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Fisher XLT-30 manual

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Table of contents for the manual

  • Page 1

    XLT-30 Operating Manual Acoustical Leak Detector FISHER RESEARCH LABORATORY[...]

  • Page 2

    CONTENTS Introduction ........................................................................... pg. 1 Instrument Set ....................................................................... pg. 2 Faceplate & Control Panel ................................................. pg. 4 Operating Instructions ............................................[...]

  • Page 3

    INTRODUCTION Fisher Research Laboratory has always been a leader in the field of acoustical leak detection. From the early LT-10 through the XLT-20, high quality sound amplification has been synonymous with the name Fisher. Fishers XLT-30 takes leak detection to a new level. Ultra sensitive sound microphones, combined with a non-distortion amplific[...]

  • Page 4

    2 INSTRUMENT SET 1. Control Box All listening and filtering 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 Probe Also known as the Ground Microphone, this probe is to be used on hard surfaces, concrete, asphalt, tile, etc. A fl[...]

  • Page 5

    INSTRUMENT SET 3 On top of the Cylinder Probe is a three position toggle switch for Mute, Listen, and Momentary Listen. As with all Mute controls, learn to use them wisely. When tightening the sounds rods to the Hydrophonic Probe, secure the con- nector with a wrench as to not let it twist. Twisting of that connector could damage wiring on the insi[...]

  • Page 6

    CONTROL PANEL 4 POWER This pad turns the XLT-30 On or Off. When the instrument is turned Off, all settings, or modifications to settings default to the preset factory set- tings. LIGHT Depress 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. VOLUME Depress pad to modif[...]

  • Page 7

    5 (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. LO (Low Range) – Similar to the previous filter mode, the Low Pass filter a[...]

  • Page 8

    6 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. Depress 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[...]

  • Page 9

    7 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 traffic). The XLT-30 has a Notch, or reject fe[...]

  • Page 10

    Subject to improvement or modification without notice. Fisher Research Laboratory does not warrant suitability to specific use. Fisher Research Laboratory shall in no event be liable for any direct, incidental, consequential or indirect damages. SPECIFICATIONS Operating frequency Range All pass mode 60Hz - 6kHz Filter mode 60Hz - 2.4kHz Filter Type[...]

  • Page 11

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  • Page 12

    QUALITY Fisher detectors are renowned for their quality. Each detector is hand crafted in the USA with pride PERFORMANCE The worldwide underground utility industry relys on Fisher. Our instruments are durable, dependable, and search deeper.. REPUTATION Fisher produced the first patented metal detector in 1931. For over 70 years, the Fisher logo has[...]