The PAL-AT leak detection system from Permalert features a sensor cable and probe choices to serve a wide variety of applications.

A Permalert leak detection system consists of the PAL-AT leak detection control panel, sensing cable, and the probe. The cable and probe are collectively known as the sensing string.

Different Cables for Different Applications

There are a variety of sensor cables specifically designed for different kinds of liquids:

• AGW is a quick drying leak detection cable that will detect water based and hydrocarbon fluids
• AGT is a wicking leak detection cable specially designed for the detection of accumulations at a shallow depth of 1/16 inch of liquid under a raised floor.
• AGC is a wicking cable chemically resistant and designed to detect highly corrosive fluid leaks in clean rooms and under raised floors.
• FGH is a quick drying cable designed for high temperature applications of steam and hot water piping. This cable is rated up to 400° F.

Probes

Probes monitor for leaks at specific locations. There are several different leak detection probes available to monitor for water or hydrocarbons that can be connected in series to the sensing string:

• PHL Probe. This leak detection probe will only detect hydrocarbons, and is typically installed in the interstitial space of double wall tanks
• PWS Probe. PWS probes will detect water based fluids.
• PHW Probe. This leak detection probe is a float device to monitor for hydrocarbons in 4" diameter ground water monitoring wells.
• PFS Probe. PFS leak detection probes are float switches to monitor liquids in manholes, sumps, and other applications. It will detect leaks whether they be water or hydrocarbons.

How Good Is It?

The PAL-AT leak detection system will locate the point of origin of a leak to within 1% of the distance from the last calibration point, or 5 feet, whichever is greater. The control panel can monitor up to eight separate leak detection sensing zones having up to 5,000 ft. of cable. It stores date and time of all significant operating events, including power failure, faults, alarms, and silencing. It is protected by a security password to prevent unauthorized tampering or accidental memory erasure.

For additional assistance on the design of your system, complete our Survey Request Form and one of our professionals will contact you.

 

 

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