Frequency Measurement; Measurement % Of Duty Cycle (Pulse Filling Indicator); Measurement Of Resistance - Sonel CMM-30 Manual De Uso

5.2 Frequency measurement

To perform frequency measurement:
 set the rotary switch at V
 press MODE
 connect black test lead to COM terminal, and red test lead to
VΩHz%
 contact the tips of test probes to the points of measurement,
 read the measurement result on the display.

5.3 Measurement % of duty cycle (pulse filling indicator)

To perform the measurement:
 set the rotary switch at V
 press MODE
 connect black test lead to COM terminal, and red test lead to
VΩHz%
 contact the tips of test probes to the points of measurement,
 read the measurement result on the display.

5.4 Measurement of resistance

WARNING
Do not perform measurements on the circuit under the
voltage. Before the measurement disconnect the pow-
er and discharge capacitors.
To perform measurement of resistance:
 set the rotary switch at Ω
 connect black test lead to COM terminal, and red test lead to
VΩHz%
 contact the tips of test probes to the points of measurement; the
best solution is to disconnect one side of the tested element, to
prevent the remaining part of the circuit interfere with the read-out
of the resistance value,
 read the measurement result on the display.
52
Hz% ,
button, until symbol Hz is shown on the display,
CAP ºC ºF terminal,
Hz% ,
button, until symbol % is shown on the display,
CAP ºC ºF terminal,
CAP ºC ºF terminal,
CMM-30 – USER MANUAL
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