Liquid Leak Detection/Location Liquid Leak Detection/Location Systems for piping, raised floors, Systems for piping, raised floors, semiconductor tools, containment semiconductor tools, containment piping, fuel systems and other piping, fuel systems and other applicationsapplications

Company ProfileCompany Profile

PermAlert is part of Perma-Pipe the PermAlert is part of Perma-Pipe the largest prefabricated – preinsulated largest prefabricated – preinsulated pipe manufacturer in the USpipe manufacturer in the US

PAL-AT Leak Detection was introduced PAL-AT Leak Detection was introduced in 1988 and was the reason for founding in 1988 and was the reason for founding PermAlert ESPPermAlert ESP

Sales Volume of the parent corporation Sales Volume of the parent corporation (MFRI) is about US $178 million with (MFRI) is about US $178 million with over 500 employees worldwideover 500 employees worldwide

PAL-AT Cable Systems and PAL-AT Cable Systems and LiquidWatch Probe SystemsLiquidWatch Probe Systems

PAL-AT uses coaxial cables and probes to PAL-AT uses coaxial cables and probes to monitor for liquid leakage. The system monitor for liquid leakage. The system can detect and locate leaks, breaks and can detect and locate leaks, breaks and shorts on the sensor cable as well as shorts on the sensor cable as well as probe activations.probe activations.

LiquidWatch is a probe monitoring system LiquidWatch is a probe monitoring system and can monitor up to 64 probes from a and can monitor up to 64 probes from a single panel. The probes are monitored single panel. The probes are monitored for activation, breaks and shorts.for activation, breaks and shorts.

Time Domain Time Domain ReflectometryReflectometry

PAL-ATPAL-AT

TDR is a cable measuring technology TDR is a cable measuring technology related to sonar and radar. By related to sonar and radar. By sending energy pulses down the sending energy pulses down the center conductor of a coaxial cable center conductor of a coaxial cable and measuring the reflected energy to and measuring the reflected energy to the outer braid a map can be stored of the outer braid a map can be stored of the cable and monitored for change. the cable and monitored for change. When change occurs the type of alarm When change occurs the type of alarm and its location is displayed on the and its location is displayed on the panel. panel.

TDR Trace of Dry CableTDR Trace of Dry Cable

TDR Trace with Leak TDR Trace with Leak DetectedDetected

TDR Trace of System with Wet CableTDR Trace of System with Wet Cable

TDR Trace showing Growing LeakTDR Trace showing Growing Leak

Map 3 ResponseMap 3 Response

Second Leak DetectedSecond Leak Detected

Monitoring with Liquid on the CableMonitoring with Liquid on the Cable

Break DetectedBreak Detected

Short DetectedShort Detected

Probe ActivatedProbe Activated

PAL-AT PanelsPAL-AT Panels AT20C - Monitoring up to 2,000’ (600 m) on a AT20C - Monitoring up to 2,000’ (600 m) on a

single cablesingle cable AT50C - Monitoring up to 5,000’ (1500 m) AT50C - Monitoring up to 5,000’ (1500 m)

equivalent length on a single cableequivalent length on a single cable AT20K - Monitoring up to 7,500’ (2500 m) AT20K - Monitoring up to 7,500’ (2500 m)

equivalent length per cable with a maximum equivalent length per cable with a maximum of two cablesof two cables

AT40K - Monitoring up to 5,000’ (1500m) AT40K - Monitoring up to 5,000’ (1500m) equivalent length per cable with a maximum equivalent length per cable with a maximum of eight cablesof eight cables

AT80K - Monitoring up to 7,500’ (2500 m) AT80K - Monitoring up to 7,500’ (2500 m) equivalent length per cable with a maximum equivalent length per cable with a maximum of eight cablesof eight cables

Types of CableTypes of CablePAL-ATPAL-AT

AGW Gold Sensor cable for use in AGW Gold Sensor cable for use in containment piping, trenches, trayscontainment piping, trenches, trays

and subfloorsand subfloors AGT Gold Sensor cable for use AGT Gold Sensor cable for use

in subfloors and trays. More in subfloors and trays. More sensitive than AGWsensitive than AGW

TFH Sensor cable for detecting TFH Sensor cable for detecting hydrocarbons and solvents while hydrocarbons and solvents while ignoring waterignoring water TFHTFHTFHTFH

Types of ProbesTypes of ProbesPAL-AT and LiquidWatchPAL-AT and LiquidWatch

PHL/PWS Solid state probes for PHL/PWS Solid state probes for hydrocarbon and conductive hydrocarbon and conductive liquidsliquids

PSTV/PTHL/PFS Float switches for PSTV/PTHL/PFS Float switches for high/low levelhigh/low level

PT10 (PAL-AT) Probe integrators PT10 (PAL-AT) Probe integrators and PA-10 (LiquidWatch) Probe and PA-10 (LiquidWatch) Probe Adaptors for dry contacts Adaptors for dry contacts

LiquidWatchLiquidWatch

LiquidWatch has two basic panels. LiquidWatch has two basic panels. The LW64 is for use in normal The LW64 is for use in normal classified probe locations while the classified probe locations while the LW64IS provides a UL Listed System LW64IS provides a UL Listed System for monitoring in Class 1, Division 1 for monitoring in Class 1, Division 1 Groups C & D locations. The basic Groups C & D locations. The basic panel monitors up to eight probes panel monitors up to eight probes with modules being added for with modules being added for additional probe requirements. additional probe requirements.

