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4. Operation sequence in liquids leak detection mode
Equipment used:
4.1 Connection of sensors and check the receiver operability
1. Connect acoustic sensor and
headphones to the corresponding
3.In the start window on the receiver display:
Check the accuracy of
sensor connection. If a «no
sensor» symbol is lit on the
display
,,check if the
sensor is connected
Check the charge status of the batteries (the charge
should be no less than 4,0 V). If the battery charge is low,
replace the batteries
CAUTION!!
During leak detection works one should have a detailed diagram of underground
utilities. If there is no diagram, a preliminary pipeline route location should be
conducted. The level of valid signal and signal interference depends on the accuracy
of acoustic sensor placement over the pipeline axis.
Receiver
AP 027
receiver connections
Acoustic sensor
AD-227
8
Headphones
2. Turn on the
Receiver AP-027
Select the received
signal type «leak»
by any of ▲/▼buttons
Set the necessary
level of receiver display
backlighting, using
◄/► buttons
Fig. 4.1
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