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Xmic

24/01/05

MAN-095-0001 Revision B

© Palmer Environmental Ltd 2005

Page 13

Preset Filter for High and Medium
Frequencies

Used on plastic (MDPE) pipes.

The frequency spectrum indicator bar
shows both medium and higher
frequencies are allowed through.  Low
frequencies are filtered out.

Adjustable Filters - Bandwidth

Pressing the Mode Select button
(red button on left-hand side of
screen) once will bring the user to
the opposite screen where he/she
may enter their own filters
according to the job in hand.

The bandwidth of the frequencies
allowed through can be adjusted
using the double-headed arrow
buttons as shown here.

Содержание XMIC

Страница 1: ...XMIC XMIC User Manual Fluid Conservation Systems Inc 502 TechneCenter Drive Suite B Milford Ohio 45150 Phone 800 531 5465 www fluidconservation com...

Страница 2: ...rnings 3 System Description 4 Optional Additional Equipment 5 Xmic Overview 6 Preparing the Xmic for Use 8 Using the Xmic 9 Filter Selection 10 Survey Mode 10 Survey Mode Screens 11 MLP Mode 15 MLP Mo...

Страница 3: ...rtable amplifier module has an LCD display and the advanced easy to use features of the Xmic enable the operator to pinpoint leaks faster and with more confidence than ever before Note The headphones...

Страница 4: ...mer Environmental must be used Microphone foot warning The Microphone foot has a sensor attached that can be seen from the bottom of the unit Users must not attempt to unscrew this sensor as this will...

Страница 5: ...ed to IP65 The control unit has a membrane keypad with push key operation and a backlit multifunction LCD display The interface to the headphones charger and microphone are via military specification...

Страница 6: ...ipod or to use it with probe rods to sound fittings in deep chambers or to use in soft ground Equipment list including optional extras 1 Control amplifier module with adjustable carry strap 2 Combined...

Страница 7: ...r Description 1 Mute Button 2 Mode Select 3 Dynamic Acoustic Signal Level meter 4 Battery Status 5 Power On Off and Back Light 6 Gain Level 7 Gain Increase Decrease 8 Battery Charging LED 9 Contrast A...

Страница 8: ...Xmic 24 01 05 MAN 095 0001 Revision B Palmer Environmental Ltd 2005 Page 7 Number Description 1 Headphone and Charger Socket 2 Sensor Socket 3 Retaining Screws for Battery Compartment...

Страница 9: ...le the batteries are charging However it can be turned on a sensor can be plugged in and a meter reading will be given but there will be no sound as the headphones are not connected during battery cha...

Страница 10: ...n and remain switched on until this same button is pressed again unless it is left unused To switch the unit off the On off switch must be pressed and held down for 3 seconds Headphones mute To switch...

Страница 11: ...can be filtered out via the bandpass bandwidth and filter position buttons There are two modes of operation survey mode and minimum level profiling mode MLP Survey Mode In survey mode the gain level c...

Страница 12: ...Screens Preset Filter Screen This is the initial screen which appears when the Xmic is switched on Adjustable Filter Screen Pressing the Mode Select button red button on left hand side of screen once...

Страница 13: ...lt screen showing no filters have been applied Frequency spectrum indicator bar shows that all frequencies are available Preset Filter for High Frequencies Used on metal pipes The frequency spectrum i...

Страница 14: ...higher frequencies are allowed through Low frequencies are filtered out Adjustable Filters Bandwidth Pressing the Mode Select button red button on left hand side of screen once will bring the user to...

Страница 15: ...To access this screen press the second button from the left bottom row whilst in the adjustable filters screen see previous page Pressing this button again will revert to the previous screen The posit...

Страница 16: ...ds the minimum noise over three seconds As each recording is made the histogram graph is built up showing the difference between each reading visually and numerically making noise level comparison a s...

Страница 17: ...readings have been taken by stepping the ground microphone along the length of the pipe and pressing the sample button at each position Press the Mode Select button to display the MLP screen The freq...

Страница 18: ...er the pipe the diameter wall thickness and material of the pipeline and the quantity of water leaking A small orifice or hole and high water pressure generally produces a higher frequency noise Often...

Страница 19: ...oise sources such as consumer draw off or partially closed valves be eliminated by logical site inspection practices prior to any excavation taking place Hand probe For normal soft ground surfaces the...

Страница 20: ...f comparing a number of leak noises Select the most suitable sensor device the microphone foot for hard ground surfaces or the hand probe for soft ground Operate the ground microphone and adjust the h...

Страница 21: ...ry 2 x Lithium ion 1 8Ah rechargeable batteries Battery life Minimum 25 hours without backlight Battery charge Maximum 8 hours Charger Universal 110 240V AC mains charger with 12V DC output Weight 1kg...

Страница 22: ...ic High Pass 75Hz Low Pass 3kHz Broadband High Pass 30Hz Low Pass 3kHz Microphone High sensitivity piezo electric sensor mounted in windproof nitrile rubber housing Low noise 1 5m cable detachable Wei...

Страница 23: ...er Drive Suite B Milford Ohio 45150 Toll free 800 531 5465 Fax 513 831 9336 Web www fluidconservation com Note Fluid Conservation Systems Inc reserves the right to change products services and or spec...

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