22
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2.2 Current Measurement
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200 A
100 A
Fig. 1 Waveform of Measurement Response (Rise)
250 ms
Response wave
Input wave
500 ms
Fig. 2 Waveform of Measurement Response (Fall)
Response wave
Input wave
2.2.3 Measuring AC/DC Current (AC+DC A)
1. Press
button to display
.
2. Switch between the auto range and the manual range
as necessary.
3. Please execute auto zero adjustment before
measuring. Press
0ADJ/RESET
to make an auto-
zero-adjustment (without clamping the measured
conductor inside the clamp sensor) with the clamp
sensor firmly closed. (see 3.1.1: Auto-zero-
adjustment function).
ADJ
annunciator lights to indicate that auto-zero-
adjustment is complete. (If you make an auto-zero-
adjustment in the auto range, two current ranges will
be adjusted in this mode.)
Summary of Contents for 3285-20
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