Leakage detection using cable sensor and spot sensor

Water leakage.jpg


Introduction


Water or liquid damage caused by leaks can cause serious damage over time if not prevented in time and can cost businesses millions of dollars worth of damage. Water leaks are the most common reasons for data loss, equipment failure or facility damage. The loss of critical data can be devastating to a business, and no amount of money can bring it back once destroyed. By triggering an alert to be sent via E-mail or SMS text message to the personnel a company can have the peace of mind knowing that equipment is safe.


System description


Vutlan offers a very powerful, and potentially money saving water leak detection system offering: leak detection cable sensors; water leak spot sensors; monitoring systems with built-in notifications (SNMP, E-mail, SMS, Syslog) for notifying the personnel; 12V control of alarm beacons and strobe lights; relay and dry contact outputs for control of devices.

Vutlan water leakage detection system advantages include:

  • Choice between "WDC / Water leak detection rope", "WLC / Water leak cable" and "VT590 / spot sensor"
  • Detectable liquids include clean, polluted and distilled water; acids; alkalis; alcohols and other electrically conductive liquids
  • Damage to the sensor does not cripple the entire monitoring system.
  • A robust web interface that gives the ability to independently track many leaks at once, with local, networked or remote alarms and diagnostics.
  • Different length of leak detection ropes/cables is availble and may be deployed on one floor or many levels of the building while being centrally monitored from the most effective locations.
  • Possibility to extend the WLC leakage cables by connecting them to each other.
  • Support of SNMP for integration to building management systems, E-mails, SMS and Syslogs.
  • Configuration options that automatically shut off equipment or pumps/valves where appropriate (e.g. using dry contact outputs or relays).
  • Ability to monitor up to 72 leak sensors independently of each other.

"VT591 / Water leak sensor", "WLC / Water leakage cable", "WDC / Water detection rope"

"VT591 / Water leak sensor" is an early warning system for large areas which alerts the personnel or the operator at the operation center at the instant when a few drops of water appear. The whole area can be effectively monitored by placing the leak cable or leak rope near or along possible flood sources. VT591 can connect either "WLC / Water leakage cable" or "WDC / Water detection rope". The sensor reacts to just a few drops of liquid on WDC rope or WLC cable. WDC can also detect the emergence of moisture. The cable is flexible and easy to install. VT591 is an analog plug-and-play sensor, it is integration friendly and quick to reset. After the flooding, the leak detection cable can be dried and reused. Sensor does not produce false alarm signals when bent or twisted. Specifications are as follows. Full description, technical specifications and manual are available at product page: VT591 / Water leak sensor WLC / Water leak cable

VT591 WLC water leak detection cable connection.jpg

VT591 WDC water leak detection rope connection.jpg

VT591 / Water leak sensor specifications:

  • Size: 60×18×18 mm
  • Weight: 60 g
  • Inputs: RJ-12 / RJ-11
  • Operating temperature: Min. -10° C - Max. + 80° C
  • Operating humidity: Min. 5% - Max. 95% (Non-Condensing)
  • Mounting: Wall mount
  • Max. distance from RMS: 100 m
  • Power Consumption: 60 mW
  • Response time: 15 sec
  • Recovery time: Depends on how fast the sensor dries out
  • Package includes: Sensor, Mounting bracket, Nuts М4, Screws, Sticker, Terminal plug

Water leak cable Vutlan.jpg

WLC / Water leak cable specifications:

WLC can work in high humidity, pollution and hazardous waste

  • Detectable liquids: clean, polluted & distilled water; acids; alkalis; alcohols and other electrically conductive liquid
  • Inputs: 2 wires
  • Diameter: 5.5 mm diameter
  • Lengths: order options include 10m, 15m, 25m, 50m or custom length.
  • Weight: 26 g/m
  • Operating humidity: 0° - 100 %
  • Max. cable length: 225 m
  • Package includes: One self-adhesive holder for each 2 meters of cable.
WDC Water detection rope.jpg

WDC / Water detection rope specifications:

WDC can detect moisture (works until the dew point) and does not welcome pollution!

  • Detectable liquids: clean, polluted & distilled water; acids; alkalis; alcohols and other electrically conductive liquid
  • Diameter: 3 mm diameter
  • Lengths: order options include 6m, 10m, 17m, 25m, 50m or custom length.
  • Weight: 15 g/m
  • Operating temperature: Min. -50° C, Max. 105° C
  • Max. rope length: 225 m
  • Conductor: 27% Ni


WLC and WDC examples


Vutlan water detection cable rope sensor.jpg

Multiple spot liquid leakage detection

Vutlan water detection rope/cable can cover large areas and multiple spots for up to 225 meters. if there's emergence of liuid anywhere along the rope, the system may send early warning to the appropriate personnel.

Vutlan perimeter water leakage detection.jpg

Typical uses include:

  • Below raised floors
  • Along plumbing walls and under windows
  • At drip trays and in overhead piping
  • Under pipelines, sump pumps
  • Under and around boilers, chillers, freezers and etc.
  • Around potentially leaking equipment
Vutlan WLC raised floor leakage detection.jpg

Example: Leakage detection under raised floors

Raised floors, used sometimes in offices, server rooms, data centers are also particularly vulnerable. Monitoring the status of concealed cables and wires beneath floor panels may be difficult. Cables may be soaking in water for a long period before anyone notices.


VT590 / Spot water detector

When water is in contact with the metal cores, the sensor indicates the emergence of moisture. Sensor should be mounted in such a way that it's metal cores should be pointing downwards as close as possible to the floor/surface where potential leakage may be. Full description, technical specifications and manual are available at product page: VT590 / Spot water detector

VT590 Vutlan spot water detector sensor.jpg

VT590 / Spot water detector specifications:

  • Size: 60×18×18 mm
  • Weight: 125 g
  • Inputs: RJ-12 / RJ-11
  • Operating temperature: Min. -10° C - Max. + 80° C
  • Operating humidity: Min. 5% - Max. 95% (Non-Condensing)
  • Mounting: Wall mount
  • Max. distance from RMS: 100 m
  • Power Consumption: 60 mW
  • Cable length: 2 m

Spot sensor examples




Vutlan water leakage detection spot sensor.jpg

Spot leakage detection

VT590 is used to detect pooling/dripping water and is best placed directly beneath equipment or in low-lying areas. For example, the most common reason for flooding server rooms is from leaking CRAC units. The best way to manage this is by deploying a spot water sensor underneath the drip pan of the CRAC unit.


Scalability and Preferences


Analog sensors using CAN bus (Vutlan).jpg

Scalability:

It is possible to connect up to 68 water leak sensors to a monitoring unit using "VT408 / Extension unit for analog sensors" on a CAN bus port.

VT531 water leak sensor preferences (Vutlan) (2).jpg

VT591 preferences in web interface:

Inside Vutlan web interface You can change sensor's name, behaviour (normal or reverse); see sensor's graph or export it's data in XML or CSV formats.








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