How are the various quantities measured?
100,000 cts digital multimeters 33
How are the various quantities measured? (continued)
Connecting
the multimeter
Select the Hz function to measure the
frequency of the voltage
Measurement of the period is accessible
as a secondary measurement
If the MLI filter is activated, the frequency
that can be measured remains within the
pass band limit of the 300Hz filter.
Below 10Hz, or if the signal is too weak,
the value is forced to "--"
Possibility of selection of the range by
"Range+ or –" or of the manual freq.
F <200kHz (default) or F >200kHz
Secondary
measurements
Meas…/MEAS+
Pressing MEAS… gives access to the measurements of the main function:
1. DUTY CYCLE: duty cycle DCY+ or DCY-
2. CNT+ and CNT-: counting of pulses
3. PW+ and PW-: pulse width
See table of secondary measurements in the Appendix.
How can one obtain the
secondary quantities
of the Hz frequency
measurement?
By pressing
Meas… MEAS+
Selecting the line
(shaded, opposite)
- the mathematical function associated: .................... MATH
- the period, the positive duty cycle
and the mathematical function: ............................... PER_DCY+_MATH
- the period, the negative duty cycle
and the mathematical function: ............................... PER_DCY- _MATH
- the positive pulse width,
the counting of positive pulses, its reference
and the mathematical function: ............................... PW+_CNT+_MATH
- the negative pulse width,
the counting of negative pulses, its reference
and the mathematical function: ............................... PW-_CNT-_MATH
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