Reed Instruments R9100 - Operating Instructions; Leak Detector Operation; Leak Detection Notes

5
Operating Instructions
Leak Detector
1. Plugtheheadphonesintotheheadphonejack.
2. Press and hold the TEST button. At this point, you can hear a
"tickingtone"throughtheheadphonesconrmingthatthedetector
is activated.
3. Startbyadjustingthevolumeoftheheadphonestoasuitablelevel,
thenadjustthedetectorsensitivitytoadesiredlevel.
Note: Rotate the sensitivity wheel upwards to decrease sensitivity. Rotate
downwards to increase sensitivity.
4. Continue to press and hold the TEST button while moving the probe
around the seals of the suspected area. Once the detector picks
uptheultrasonicsoundgeneratedbyaleak,the"tickingtone"
willincreaseinfrequencyandthe"LEAK"LEDlightwillturnON.
The closer the probe moves towards the leak, the frequency of the
"tickingtone"increases.
5. Once the leak is located and repaired, retest with the detector to
conrm there is no longer a leak.
Notes:
• Therearemanyfactorsinvolvedintheultrasonicleakdetection,such
as the pressure within the vessel under test, shape & size of the hole,
temperature, etc. In some cases, the ultrasonic sound emitted is very
weak. Always start by setting the detector's sensitivity to the highest
level at the beginning of the test.
• Ifthedetectedultrasonicsoundistoointensemakingitdifcultto
pinpointtheleakbecausethe"tickingtone"istoohigh,
decrease the sensitivity.
• Asultrasonicsoundattenuatesrapidlywhenittravelsovera
distance, move the detector as close as possible to the suspected leak.
Remember to always decrease the sensitivity if necessary. During
testing, move the probe slowly.
Transmitter
Thetransmittercansupplyultrasonicsignalswheregas/airleaksdonot
have sufcient pressure to create an ultrasonic sound.
continued...
REED Instruments
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