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Model HL5000

Elec t roac oust ic Leak Loc at or

Operation Manual

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Summary of Contents for HL5000

Page 1: ...Model HL5000 Elec t roac oust ic Leak Loc at or Operation Manual...

Page 2: ...delines of ISO 9001 and ensures quality in its design development production installation and servicing disciplines Metrotech Corporation 2006 Metrotech Corporation 3251 Olcott Street Santa Clara CA 9...

Page 3: ...chments 9 3 2 Turning the unit On 9 3 3 Headphone Volume and Microphone Amplification Gain 10 3 3 1 Setting the Volume 10 3 3 2 Setting the Gain 11 3 4 The Main Screen 12 3 5 Filter Settiing HL 5000 P...

Page 4: ...e plate with locking screws 5 Fig 4 PAM U 40 with sensor rod 7 Fig 5 PAM U 40 with magnet 7 Fig 6 Headphones 8 Fig 7 Display at switch on 9 Fig 8 Main Screen w Main Menu 10 Fig 9 Soft Keys for Setting...

Page 5: ...f a leak and the total current sound value In addition the results of each measurement can be automatically stored for a comparison of leak sound levels along a series of sequential listening points s...

Page 6: ...e waterproof connection to the receiver The headphones are connected via a watertight mono instrument plug 1 3 Technical data Analysis bandwidth 0 Hz 4000 Hz Filter cut off frequencies 0 70 Hz 106 Hz...

Page 7: ...er w professional software universal PAMU40 microphone magnetic adapter cable 2 extension rods contact point tri point ground plate hard case and operation manual 1 4 4 HL 5000 4 Includes receiver w p...

Page 8: ...ndard Pro control panel 2 2 Connection of Components and Accessories The HL 5000 is designed specifically for use with Metrotech components and accessories Attempting to connect other headphones or mi...

Page 9: ...compartment loosen the two screws on the underside of the unit and remove the base plate Fig 3 Eight AA batteries power the HL 5000 When installing or replacing batteries in the unit be sure that the...

Page 10: ...ollowing sections detail each of the two microphones and the various configurations of the PAM U 40 2 6 1 GM50 The GM 50 is an active piezo ground microphone for use on pavement and other hard surface...

Page 11: ...s allow it Extension rods give the operator the option of maintaining a comfortable upright position while working or to reach deeper contact points They also however can provide greater exposure to w...

Page 12: ...etic contact point This will help prevent possible damage to the microphone cable 2 7 Headphones The supplied headphones with ambient sound insulation come standard with the HL 5000 These electro dyna...

Page 13: ...rning the Unit On After attaching both a microphone and the headphones press the On Off button on the control panel of the unit The welcome screen displaying the current software version number and th...

Page 14: ...ty of leak detection situations 3 3 1 Setting the volume The user can set the headphone volume by using the two soft keys on the far right of the front panel see Fig 9 Note Adjusting headphone volume...

Page 15: ...ion involves measuring the leak sound level at a number of different points along the line and then comparing the measurements to one another to determine the point at which the leak sounds are loudes...

Page 16: ...and unchanging like those caused by a water leak from those that are caused by elements of the surrounding environment The levels of each type of sound are then displayed by separate bar graphs on th...

Page 17: ...ged in ascending order 0 70 106 160 240 360 540 800 1200 1800 4000 Hz and each of these smaller frequency bands is called a filter Any sound that the HL 5000 hears and analyzes is broken down into the...

Page 18: ...le on the Filter Selection screen allowing the user to decide when it is appropriate to change the filter settings but only sounds generated by the selected frequencies filters will by measured by the...

Page 19: ...15 Fig 12 Filter settings Fig 13 Adjusting the lower filter cut off frequency Fig 14 Adjusting the upper filter cut off frequency...

Page 20: ...quency 106 540 Hz leak sounds on metallic and other high density pipe materials like asbestos cement tend to be higher frequency 360 1200 Hz In addition because the ground itself muffles sound leak so...

Page 21: ...rn to the areas where the suspected leak sound was loudest and measure the leak sound level using the selected filters The point at which the filtered leak sound is loudest pinpoints the location of t...

Page 22: ...ter the unit is in memory mode will put the unit in stand by mode and store the current memory measurement Pressing it a second time brings the unit out of stand by mode and activates the next measure...

Page 23: ...ess the ESC soft key 3 9 Continuous Measurement HL5000 Professional Continuous Measurement mode allows the operator to set the microphone in position and monitor sound levels at that location over sho...

Page 24: ...when the valve was opened again Fig 17 Continuous Memory Measurement Display Pressing the ESC soft key will exit the continuous measurement mode and return the user to the main screen 3 10 Pipe Locat...

Page 25: ...by the operator see Filter Setting section 3 5 2 Once placed in Line Location Mode the HL 5000 will stay in line location mode until it is switched off When the unit is turned on again it will be in n...

Page 26: ...eplace batteries 4 2 Battery Monitor Does Not Function Check to make sure all batteries are correctly installed Replace batteries 4 3 No sound can be heard Check the headphone connection Press the mut...

Page 27: ...6210 Tel 1 408 454 7159 Fax 1 408 743 5597 Email applications metrotech com Service Repairs T Free 1 800 638 7682 Tel 1 408 962 9990 Fax 1 408 734 1799 Email service metrotech com All Other Department...

Page 28: ..._____________________________ Gas oil petroleum or other gaseous materials Yellow ______________________________________________ Sewers storm and sanitary drain lines Green ___________________________...

Page 29: ...erchantability and fitness for a particular purpose Metrotech shall not be liable for errors contained herein nor for incidental or consequential damages from the furnishing of this information This m...

Page 30: ...ts other than those approved by Metrotech Warranty does not include batteries Expendable items such as fuses and lamps are excluded Any detection product proved defective under this warranty will be r...

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