TB 9-4931-702-50
9. Linearity of Output
Resistance Divider and Output Voltage Check (Model
730A/AB)
a. Performance Check
(2) Position 11 controls as listed below:
(a) Supply No. 1 function switch to 10V.
(b) Supply No. 1 ∆E control to 000.
(c) EXT COMPARISON/OUTPUT 1 depressed.
(3) Set voltage divider (A4) to 1.0000000.
(4) Set dc voltage standard (A1) to 10.999999.
(5) Operate dc voltage standard, sensitivity switch (B1), and null detector (A2) to
obtain null on null detector.
(6) Open sensitivity switch.
(7) Set voltage divider to .1000000.
(8) Set TI supply No. 1 function switch to 1V.
(9) Operate sensitivity switch. If indication is not within 1 microvolt of null,
perform b(1) below.
(10) Open sensitivity switch.
(11) Set voltage divider to 1.0000000.
(12) Set dc voltage standard to 1.099999.
(13) Operate dc voltage standard, sensitivity switch, and null detector to obtain
null on null detector.
(14) Open sensitivity switch.
(15) Set voltage divider to 1.018000.
(16) Position TI supply No. 1 function switch to 1.018 +∆E.
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