Product Manual

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The digital meter can show voltage output, frequency, cumulative running
6.6 Voltage/Frequency/Time
SPECIFICATION:
Input Voltage: AC : 90V～250V
Input Frequency: 50HZ/60HZ
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INSTRUCTION:
and single running time, which can be switched by press button.
Display accuracy: voltage 1V, frequency 0.1Hz, cumulative running time
1hr and single running time 1 min.