Explanation Of The Buttons; Func/Zero Button; Min/Max Button; Lpf/Hold Button - Testboy TV 217 Manuel D'utilisation

Operation

Explanation of the buttons

1)

Measuring transformer clamp jaws

2) Clamp opening handle
3)

LPF/HOLD button

4)

FUNC/ZERO button

5)

MIN/MAX button

6) Display
7) COM connector
8) Measurement range
9) Housing
10) Mode display
11) Rotary switch
12) INPUT connector
FUNC/ZERO button
Used to zero the instrument for current measurement (ZERO on the display).
Also for toggling between different functions e.g. , continuity.
A short beep confirms that the button has been pressed.
MIN/MAX button
Press the MIN/MAX button once or multiple times to display the maximum or minimum measured
value.
LPF/HOLD button
Press the LPF/HOLD button to freeze the value currently displayed. Hold down the button to
switch to LPF (50/60 Hz) (Low Pass Filter) mode.
Measuring transformer clamp jaws
Record the current flowing through the conductor.
Open the clamp jaws, clip them to a conductor and close them correctly. Make sure that there are
no foreign bodies in the connection gap
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Testboy ®
TV 217