PermAlert Leak Detection/Location Sensor Cables,
Probes and Float Switches

Water Based and Hydro/Chemical Sensor Cables

1.AGW - detects water based and hydrocarbon liquids

2.AGW-GOLD - detects highly corrosive liquids

3.AGT - detects water based and hydrocarbon liquids

4.AGT-GOLD - detects highly corrosive liquids

Hydrocarbon Sensor Cables

1.TFH - detects only hydrocarbons

2.TFH-GOLD - detects only hydrocarbons

Probes and Float Switches

1.PWS - water liquid probe

2.PHL - liquid hydrocarbon probe

3.PHFW - monitor well probe

4.PHFW-M - monitor well probe

5.PFS - float switch

6.PSTV - float switch

7.PTHL - high level float switch

For information about our preinsulated piping systems, visit the
Perma-Pipe/Ricwil Piping Products page.

For information about our secondary contained piping systems, visit the
PermAlert Piping Products page.

To view and download our product guide specifications and autocad detail drawings, view the
Guide Specifications and Drawings page.

Water Based and Hydro/Chemical Sensor Cables

1.AGW

AGW is a quick drying cable that will detect water based and hydrocarbon liquids. This cable is corrosion resistant for most applications and is used in secondary contained pipes and flat floors.

Specifications

Sensor cable shall detect water-based, chemical and hydrocarbon liquids. The cable can be flushed and dried in place and will not require replacement after a leak event of any volatile liquid. Tha cable shall have a breaking strength of at least 100 pounds (45Kg).

2.AGW-GOLD

AGW-GOLD is a quick drying cable that is chemically resistant and designed to detect highly corrosive liquid leaks such as acids, bases and solvents. Typical applications are secondary contained pipes in chemical installations, sub floors of clean room manufacturing areas, and high temperature applications such as steam pipe containement systems.

Specifications

Sensor cable shall be of fluoropolymer and polymer coated wire construction with no exposed metal parts. Cable shall detect water-based, chemical and hydrocarbon liquids. The sensor cable can be flushed and dried in place and will not require replacement after a leak event of any volatile liquid. The cable shall have a breaking strength of at least 100 pounds (45Kg) and shall be resistant to corrosion, abrasion, and most chemicals tested in accordance with exposure procedures in ASTM D-543.

3.AGT

AGT is a wicking cable specially designed for the leak detection of water-based and hydrocarbon accumulations at a shallow depth of 1/16" (2mm) of liquid in subfloor or other flat surface leak monitoring applications. This cable requires more drying time than AGW and is corrosion resistant for most applications. AGT can be strapped to above ground single-wall pipes.

Specifications

Sensor cable shall detect accumulations of water based and hydrocarbon liquids at a shallow depth of 1/16" (2mm) in subfloor or other flat surface applications. The cable shall be capable of being flushed and dried in-place and will not require replacement after exposure to any compatible or volatile liquid. The cable shall have a breaking strength of at least 100 pounds (45Kg).

4.AGT-GOLD

AGT-GOLD is a wicking cable that is chemically resistant and designed to detect highly corrosive acid, base, and solvent leaks in clean rooms, sub floors, above-ground single-wall pipes, and equipment applications. Like AGT, this cable requires more drying time than AGW.

Specifications

Sensor cable shall be of fluoropolymer and polymer coated wire construction with no exposed metal parts. Sensor cable shall detect accumulations at shallow depth of 1/16" (2mm) and be resistant to most acids, bases and solvents and be capable of being flushed and dried in place. The cable will not require replacement after a leak event of any compatible and/or volatile liquid. The cable shall have a breaking strength of at least 100 pounds (45Kg) and shall be resistant to corrosion, abrasion, and most chemicals tested in accordance with exposure procedures in ASTM D-543.

Hydrocarbon Sensor Cables

1.TFH

TFH is a wicking cable specifically designed to detect only hydrocarbons. This cable may be direct buried to a maximum depth of 20 feet (6m) to locate fuel leaks while ignoring the presence of water. This cable is ideal for monitoring single-wall pipes and tanks.

