Reference Multimeter and 8 ½ Digit Multimeter
Functions
23
• Secondary reading: The ACV function can show a secondary reading.
The choices are:
o (OFF) (none)
o (Frequency)
o (Period)
o (Pk to Pk)
o (More)
o (Pk to Pk) (Repeated for ease of use)
o (Crest Factor)
o (Positive Peak)
o (Negative Peak)
When you select Pk to Pk, the last submenu in ACV Measure Setup, Peak to
peak method becomes active (see Peak to peak method below).
• Frequency path coupling: Frequency path coupling can be either ac or dc if
the Signal path coupling, impedance (above) is set to any of the dc
settings. Otherwise, only ac is available and this submenu is inactive.
• Frequency path bandwidth limit: (OFF or ON). Reduces noise in the
frequency counter signal path. If there is excessive noise, turn the bandwidth
limit ON for signals <2 MHz.
• Counter Gate can be set to:
o (Auto)
o (1 ms)
o (
10 ms)
o (100
ms)
o (1 s
)
The counter gate auto times are related to the RMS filter and shown in Table 6.
Table 6. Counter Gate Auto Times
RMS Filter Gate Times
0.1 Hz 1 s
1 Hz 1 s
10 Hz 100 ms
40 Hz 100 ms
100 Hz 10 ms
1 kHz 10 ms
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