Measure Mains Frequency; Show Power Factor - elv EM 240 Instrucciones De Utilización Y De Seguridad

Operation
strip between the two round cell batteries is removed, the
wattmeter is automatically in this mode.
The LCD 1 now indicates the present mains voltage
in V (volts).
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Measure mains frequency

Press the "DOWN" button 4 until the power frequency
symbol 11 (Hz) appears in the centre of the LC display 1 .
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.
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Show power factor

Press the "DOWN" button 4 until the power factor
symbol 18 ("Power Factor") appears in the centre of the
LC display 1 .
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
58 GB