Specifications

Sensor cable is designed for direct burial to a maximum depth of 20 feet (6m). The cable shall be reusable, when dried, after exposure to gasoline or other volatile hydrocarbon liquid.

2.TFH-GOLD

TFH-GOLD is a wicking cable specifically designed to detect only hydrocarbons and be installed in corrosive applications. Applications include locations where hydrogen sulfide or other corrosive gases or liquids may be encountered, such as refineries and oil fields.

Specifications
Sensor cable shall have no exposed metal to vapors and/or liquids. The cable shall detect only hydrocarbons while ignoring water and water-based liquids. The cable is designed for direct burial to maximum depth of 20 feet (6m) and capable of providing a response time of not more than 4 minutes to most hydrocarbon liquids without losing its corrosion resistance.

Probes

1.PWS - Water based liquid probe

The PWS probe can easily be connected into a PAL-AT "sensor string" providing increased utilization of the PAL-AT capabilities. Each probe assembly includes a probe integrator with 60 feet (18m) of jumper cable to connect to the sensing string, and 20 feet (6m) of lead cable to attach the probe to the probe integrator.

The unique design of the PAL-AT probe integrator eliminates the need for additional power at the probe. Its solid-state stainless-steel construction allows the PWS probe to respond to all conductive liquids - water, acids, bases, chemicals, etc. The probe resets quickly after resets quickly after removal from the liquid.

2.PHL - Hydrocarbon liquid probe

The PHL probe can easily be connected into a PAL-AT cable "sensing string" providing increased utilization of the PAL-AT capabilities. Each probe assembly includes a probe integrator with 60 feet (18m) of jumper cable to connect to the sensing string, and 20 feet (6m) of lead cable to attach the probe to the integrator.

The unique design of the PAL-AT probe integrator eliminates the need for additional power at the probe. Its patented solid-state construction allows the PHL probe to respond to most liquid hydrocarbons but ignore vapors, thus virtually eliminating false alarms due to vapors. PHL is responsivve to a broad range of fuels and solvents. The probe resets quickly after removal from exposure to most volatile hydrocarbons.

3.PHFW - Monitor well probe

The PHFW monitoring well probe can easily be connected into a PAL-AT cable "sensor string" providing increased utilization of that PAL-AT capabilities. Each assembly increases a probe integrator with 60 feet (18m) of jumper cable to connect to the sensing string, and 20 feet (6m) of lead cable to attach the float switch to the probe integrator.

The unique design of the PAL-AT probe integrator eliminates the need for additional power at that probe. The TankWatch probe includes a junction box and contact adaptor in lieu of the probe integrator.

The PHFW is designed for use in 4 inch (100mm) monitoring wells where the sensor can hang vertically, extending into the water table to the bottom of the well. A weight attached to the sensor keeps it taut. The sensor filament responds to contact with selected hydrocarbons floating on the water by breaking, and/or releasing the weight, activating a switch. The probe is easily reset by replacing the filament.

4.PHFW-M - Monitor well probe

The PHFW-M probes are designed for use in applications such as manholes and fuel pits, where the sensor cable must detect hydrocarbons within .25 inch (6.5mm) of the bottom of the monitored area. If water enters the monitored area any fuel leaks will float on the water and be detected by the sensor. The probe's operation is identical to the PHFW probe and it includes a length of slotted PVC pipe to mount the probe.

5.PFS - Float Switch

The PFS float switch can easily be connected into a PAL-AT cable "sensor string" providing increased utilization of the PAL-AT capabilities. Each assembly includes a probe integrator with 60 feet (18m) of jumper cable to connect to the sensing string, and 20 feet (6m) of lead cable to attach the float switch to the probe integrator.

The unique design of the PAL-AT probe integrator eliminates the need for additional power at the probe. The TankWatch probe includes a junction box and contact adaptor in lieu of the probe integrator.

