External Power Supply; Measuring Current - pico Technology TA325 Guía De Usuario

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4.2

EXTERNAL POWER SUPPLY

An optional external power supply can be used with the TA325
and TA326. The requirements are a stabilised 3 V DC supply
with a minimum current output of 100 mA. The supply is to be
terminated with a 2.1 mm / 5.5 mm (0.08''/0.219'') power
connector (center negative).
4.3

MEASURING CURRENT

Read the safety section of these instructions before
operating this product.
Make sure the conductor to be tested is de-energized
Connect the output of the electronics to the input of an
oscilloscope or other data recording device.
The flexible current probe is not for use on conductors
with a potential of over 1000 V.
Wrap the flexible probe around the conductor to be tested
and close the coupling.
Locate the coupling away from nearby conductors.
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(+ terminal)
Energize the circuit under test.
(- terminal)
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