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Controls and Indicators
50
Ω
Term LED
This LED lights when the output signal path
in the probe is actively terminated to 50
Ω
.
For the LED to correctly indicate the probe
termination, you must degauss the probe after
you connect it to the oscilloscope, or if you
change the oscilloscope termination while the
probe is connected to the oscilloscope.
When you connect the probe to a 1M
Ω
input host, the
50
Ω
Term
LED lights after
you degauss the probe. When the probe is
connected to a 50
Ω
input host, the
50
Ω
Term
LED turns off after you degauss the probe.
NOTE.
When you are using the probe with
an oscilloscope input termination of 50
Ω
, the
maximum peak current that you can measure
is 50 amps, with a pulse duration of no more
than 20 us.
20 A Current Probes Instruction Manual
15