DATA PRECISION 1350 - Page 26

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MODEL 1350
c. Gain Calibration
(1) Connect variable do voltage Input to Model 1350 as stiown in
Figure 3-3.
(2) Set do voltage to -i-1.900 volts.
(3) Select V function, DC conditioning, range scale 1.
(4) Adjust R7 for a display of +1.900 on the Model 1350 DMM.
(5) Remove input.
(6) Turn povi/er OFF.
d. Balance Calibration
(1) Connect input at front panel (J400) to Z2-36 (REF HI).
(2) Select DCV, Range lOOmV.
(3) Adjust R38 for display value of 50±50 mV.
(1) Connect input at front panel (J400) to Z2-36 (REF HI).
MODEL 1350 OMM
OCVVOLTAGE
STANDARO
-b-l-
MODEL
AN3100
Figure 3-3. Gain Calibration Setup
e. Remove ac power source. Replace top cover. Make appropriate
entries in calibration record of date and calibrator personnel.
3-4
''Copyright 1977. Data Precision Corporation. AH rights reserved.