Cal Test CT3687 Gebruikershandleiding - Pagina 7

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3 Using the Probe

Before using the differential probe for the first time, the batteries

supplied with the device must be inserted in the battery compartment

(unless you are using the power adapter or USB power lead).

WARNING

At the time of inserting or replacing the batteries, the input leads must

not be connected to an item to be tested. Never operate the probe with

the case open.

Slide back the battery cover. If necessary, the old AA batteries can then

be removed and the new ones inserted into the compartment. Always

ensure the batteries are positioned for proper polarity. After inserting

the batteries, close the case. When the batteries are low, the power

indicator will start to flicker and dim.

Connect the BNC output connector to the vertical input the

oscilloscope.

Power on the probe.

Set the oscilloscope input to DC coupling and 1V/div. Center

the trace on the display.

Set the attenuation of the oscilloscope to match the low

setting on the probe.

Connect the hook probes to the leads.

Connect the black hook probe to the ground connection on

the oscilloscope and the red hook probe to the test signal on

the oscilloscope (1 kHz for example).

A wave matching the test signal should display on the

screen of the oscilloscope and this means this probe is

working properly.

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