Cable fault pre-location
Syscompact 2000 M pro
52 / 98
822-175-2
12.1 Safety instructions for cable fault location
WARNING
Potential differences between the system and the earth possible
Danger to life or risk of injury due to electric shock.
If a cable fault is located near to the system, there may be potential
differences between the system and the earth in surge mode.
Place the system at a distance of several meters to the cable route
or cable fault location.
If operating in ‘surge mode’, cordon off the system at distance of at
least 1.5 m.
During surge mode, people may only stand outside the cordoned off
area.
Before starting surge mode, check the cable route for potential
dangers.
12.2 Setting the general pre-location parameters on the IRG 2000
1. Press the
key until the buttons at the bottom for setting the general pre-location
parameters are displayed.
2. Set the desired pre-location parameters.
The following table provides an overview of the pre-location parameters that you can
define.
Pre-location
parameters
Settings
Function
Range
0 to 65 km,
AUTO
Is used to define the measurement range
Gain
-10 to 60 dB,
AUTO
Is used to set the input signal gain
The
AUTO
setting amplifies the input signal so that the
screen is used to its maximum capacity.
Velocity
50 to 150 m/μs
Is used to set the velocity of propagation (v/2)
Trig.Delay
(Can only be set
for the SIM/MIM method)
500 µs to 10 ms
Is used to set the time between the trigger and the start of the
measurement following the trigger
12 C
ABLE FAULT PRE
-
LOCATION
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