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Fisher Research Labs M-97 Operating Manual

Valve, pedestal & box locator
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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 relies on Fisher.
Our instruments are durable, dependable and locate deeper.
R E P U T A T I O N
Fisher produced the first patented metal detector in 1931. For
over 80 years, the Fisher logo has been a mark of excellence.
2 - YEAR LIMITED WARRANTY
Proof of purchase is required to make a claim under this warranty.
NOTE TO CUSTOMERS OUTSIDE THE U.S.A.
This warranty may vary in other countries, check with your
distributor for details.
Warranty does not cover shipping costs.
S E R V I C E
Should you have any questions or problems, contact:
FISHER RESEARCH LABORATORY
1465-H Henry Brennan, El Paso, Texas 79936
Tel 1800-685-5050 Fax 915-225-0336
www.fisherlab.com email: info@fisherlab.com
According to FCC part 15.21 Changes or Modifications made to this device
not expressly approved by the party responsible for compliance could void
the users authority to operate this equipment.
8700004000
Rev2
011111
M-97
Valve, Pedestal & Box Locator
Operating Manual

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Summary of Contents for Fisher Research Labs M-97

  • Page 1 M-97 Q U A L I T Y Valve, Pedestal & Box Locator 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 relies on Fisher.
  • Page 2 Line Tracing (Pipe and Cable Tracing). Hard carrying case New to the M series is the ease with which the M-97 can be stored. Vinyl carrying bag Just compact the lower stem, twist the search coil 90 degrees, and fold the search coil flat.

  • Page 3: Features

    • Two knobs and a pushbutton for simple operation It is a good idea to establish a methodic search pattern. Avoid swinging the M-97 like a golf club, swing the detector side to side keeping the • Adjustable shaft with double locking stem search coil the same distance above the ground.

  • Page 4: Using Headphones

    On/Off Ground Rejection Control crete, asphalt, etc.), and press and release the Retune Button. This control turns the M-97 on and off. It is used to electronically balance the Lower the coil close to the ground. There should be little or no change M-97 to compensate for the natural mineral content of the soil or ground in the tone of the detector.
  • Page 5 XLT-17 Q U A L I T Y Fisher detectors are renowned for their quality. Liquid Leak Detector Each detector is hand crafted in the USA with pride P E R F O R M A N C E Treasure Hunters worldwide rely on Fisher. Our detectors are durable, dependable, and search deeper.
  • Page 6 CONTENTS Introduction ................pg. 2 Instrument Set ................pg. 3-4 Control Panel ................pg. 5-6 Operating Instructions ............... pg. 7 Use of the Multi-Sensor ............... pg. 8 Specifications ................pg. 9-10 Warranty ................Back Cover INTRODUCTION Fisher Research Laboratory has always been a leader in the field of acoustical leak detection.
  • Page 7 INSTRUMENT SET NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.

  • Page 8: Specifications

    INSTRUMENT SET SPECIFICATIONS Subject to improvement or modification without notice. 1. Control Box Operating Frequency All listening and filtering controls for the XLT-17 are contained in this sturdy 60 Hz – 6 kHz, Gain = 60 db housing. The function of each control is described in the section entitled 20 Hz –...

  • Page 9: Control Panel

    CONTROL PANEL Use of the Multi-Sensor The multi-sensor was designed for locating leaks in all types of surface conditions. The new sensor construction will allow leak detection to be performed on hard surfaces such as concrete, asphalt, tile, etc, as well as listening to water leaks under turf or soft surfaces.

  • Page 10: Operating Instructions

    OPERATING INSTRUCTIONS CONTROL PANEL Set Up FILTER 1. Assemble control housing, headset, and Multi-Sensor. The headset The XLT-17 has four different filtering modes. must be plugged in for the XLT-17 to operate. AL (All Frequencies) – This is the No Filter feature of the XLT-17. No 2.
  • Page 11 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 R E S E A R C H L A B O R A T O R Y...

  • Page 12: Table Of Contents

    CONTENTS Introduction ................pg. 2 Headphones ................pg. 2 Instrument Set ................pg. 3 Control Panel ................pg. 6 Operating Instructions ..............pg. 8 Use of the Multi-Sensor ..............pg. 9 Specifications ................pg. 11 INTRODUCTION Fisher Research Laboratory has always been a leader in the field of acoustical leak detection.

  • Page 13: Instrument Set

    INSTRUMENT SET OPTION A OPTION C OPTION B...

  • Page 14: Instrument Set

    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 15 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 16: 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 17 CONTROL PANEL (The following filter modes have a frequency range from 60 Hz to 2.4 kHz) HI (High Range) – This filtering mode allows the user to adjust the response in the higher areas of the frequency range. Use the arrow keys to increase or decrease this frequency response range.

  • Page 18: Operating Instructions

    OPERATING INSTRUCTIONS Set Up 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.

  • Page 19: Use Of The Multi-Sensor

    OPERATING INSTRUCTIONS Use of the Notch Filter Occasionally, you may come across a sound that may be masking or covering your ability to adequately hear any leaks. This may be caused by nearby motors, fans, or many other annoyances. (Unfortunately, the most common are sounds caused by automobiles and traffi c).

  • Page 20: Specifications

    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 21: 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 22 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.

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