MENU SETTING
147
Start the frequency compensation coefficient
calculation and connect the 1k Hz standard
source to the Input HI and LO terminals
(only available when Auto mode is opted).
Please regard the 1k Hz standard source as
the baseline for frequency compensation
coefficient calculation. The accuracy of
value after compensation is relevant to the
connected 1k Hz standard source. For
instance, if the accuracy of 1k Hz standard
source is +-5ppm, the value after
compensation will be +-5ppm plus the
accuracy of +-1ppm.
Click “Start” to execute DC Gain Calibration,
which is an internally self-calibration function
that does Not require external signal source.
It corrects the gain of internal amplifier,
though it is not necessary for general
conditions unless the significant change in the
gain of internal amplifier. It is suggested
performing this calibration one time monthly.
Input the password into the field.
Default: 12345678
Click “Start” to perform the DMM
Calibration.
The calibration procedure can be only
executed by the certified technician in
accordance with the standard instruments.
Refer to the qualified personnel for details.
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