ApplicationsApplications Raised Floors - Data Centers, ISPs, Clean Rooms Raised Floors - Data Centers, ISPs, Clean Rooms

Telecommunication, Semiconductor, Office Bldgs Telecommunication, Semiconductor, Office Bldgs PharmaceuticalPharmaceutical

Piping - Containment piping, single wall piping, Piping - Containment piping, single wall piping, hydrocarbon piping, waste drainshydrocarbon piping, waste drains

Trenches and Trays - Under wet benches, piping Trenches and Trays - Under wet benches, piping and equipmentand equipment

Generators, Electrical Switch Gear and Generators, Electrical Switch Gear and Transformers for hydrocarbon leakage or water Transformers for hydrocarbon leakage or water seepageseepage

What ever needs liquid leakage detection that a What ever needs liquid leakage detection that a probe or sensor cable can be usedprobe or sensor cable can be used

Palcom SoftwarePalcom SoftwarePAL-AT and LiquidWatchPAL-AT and LiquidWatch

Palcom allows remote control of up Palcom allows remote control of up to 254 panels with the ability to to 254 panels with the ability to review TDR traces, review the review TDR traces, review the history of each unit and to pull history of each unit and to pull down a Cad drawing for each down a Cad drawing for each system for location of leaks, system for location of leaks, breaks, shorts or probe breaks, shorts or probe activation's.activation's.

Archive DataArchive Data POWER LOST AT 8985 ON 18/95 RESTORED AT 0853 ON 5/8 YEAR CHANGED FROM 29 TO 98 AT 0853 ON 5/8 CABLE 1 SETUP, WITH LENGTH OF 514 FEET AT 0921 ON 5/8 LEAK DETECTED IN CABLE 3 at 225 FEET AT 1157 ON 5/8 ALARM ON CABLE 3 SILENCED AT 1157 ON 5/8 CABLE 4 SETUP, WITH LENGTH OF 538 FEET AT 1208 ON 5/8 SECURITY CODE 1 ENTERED, LEVEL 250 AT 1210 ON 5/8 NEW CABLE 4 REFERENCE, STORED AS MAP 1 AT 1210 ON 5/8 CABLE 4 MONITORING ON, MAP 1 AT 1210 ON 5/8/98 CABLE 4 RETURNED TO NORMAL AT 1211 ON 5/8 SECURITY CODE 1 ENTERED, LEVEL 250 AT 1217 ON 5/8 CABLE 3 SETUP, WITH LENGTH OF 833 FEET AT 1217 ON 5/8 NEW CABLE 3 REFERENCE, STORED AS MAP 1 AT 1217 ON 5/8 CABLE 3 MONITORING ON, MAP 1 AT 1217 ON 5/8/98 CABLE 3 RETURNED TO NORMAL AT 1218 ON 5/8 SECURITY CODE 1 ENTERED, LEVEL 250 AT 1225 ON 5/8 CABLE 2 SETUP, WITH LENGTH OF 815 FEET AT 1225 ON 5/8 NEW CABLE 2 REFERENCE, STORED AS MAP 1 AT 1225 ON 5/8 CABLE 2 MONITORING ON, MAP 1 AT 1225 ON 5/8/98 CABLE 2 RETURNED TO NORMAL AT 1226 ON 5/8 SECURITY CODE 1 ENTERED, LEVEL 250 AT 1231 ON 5/8 CABLE 1 SETUP, WITH LENGTH OF 514 FEET AT 1231 ON 5/8 NEW CABLE 1 REFERENCE, STORED AS MAP 1 AT 1231 ON 5/8 CABLE 1 MONITORING ON, MAP 1 AT 1231 ON 5/8/98 CABLE 1 RETURNED TO NORMAL AT 1232 ON 5/8 **********End of Archives**********

Benefits of PermAlert’s Benefits of PermAlert’s PAL-ATPAL-AT

Wet cable startupWet cable startup Multiple Leak location capabilityMultiple Leak location capability Location of BreaksLocation of Breaks Detection of Shorts versus LeaksDetection of Shorts versus Leaks Not susceptible to contamination from dirt/dust, etc.Not susceptible to contamination from dirt/dust, etc. Archive History DataArchive History Data UL Listed, FM Approved, CE Approval available UL Listed, FM Approved, CE Approval available

Class 1 Div 1 Groups C & D Sensor CircuitsClass 1 Div 1 Groups C & D Sensor Circuits Up to 8 circuits and 7,500’ (2500 m) per circuitUp to 8 circuits and 7,500’ (2500 m) per circuit Corrosion resistant sensor cablesCorrosion resistant sensor cables Different cable types on the same circuitDifferent cable types on the same circuit EPA third party testedEPA third party tested

Benefits of LiquidWatchBenefits of LiquidWatch Modular in design allowing for easy Modular in design allowing for easy

expansionexpansion Monitoring of probes for activation and Monitoring of probes for activation and

the leader cable for breaks and shortsthe leader cable for breaks and shorts History log of eventsHistory log of events UL Listed for Class 1 Div 1, Groups C & D UL Listed for Class 1 Div 1, Groups C & D

locationslocations Different probe types Different probe types Probe adaptor to allow interface of any Probe adaptor to allow interface of any

dry contact probe devicedry contact probe device

Questions and Answer Questions and Answer PeriodPeriod