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2.8 Compensating for Input Circuit Offset (Zero Adjustment)
50
About zero position offset of analog input circuits
With this instrument, the zero position may be off-
set in a high sensitivity range (10-mV/div range,
etc.). Furthermore, the accuracy of the instrument
is guaranteed under the condition that the instru-
ment has been warmed up for at least 30 minutes.
The figure on the right shows the representative
characteristics of zero position drift from immedi-
ately after the power is turned on. The changes in
the zero position are relatively large for 30 minutes
after the power is turned on. The existence of
these characteristics means that zero adjustment
must always be executed before measurements
are taken. In particular, when you will take mea-
surements for a long time or take high-precision
measurements, we recommend 60 minutes of ag-
ing before executing zero adjustment.
Error (%f.s.)
Time elapsed from power on
(minutes)
Содержание MR8880-20
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Страница 12: ...Procedure 2 ...
Страница 40: ...1 3 Screen Configuration and Display 30 ...
Страница 76: ...3 4 Measurement Using Setting Wizard PRESETS key 66 ...
Страница 174: ...6 4 Data Management 164 ...
Страница 186: ...7 7 Performing a Printer Check 176 ...
Страница 196: ...8 4 Numerical Value Calculation Expressions 186 ...
Страница 216: ...10 4 Making System Settings 206 ...
Страница 222: ...11 3 Communication Using Commands 212 4Click Next to start install ing Installing Click ...
Страница 226: ...11 3 Communication Using Commands 216 ...
Страница 254: ...13 6 Setting Wizard Function PRESETS 244 ...
Страница 292: ...Appendix 10 Installing Waveform Viewer A30 ...
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