Frequency & Period Measurements - Picotest M3500A User Manual

3.4 Frequency & Period Measurements
M3500A uses an on-board counter with 25MHz to measure the frequency
(period). The measurement band is from 3Hz to 300kHz (or 333 ms to
3.3 s ) and the measurement voltages range from 100mV to 750 V in
μ
AC. The default for "RANGE" is auto-range.
Warning! The maximum input allowed is 1000V. Applying excess
voltage may damage your meter.
How to measure frequency and period
Selects input signal connections on front or rear panel.
① ① ① ①
Connect the test leads to the terminals as shown in Figure 3-2.
② ② ② ②
Set RESOLUTION (Refer to 4.1.1) and INPUT JACK. Or skip this step
③ ③ ③ ③
if default is to be used.
Press FREQ button for frequency measurement or SHIFT + FREQ
④ ④ ④ ④
buttons for period measurement.
Select the auto-range function by pressing AUTO button on the front
⑤ ⑤ ⑤ ⑤
panel or use
△
Connect test leads to your source signal and observe the reading
⑥ ⑥ ⑥ ⑥
shown on the display. If the input signal is beyond the allowed range,
an overflow message "OVLD" will be displayed.
Note: The rear terminal panel also can be used via the same
※
procedures as the front panel. (Please refer to Figure 3-3)
Figure 3-9
and buttons to select the desired range.
▽
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