Detail FISHER XLT-30A Acoustical Leak Detector
FISHER XLT-30A Acoustical leak detector
Version A: With the Big Foot Probe Also known as the Ground Microphone,
this sensor is to be used on hard surfaces, concrete, asphalt, tile, etc. A fl exible
rubber shield helps pre- vent outside sounds from interfering with the sounds
from the buried pipe. Press and hold the red button near the handle to mute the
audio from the probe and suppress loud sounds when the probe is moved.
Kit also includes:
1. Hydrophonic Cylinder Probe
This probe is a direct contact probe designed to make direct connection to the pipe,
or any portion of the pipe that is accessible. Used in any combination of Sound Rods
with the T-Handle, pipes can be accessed
to distances up to nearly 6 feet away. Another feature of the Cylinder Probe is the
ability to listen to pipe noise in pipes that are buried in turf, or soft surfaces. Accurate
pipe location is essential for the placement of the Ground Rods as close to the pipe as
possible. 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 connector with a wrench as to not let it
twist. Twisting of that connector could damage wiring on the inside of the probe.
2. Sound Rods
Two different sizes are included with the XLT-30. Rods give the user various lengths
for direct or indirect contact to pipes.
This handle is used primarily with the Cylinder Probe and the sound rods.
These headphones are designed to deliver the clearest sound with the least distortion.
The Volume knob can be used to adjust the audio level. Unplugging the headphones will
turn off the XLT-30. When the XLT-30 is turned off, any modifications to the Volume,
Notch, and Filter will return to the factory presets.
5. Probe Cable
This cable attaches at the back of the Control Housing to any of the various probes.
Make sure the jack is fully inserted and the lock nut is hand tightened.
6. Carrying Strap/ Housing Mounting Bracket
The attachment system for the XLT-30 consists of a plastic mounting bracket that slides f
rom the bottom of the control housing up to the bezel around the faceplate.
There are two slots for attaching an adjustable strap that hangs around the neck of the user.
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 : Adjustable cut-off frequency from 150 Hz to 2.4 kHz
High Pass : Adjustable pass band frequency from 150 Hz to 2.4 kHz
Band Pass : Adjustable center frequency from 150 Hz to 2.4 kHz
Notch Filter : Adjustable center frequency rejection from 150 Hz to 2.4 kHz
Can be used simultaneously with any filter option
Audio : High performance headphones ( 64 ohms)
Visual : LCD bar graph and 2-digit numeric display
Grade of Protection : Splash Proof
Battery Test : Automatic
Battery Quantity/ Type : 2 / 9V Alkaline
Battery Life : 50 Hours ( approximately)
Shipping Weight : 20
Power Supply : Two 9V Batteries
Manufacturer : Fisher M-Scope
MPN : XLT-30A
Manufacturer Warranty : 2 Years
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