Hioki DT4282 - Page 58

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Measuring AC Using Clamp-on Probe (DT4281)
When clamping a cable
Attach the clamp around only one conductor.
Single-phase (2-wire) or three-phase (3-wire) cables clamped
together will not produce any reading.
NO
OK
NO
NO
NO
OK
NO NO
When blinks
The measured value exceeds maximum display counts. Increase
the range.
If the input current is lower than each range’s accuracy guarantee
range, the instrument may display zero.
HIOKI DT4281A981-08