2a Sensors

The Acre WM-2 is a high-reliability direct current water probe designed to detect the presence of conductive, non-combustible liquids in indoor environments. This essential sensor is a key component for Acre intrusion systems, providing early warning of leaks or flooding that could cause catastrophic damage to property and equipment.

The unit is supplied with 2 adjustable V2a-based water sensors (stainless steel), allowing for precise placement and calibration based on the specific requirements of the floor or surface being monitored. With an integrated buzzer and visual LED indicators, the WM-2 ensures that water ingress is noticed immediately.

Key Features Of The WM-2:

• Dual V2a Sensor Technology: Equipped with two high-quality, corrosion-resistant stainless steel (V2a) probes that are fully adjustable to ensure optimal contact with the detection surface.
• Integrated Audible Alarm: Features a built-in buzzer that emits a 75 dB signal (at 30 cm), providing localized alerting in the event of a leak.
• Versatile Alarm Output: Includes a changeover contact (SPDT) rated at 30 V / 1 A, making it compatible with a wide range of intrusion panels, sirens, or building management systems (BMS).
• Visual Status Indication: On-board LED indicators provide an immediate visual reference for the device’s power and alarm status.
• Reliable Construction: Encased in a durable S-B or ABS housing and rated to VdS environmental class II, ensuring consistent performance in indoor utility areas.
• Low Power Consumption: Operates with a very low current draw of just 8 mA, minimising the load on the security system’s power supply.

Technical Specifications:

• Power Supply: 9 to 16 V DC
• Current Consumption: 8 mA
• Alarm Output: Changeover contact (Max. 30 V / 1 A)
• Sound Level: 75 dB (at 30 cm)
• LED Indicators: Yes
• Housing Material: S-B or A-B-S
• Housing Protection: VdS environmental class II
• Operating Temperature: -10°C to +55°C
• Dimensions: 85 mm x 85 mm x 26 mm
• Manufacturers Data Sheet

Benefits:

• Early Warning: The WM-2: Water Detector detects water at the earliest possible stage, allowing for rapid intervention before significant damage occurs to flooring, server rooms, or archives.
• Corrosion Resistant: The use of V2a-based stainless steel for the probes ensures longevity and reliability, even in areas where moisture is frequently present.
• Easy Integration: The standard 12V operation and changeover relay make it a “plug-and-play” solution for most professional alarm controllers.
• Precise Calibration: Adjustable sensors mean you can set the detection height to avoid false alarms from minor cleaning moisture while still catching genuine leaks.

Ideal Applications:

• Data Centres & Server Rooms: Monitoring for leaks from air conditioning units or raised floor voids.
• Basements & Plant Rooms: Early detection of groundwater ingress or pump failure.
• Commercial Kitchens & Laundries: Detecting pipe bursts or appliance overflows.
• Museums & Archives: Protecting sensitive collections from plumbing failures in adjacent rooms.

The Acre WM-2 is an indispensable safety device for any comprehensive security installation. By combining high-grade V2a-based sensors with audible and relay outputs, it provides the robust flood monitoring necessary for modern facility management.