Hioki 3227 - Zero Adjustment

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4.3 Resistance Measurement Mode
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4
.3.3 Zero Adjustment
Red Black
SENSE
Right method Wrong method
SOURCE
SENSE
SENSE
SOURSE
Red Black
SOURCE
SENSE
SOURCE
SENSE
Connect
SENSE SOURCE
HI LO HI LO
Connect
SHIFT
TEMP
0 ADJ
NOTE
The zero adjustment cancels the wiring resistance in case that the accurate 4-
terminal measurement is impossible. This is also able to execute from the
external control terminal.
See Chapter 6, "External Control Terminal", for details.
(1) Short the leads as follows.
When executing by the 9287
When executing by the self-made lead
(2) Press the
SHIFT key and enter the shift states. "SHIFT" on the display lights.
(3) Press the
0 ADJ key and execute the zero adjustment.
Display "O AdJ" during executing the zero adjustment.
After the zero adjustment, return to the resistance measurement mode.
To measure accurately, the leads should connect correctly.
The zero adjustment is valid only in the measuring range which execute it.
Always execute the zero adjustment in the measuring range which is intended
to use.
The zero adjustment is unable to execute while using the auto range.
However, during using the auto range, the wiring resistance is canceled
according to the result of the zero adjustment executed in the manual range.
The zero adjustment is unable to execute under the holding state.
The range able to execute the zero adjustment is within 100 count. When the
value over 100 count is input, an error is generated.