The PFS is a hermetically sealed reed float switch which signals the presence of liquids. The probe resets immediately after the liquid drops below the activation level.

6.PSTV - Float Switch

The PSTV float switch can easily be connected into a PAL-AT cable "sensor string" providing increased utilization of the PAL-AT capabilities. Each assembly includes a probe integrator with 60 feet (18m) of jumper cable to connect to the sensing string, and 20 feet (6m) of lead cable to attach the float switch to the probe integrator.

The unique design of the PAL-AT probe integrator eliminates the need for additional power at the probe. The TankWatch probe includes a junction box and contact adaptor in lieu of the probe integrator.

The PSTV is a hermetically sealed reed float switch which signals the presence of liquids. It is designed to fit into a double-walled tank's 2" standpipe. The probe resets immediately after the liquid is removed.

7.PTHL - High level float switch

The PTHL float switch can easily be connected into a PAL-AT cable "sensor string" providing increased utilization of the PAL-AT capabilities. Each assembly includes a probe integrator with 60 feet (18m) of jumper cable to connect to the sensing string, and 20 feet (6m) of lead cable to attach the float switch to the probe integrator.

The unique design of the PAL-AT probe integrator eliminates the need for additional power at the probe. The TankWatch probe includes a junction box and contact adapter in lieu of the probe integrator.

The PTHL is a hermetically sealed reed float switch which signals the presence of liquids. It is designed to be a high level alarm for single and double walled tanks. Typically, the probe is located to activate when the tank is 90% full. The probe resets immediately after the liquid drops below the activation level.

PermAlert Leak Detection/Location Products
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•PAL-AT - microprocessor-based leak detection location system for piping and stand-alone applications

•PALCOM - remote monitoring software for the PAL-AT system

•FluidWatch - monitors water leaks for small areas

•TankWatch- monitors organic liquid and water leaks in the interstitial space of tanks as well as float switches

•Sensor Cables - application specific coaxial cables for PermAlert's leak detection/location systems. This link leads you to a new Web page.

•Probes - application specific probes and float switches for PermAlert's leak detection/location systems. This link leads you to a new Web page.

PAL-AT®

1.PAL-AT is a patented, sophisticated microprocessor system with multi-sensing and remote monitoring capabilities.
Its advanced technology provides dependable around the clock surveillance of all monitored areas. PAL-AT models can monitor up to eight identical or separate sensing zones each having up to 5,000 feet of sensor cable. (Call PermAlert for distances over 5,000 feet.) Each sensor cable can be integrated with liquid probes and float switches for the monitoring of single- and/or double-wall piping and tanks. The PAL-AT system permits cost effective installation of complex systems, with its ability to integrate different cable types and probes. This efficiency allows the system to monitor for leaks in complex piping systems, tanks, subfloors and other sensitive work areas.

The extended range systems will allow monitoring over 10,000 feet on a single sensor string. PAL-AT is U.L. listed and FM approved to provide connections for intrinsically safe sensor circuits for use in Class 1, Division 1, Groups C and D hazardous locations when used with PAL-AT cables and probes. The system has been tested by a Third Party in accordance with U.S. EPA Guidelines.

•Product Features

•Locates multiple leaks without loss of accuracy or sensitivity

•Locates breaks and shorts

•Stores information with time and date

•User friendly •RS-232 serial port

•Accepts probe and cable sensors in one sensor string

•One cable for all liquids or multiple cables for differentiation (user's option)

•AT40K and 80K monitors up to eight separate cable strings when equipped with Cable Expansion Modules

•U.L. listed and FM approved to provide intrinsically safe sensor cable output circuits for Class 1, Division 1, Groups C & D Hazardous Locations.

