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

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Presentation on theme: "N Liquid Leak Detection/Location Systems for piping, raised floors, semiconductor tools, containment piping, fuel systems and other applications."— Presentation transcript:

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

2 Company Profile n PermAlert is part of Perma-Pipe the largest prefabricated – preinsulated pipe manufacturer in the US n PAL-AT Leak Detection was introduced in 1988 and was the reason for founding PermAlert ESP n Sales Volume of the parent corporation (MFRI) is about US $178 million with over 500 employees worldwide

3 Art Giesler n Mechanical Engineer from UMR n Worked for York Air Conditioning n MBA from TCU n Hydro-Air, Inc. a manufacturers rep n PermAlert ESP n Projects: Social Security, VISA, IBM, Intel, AMD, HP, Exodus, Digital Island, US West, Nuclear Power Plants, DOE

4 PAL-AT Cable Systems and LiquidWatch Probe Systems PAL-AT Cable Systems and LiquidWatch Probe Systems n PAL-AT uses coaxial cables and probes to monitor for liquid leakage. The system can detect and locate leaks, breaks and shorts on the sensor cable as well as probe activations. n LiquidWatch is a probe monitoring system and can monitor up to 64 probes from a single panel. The probes are monitored for activation, breaks and shorts.

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

6 TDR Trace of Dry Cable

7 TDR Trace with Leak Detected

8 TDR Trace of System with Wet Cable

9 TDR Trace showing Growing Leak

10 Map 3 Response

11 Second Leak Detected

12 Monitoring with Liquid on the Cable

13 Break Detected

14 Short Detected

15 Probe Activated

16 PAL-AT Panels n AT20C - Monitoring up to 2,000 (600 m) on a single cable n AT50C - Monitoring up to 5,000 (1500 m) equivalent length on a single cable n AT20K - Monitoring up to 7,500 (2500 m) equivalent length per cable with a maximum of two cables n AT40K - Monitoring up to 5,000 (1500m) equivalent length per cable with a maximum of eight cables n AT80K - Monitoring up to 7,500 (2500 m) equivalent length per cable with a maximum of eight cables

17 Types of Cable PAL-AT n AGW Gold Sensor cable for use in containment piping, trenches, trays and subfloors and subfloors n AGT Gold Sensor cable for use in subfloors and trays. More sensitive than AGW n TFH Sensor cable for detecting hydrocarbons and solvents while ignoring water TFH n TFH

18 Types of Probes PAL-AT and LiquidWatch n PHL/PWS Solid state probes for hydrocarbon and conductive liquids n PSTV/PTHL/PFS Float switches for high/low level n PT10 (PAL-AT) Probe integrators and PA-10 (LiquidWatch) Probe Adaptors for dry contacts

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

20 Applications n Raised Floors - Data Centers, ISPs, Clean Rooms Telecommunication, Semiconductor, Office Bldgs Pharmaceutical n Piping - Containment piping, single wall piping, hydrocarbon piping, waste drains n Trenches and Trays - Under wet benches, piping and equipment n Generators, Electrical Switch Gear and Transformers for hydrocarbon leakage or water seepage n What ever needs liquid leakage detection that a probe or sensor cable can be used

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

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

26 Benefits of PermAlerts PAL-AT n Wet cable startup n Multiple Leak location capability n Location of Breaks n Detection of Shorts versus Leaks n Not susceptible to contamination from dirt/dust, etc. n Archive History Data n UL Listed, FM Approved, CE Approval available Class 1 Div 1 Groups C & D Sensor Circuits n Up to 8 circuits and 7,500 (2500 m) per circuit n Corrosion resistant sensor cables n Different cable types on the same circuit n EPA third party tested

27 Benefits of LiquidWatch n Modular in design allowing for easy expansion n Monitoring of probes for activation and the leader cable for breaks and shorts n History log of events n UL Listed for Class 1 Div 1, Groups C & D locations n Different probe types n Probe adaptor to allow interface of any dry contact probe device

28 Questions and Answer Period


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