MM-400A
9. Measurement
9-6
9) Touch the MENU key to select VIEW.
According to the desired measurement item, set the following in one of
MEASUREMENT 1 to 5 or 1 to 10. The settable items are different between
ORIGINAL and ISO17657. (For information on measurement items other than
the following, refer to (2) c in Chapter 8.)
To measure RMS current (ISO17657 mode): CURR RMS
To measure average RMS current (original mode): CURR AVG RMS
To measure peak current during current flow: CURR PEAK
To measure RMS voltage (ISO17657 mode): VOLT RMS
To measure average RMS voltage (original mode): VOLT AVG RMS
To measure peak voltage during current flow: VOLT PEAK
To measure current flow time: WELD TIME
To measure max. conduction angle during current flow time: COND ANGLE
When the measurement item is changed, upper and lower limits for the
changed measurement item are initialized. Set upper and lower limits again on
the COMPARATOR screen. (Refer to (2) m in Chapter 8.)
10) To display the waveforms of the measured items, set those items in
WAVEFORM 1 to 4. (For more information, refer to (2) c in Chapter 8.)
11) Touch the MENU key to select MEASUREMENT or WAVEFORM.
12) Select a schedule number to measure.
When setting by the touch panel, set a schedule number to measure in
“SCH.#” without inputting a signal to the external input (SCH1 to 64).
When selecting by the external input (SCH1 to 64), input a signal in the
external input (SCH1 to 64). (Refer to (1) (2) in Chapter 10.)
13) Touch PROG to change it to MEAS, putting the MM-400A into wait state until
measurement starts (the signal selected as trigger is input).
14) When the trigger signal is input to the MM-400A, the [TRIGGER] lamp lights
up and measurement starts. Confirm the measurement results on the
MEASUREMENT and WAVEFORM screens. You can also print measured
values and waveforms from the PRINT screen, as necessary.
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