Amprobe ACDC-100 TRMS Bedienungsanleitung PDF herunterladen (Seite 8)

Capacitance

function

Inputs are made through the test leads terminals. Slide-switch on defaults at Ω.

Press

SELECT button momentarily 3 times to select

Capacitance function. Relative zero

mode can be used to zero out the parasitic capacitance of the leads and the internal

protection circuitry of the meter when measuring low capacitance in the order of Pico

Farad (pF).

CAUTION

Discharge capacitors before making any measurement. Large value capacitors should

be discharged through an appropriate resistance load

HOLD

The Hold feature freezes the display for later viewing. Press the HOLD

button

momentarily to toggle to the Hold feature. The symbol “

” turns on.

MAX

The max feature compares and displays the measured maximum value as fast as

30ms with auto-ranging capability. It allows the meter to capture in-rush currents in

current functions. Press and hold the MAX

button for 1 second or more to toggle to

the max feature. The symbols “MAX” and “

” turn on.

Relative Zero

mode

Relative Zero

mode allows the user to offset the meter consecutive measurements

with the displaying reading as the reference value. The display will now show readings

relative to the stored reference value. That is, display = reading - stored value. Press

the

button momentarily to toggle to the relative zero mode. The symbol “ ” turns

on. The meter also enters manual ranging mode where available. The symbol “

”

turns off. It is very important that this mode be used to zero the unit before measuring

low currents to ensure accuracy.

Manual or Auto-ranging

Press the RANGE button momentarily to select manual-ranging mode, and the meter

will remain in the range it was in, the LCD symbol “

” turns off. Press the button

momentarily again to step through the ranges. Press and hold the button for 1 second

or more to resume auto-ranging mode.

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