22 GB
Operation
j
The LCD 1 now indicates the present mains voltage
in V (volts).
Q
Measure mains frequency
j
Press the “DOWN” button 4 until the power frequency
symbol 11 (Hz) appears in the centre of the LC display 1 .
j
The LCD 1 now indicates the present mains frequency
in Hz (Hertz).
note:
the wattmeter indicates mains frequencies in a
range of 40 to 70 Hz. In Europe a frequency of 50 Hz is
used for the general power supply system.
Q
Show power factor
j
Press the “DOWN” button 4 until the power factor
symbol 18 (“Power Factor”) appears in the centre of the
LC display 1 .
j
The LC display 1 now indicates the power factor.
note:
the power factor expresses the ratio of real
(active) to theoretical (apparent) power consumed by
an electrical device. The power factor can be between
0 and 1. Ideally, the power factor is 1.
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Summary of Contents for 56861
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