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Fisher Research Labs XLT-30 Operating Manual

Acoustical leak detector
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Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com
F I S H E R
XLT-30
Acoustical Leak Detector
Operating Manual
R E S E A R C H
OPTION A
with BIG FOOT
OPTION B
with NEW MULTI-SENSOR
OPTION C
with LITTLE FOOT
L A B O R A T O R Y

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Summary of Contents for Fisher Research Labs XLT-30

  • Page 1 Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com XLT-30 Acoustical Leak Detector OPTION A with BIG FOOT OPTION B with NEW MULTI-SENSOR OPTION C with LITTLE FOOT Operating Manual F I S H E R...

  • Page 2: Table Of Contents

    XLT-30, high quality sound amplification has been synonymous with the Fisher name . Fishers XLT-30 takes leak detection to a new level. Ultra sensitive sound microphones, combined with a non-distortion amplification system and crystal clear audio headphones make the XLT-30 the leak detector destined to set new standards for the leak professional.

  • Page 3: Instrument Set

    INSTRUMENT SET OPTION A OPTION C OPTION B...
  • Page 4 INSTRUMENT SET 1. Control Box All listening and fi ltering controls for the XLT-30 are contained in this sturdy housing. The function of each control is described in the section entitled “Faceplate and Controls”. 2. Big Foot Sensor - OPTION A Also known as the Ground Microphone, this sensor is to be used on hard surfaces, concrete, asphalt, tile, etc.
  • Page 5 INSTRUMENT SET 4. Sound Rods Two different sizes are included with the XLT-30. Rods give the user vari- ous lengths for direct or indirect contact to pipes. 5. T-Handle This handle is used primarily with the Cylinder Probe and the sound rods.

  • Page 6: Control Panel

    CONTROL PANEL POWER This pad turns the XLT-30 on or off. When the instrument is turned Off, all set- tings, or modifications to settings default to the preset factory settings. LIGHT Press Light pad to turn the back light on or off. Prolonged use of the back light will have minimal effect on the battery life of the XLT-30.
  • Page 7 Hold – The display of the XLT-30 will show the highest sound level recorded. This reading can be reset by pressing this pad. Resetting the Peak Hold clears earlier readings of the Peak sound.

  • Page 8: Operating Instructions

    1. Assemble control housing, headset, and your choice of listening probe. The headset must be plugged in for the XLT-30 to operate. 2. Press POWER pad to turn On the XLT-30. The XLT-30 goes through a five second warm up before the touch pads are functional. During this time, the display screen gives information of battery level.

  • Page 9: Use Of The Multi-Sensor

    This may be caused by nearby motors, fans, or many other annoyances. (Unfortunately, the most common are sounds caused by automobiles and traffi c). The XLT-30 has a notch, or reject feature, that will assist in eliminating that sound from your frequency range.
  • Page 10 USE OF THE MULTI-SENSOR (OPTION B) When utilizing the multi-sensor for direct connection to a pipe, or listening to buried pipes located in soft ground or under a turf surface, you will need to use the T- Handle and sound rods included with the unit.

  • Page 11: Specifications

    SPECIFICATIONS Subject to improvement or modification without notice. Operating frequency: 60 Hz – 6 kHz, Gain = 95 db 20 Hz – 60 Hz, Gain > 90 dB Filter types and frequency ranges: All Pass: 60 Hz to 6 kHz Low Pass: .......
  • Page 12 Q U A L I T Y Fisher detectors are renowned for their quality. Each detector is hand crafted in the USA with pride P E R F O R M A N C E The worldwide underground utility industry relys on Fisher. Our instruments are durable, dependable, and locate deeper.