FCS XMIC User Manual
XMIC
XMIC User Manual
®
Fluid Conservation Systems, Inc
502 TechneCenter Drive, Suite B
Milford, Ohio 45150
Phone (800) 531-5465
www.fluidconservation.com
Xmic 24/01/05
MAN-095-0001 Revision B © Palmer Environmental Ltd 2005
Page 1
Contents
Xmic Introduction 2
Warnings 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 Mode Screens 16
Guidance to Effective Acoustic Leak Detection 17
Xmic Technical Specification 20
Warranty 22
Xmic 24/01/05
MAN-095-0001 Revision B © Palmer Environmental Ltd 2005
Page 2
Introduction
The Xmic is an advanced, electronic ground microphone designed to amplify the
noise generated by water escaping from buried supply pipes under pressure. By
means of identifying the position of the loudest leak noise indicates the position
of the actual leak itself.
The Xmic system comprises a lightweight portable amplifier module complete
with battery charger, a pair of aviation-quality headphones and an acoustically
shielded ground microphone foot. As an optional extra, a hand-held listening
probe is available. This comes with a tripod foot and two probe rods for sounding
in soft ground.
The portable 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 supplied with the Xmic cannot be interchanged. The
impedance of the headphones is matched to the Xmic control unit during
manufacture.
Key features
• Sliding scale filter selection
• Backlit multi-function LCD display showing:
• Noise level graphically and digitally
• Dynamic sensitivity (signal strength)
• Settings and operation mode
• Levels of leak noise can be recorded for comparison in a histogram profile (MLP)
• IP65 enclosure
• Aviation-quality headphones with volume control
• Lightweight, easily portable system
• Membrane keypad
• Versatile – ground microphone and hand probe configurations
• Military specification connectors
• Robust construction for field use
• Rechargeable batteries (up to 25 hours use)
Xmic 24/01/05
MAN-095-0001 Revision B © Palmer Environmental Ltd 2005
Page 3
Warnings
Lithium ion batteries
The batteries supplied and fitted to the Xmic units are rechargeable lithium ion.
Do not short circuit or overcharge these batteries. Any misuse of these batteries
may result in explosion or fire. They must not be used in any other application or
used with any other equipment. Only batteries supplied by Palmer 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 break internal
components of the microphone resulting in irreparable internal damage.
Sensor replacement is then the only option.
Any necessary repair or dismantling of the foot must be carried out by Palmer
Environmental or by an authorised distributor.
If the sensor does become loose it should be tightened manually so that it is
“finger tight". Excessive force will cause damage.
Sensor: Do NOT attempt to unscrew
Page 4
System Description
Control unit – robust for field conditions
The control unit is the operator interface. It is very easily portable, and can be
carried by either hand or shoulder-strap. Its injection-moulded housing is purpose-
designed to provide long-term field durability and effective protection under realistic
site conditions and is environmentally rated 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 connectors.
Versatile leak noise sensing
The acoustically shielded ground microphone foot provides isolation from airborne
noise interference and can therefore be used in wet and windy conditions.
Standard equipment list:-
1. Control/amplifier module with adjustable
carry strap.
2. Acoustically shielded ground microphone
foot.
3. Aviation quality headphones.
4. Lithium ion battery pack and battery charger.
5. Carry case.
6. Cables.
7. Manual.
Xmic 24/01/05
MAN-095-0001 Revision B © Palmer Environmental Ltd 2005
Page 5
Optional Additional Equipment
A handheld sensor unit can be added to the system as an option, providing the
operator with the facility to use this as a smaller ground microphone with its tripod;
or to use it with probe rods to sound fittings in deep chambers or to use in soft
ground.
Xmic with optional handprobe,
tripod and probe rods.
Equipment list including optional extras:-
1. Control/amplifier module with adjustable carry strap.
2. Combined hand probe and ground microphone with integral cable.
3. Two 400mm stainless steel rods.
4. One short legged tripod.
5. Aviation quality headphones.
6. Lithium ion battery pack and charger.
7. Carry case.
8. Cables.
9. Manual.
Xmic 24/01/05
MAN-095-0001 Revision B © Palmer Environmental Ltd 2005
Xmic Overview
Page 6
Number 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 Adjustment
10 Context Sensitive Button
11 Context Sensitive Button
12 Context Sensitive Button
Xmic 24/01/05
MAN-095-0001 Revision B © Palmer Environmental Ltd 2005
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