Hioki LR8431, Instruction Manual

Page: 43 / 204

2.5 Zero Adjustment
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Chapter 2 M
eas
ureme
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t Prep
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ions
Zero adjustment corrects for voltage offset at the input terminals, so that Mem-
ory HiLogger measurements are relative to zero volts.

Perform the zero adjustment procedure when using the instrument in a loca-
tion where the ambient temperature is markedly different.
2.5 Zero Adjustment
Any zero-adjust setting is cleared upon system reset (p. 125).
Turn on the power and wait for 30 minutes to stabilize the internal

temperature of the Memory HiLogger.
With the Waveform or [CH] screen displayed, press and hold these
keys simultaneously for one second.
The Zero Adjust dialog appears.
From the Setting screen
Select [Zero Adjust] .

Apply
1
2
Zero adjustment is executed.
(simulta-
neously)