Amprobe CT-326-C Руководство пользователя - Страница 17
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Wire to Wire Shorts
1. Use an ohmmeter to locate the shorted pair of conductors.
2. Disconnect the conductors from power.
3. Plug the pigtail connector into the transmitter.
4. Attach one of the pigtail connector's insulated clip leads to either of the shorted conductors.
5. Attach the other lead to either pole of a 9 volt battery (or other power source).
6. Connect the other pole of the battery to the other shorted conductor.
7. The transmitter's LED will blink to indicate that it is operating and that current is flowing
from the battery, through the Transmitter, and returning on the shorted conductors.
8. Turn the receiver's range switch to "Long Range-9)
9. Press the receiver's "ON" button and wait for it to calibrate.
10. Holding the probe's tip as close to the shorted conductors as possible, move away from the
transmitter. Observe the receiver's LEDs for a dramatic change in signal strength. This will be
the location of the short.
NoTE: For best results, it may be necessary to remove loads from the shorted circuit.
Shorts to Ground
1. Locate the tripped circuit breaker and make sure the switch is in the OFF position. You may
be able to locate the tripped breaker by using the methods described in "Open Breakers"
2. lug the pigtail connector into the transmitter.
3. Attach one of the pigtail connector's insulated clip leads to the shorted power line.
4. Attach the other lead to the "hot" conductor of an adjacent breaker. As an alternative,
attach this lead to a grounded 9 volt battery or other power source.
5. The transmitter's LED will blink to indicate it is operating and that current is flowing from the
adjacent breaker or power source through the transmitter, using the shorted line as a neutral,
and going to ground where the short occurs.
6. Turn the receiver's range switch to "Scan-6.'
7. Press the receiver's "ON" button and wait for it to calibrate
8. Holding the receiver's tip close to the shorted wire, move away from the transmitter. Observe
the receiver's LEDs for signal strength.
Computer Coax Gables
1. Plug the pigtail connector into the transmitter.
2. Attach one of the pigtail connector's insulated clip leads to the shield of the coax cable.
3. Attach the other lead to a grounded 9 volt battery.
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