Hioki LR8400-20, Instruction Manual

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2.7 Compensating for Input Circuit Offset (Zero Adjustment)
50
Zero adjustment corrects for voltage offset at the input terminals, so that Memory
HiLogger measurements are relative to zero volts.
Execute zero adjustment whenever input circuit offset is a concern.
2.7 Compensating for Input Circuit Offset
(Zero Adjustment)
• Any zero-adjust setting is cleared upon system reset (p. 153).
• Zero adjustment cannot be performed while measuring.
Turn on the power and wait for 30 minutes to stabilize the internal temperature of the
HiLogger.
From the Waveform/Numerical screen
Select
[Zero Adjust]
.
Apply
2
3
Zero adjustment is executed.
(
simulta-
neously
)
1
Display the Waveform/Numerical
screen or
[CH] screen
Press and hold these
keys simultaneously for
one second.
The Zero Adjust dialog ap-
pears.