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АМM-1130
Linear Frequency Measurement
The measurement range is of 5Hz～200kHz and the measurement methods are as follows:
1.
When performing voltage or current measurement, in case of measured value being AC or including AC elements, it is
possible to measure and display the alternating frequency by pressing the Hz/DUTY key. However it has a certain
requirements for the amplitude of alternating signal and the meter has varied requirements for signal amplitude when it is
in different ranges, for information of which please refer to Table 3-1.
2.
If the position of rotary switch is in ACV or DCV, after pressing Hz/DUTY key the RANGE key will invalidation.
3.
Press Hz/DUTY key again to enter DUTY measurement mode.
4.
Press Hz/DUTY key again to exit linear frequency.
Table 3-1
Range
Sensibility(sine wave)
220mV
100mV
2.2V
0.5V
22V
4V
220V
40V
1000V
400V
33
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