PALCOM® Central Point Monitoring Software

The PALCOM software (available in both Windows and DOS versions) can centrally monitor up to 254 PAL-AT monitoring units. The software can continuously monitor the status and/or remotely operate each PAL-AT system. The archive feature keeps a record of all system events. Furthermore, should a leak occur, PALCOM has an optional patented Graphic Locator System (GLS) that displays the location of the leak on a CAD drawing.

Compliance for PAL-AT and PALCOM
The PAL-AT Leak Detection/Location System and PALCOM Communication Software System comply with the following definition of year 2000 compliance:

The ability for continued normal use of the System, such that neither the performance nor the functionality of the system will be affected by any changes to the date values caused by the arrival of the year 2000.

In particular:

1.No value for current date will cause any interruption of the system. 2.There is no manipulation of time-related data. The date/time information is used for history logging in the archives, which stores the last 900 events. 3.Leap year is included in the internal workings of the clock. 4.Date elements are represented without a century, but there are not manipulations involving the date element.

FluidWatch®

•The FluidWatch Leak Detection Monitoring Unit is engineered to monitor small areas for water leaks. Typical applications include unmanned equipment rooms, small raised floor areas and small tanks. The system continuously monitors the capacitance of the sensor cable and detects changes. Seconds after the coaxial sensor cable contacts water or water-based liquids, the unit enters into alarm. The sensor cable can be quickly dried in place after the leak is cleaned up and the system is back on-line.

FluidWatch uses an LED "traffic light" display to indicate status: green - normal; yellow - break; and red - leak. An audible alarm and two 250 VAC, 10A, SPDT activate relays when either a leak or break occurs. There are two operator buttons, one to test the system and the other to silence the alarm.

Internal jumpers are used to enable alarm silencing, to select cable sensitivity and to enable automatic silencing upon return of the system to normal conditions.

•Product Features •Senses water-based liquids within seconds of contact •Sensitivity from several inches to several feet •Durable sensor cable •Available in three different sensor length; 50 ft., 75 ft., and 100 ft. (15m, 30m, and 45m) •Comes in a kit, complete with 25 ft. (7.5m) of jumper cable, sensor cable, cable clips and cable tags

TankWatch®

•TankWatch PHMS Single Channel and PHM 10 Multi Channel probe monitoring units are engineered to meet a broad range of customer needs. The multi-channel system can be configured from one to 10 channels, with each channel capable of monitoring one dual probe or two single probes. The multi-channel modular design allows expansion to ten (10) channels by plugging in channel expansion cards and connecting probes. Modular construction permits plug-in pull-out service ease.

TankWatch employs an understandable "traffic light" display for status indication: green - normal; yellow - break; and red - leak. The unit enters into an alarm mode on any red or yellow condition, activating an audible alarm. A leak activates the system relay for external alarm or control functions. There are two operator buttons. One is used to test the system and other other to silence the alarm. This silence button can be disabled, via an internal jumper, to prevent unauthorized silencing.

TankWatch units are equipped with normally energized, 10 A, 240 VAC, DPDT relays; one relay for PHMS, four relays for PHM10. Any or all relays can be field set to respond to leaks. The alarm console can be located up to 5,000 feet from the probes. The system relays can activate an optional remote alarm.

Patented compact probes for TankWatch are solid-state design and respond in seconds, after contact with organic liquids or water. Hydrocarbon fumes or vapor have no effect, thereby virtually eliminating false alarms. There are probes available for monitoring ground water, brine levels in underground storage tanks and float switches for high/low level.

TankWatch can also monitor any switch (float switch, thermostat, high level switch, etc.) that is connected to the optional contact adapter.

•Product Features

•Solid state probe sensor technology

•Sensing of organic liquids and water within seconds of contact

•Vapor and gases are ignored

•Remote monitoring capabilities

•Broad detectable range of organic liquids

•Monitors optional switches

•U.L. Listed to provide intrinsically safe sensor output circuits for Class 1, Division 1, Groups C & D Hazardous Locations

•U.S. Patent 4,855,706

•Modified NEMA 12 Enclosure