Hioki 8205-10, Инструкция по эксплуатации

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Measurement Procedures
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Before adjusting
After adjusting
NOTE This button is intended only for fine adjustment of the zero
position. It cannot compensate for a large offset.
The range for zero position adjustment is
25%f.s.(Voltage
measurement)/ 2%f.s.(Current measurement).
The zero adjustment is lost when power is turned off or range
selector setting is changed, so reset the zero position again if
necessary when power is turned on.
The button is disabled during automatic recording.
After verifying that input is 0, press the
ADJ
button. To ensure
zero input, either short the tips of the connection cords or short
the test voltage input terminals. Measurement error will be larger
in any input is present when the
ADJ
button is pressed.
For accurate measurements, press the
ADJ
button only when the
conductor is not clamped and the core junction is closed (when
the input value is 0).
After changing the range, press the
ADJ
button to reset the zero
position
(9) ADJ button
Press this button to adjust the fine offset of the zero
position during measurement. While shorting the connection
cords together, press this button to reset the zero position.
After adjusting the zero position, the "0" in the numeric
display of the LCD changes to "0.0", the "0" in the range
setting information for the recording paper changes to
"0.0", and "_" appears under the unit display.