4343DV2 EM-9422-B Rev.3
MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
10. USER CALIBRATION
User calibration is calibration by a customer using customer’s measuring instruments and standards. The input calibration
(adjustment) depends on the input codes. The unit is calibrated correctly at shipment and therefore there is normally no
need for customers to calibrate it.
■ DC VOLTMETER
The DC voltmeter has Calibration Mode to calibrate the input signal, where 0%, 50% and 100% inputs are calibrated.
Refer to 10.1 DC VOLTMETER CALIBRATION for the details of calibration procedure. Prepare signal sources and stand-
ards by yourselves. Please note that we does not warrant the result of your own calibration. The internal calibration data
is overwritten every time the unit is calibrated and it is stored even if the power is turned off. However the data will be lost
after an initialization.
■ PROCESS METER
The process meter does not have a function to calibrate the input signal. Set the display scaling to compensate the display
deviation. Calculate the correction values rst and then set the display scaling. Refer to 10.2 CORRECTION OF DISPLAY
SCALING to calculate the correction values.
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