TB 9-6625-2315-24
or
key to select 1 A range.
(4) Press RANGE/DIGITS
(5) Set calibrator for a 1 A, 1 kHz output. If TI does not indicate between 0.9986
and 1.0014 A, perform b below.
or
key to select 3 A range.
(6) Press RANGE/DIGITS
(7) Set calibrator for a 2 A, 1 kHz output. If TI does not indicate between 1.9952
and 2.0048 A, perform b below.
b. Adjustments. Perform paragraphs 14 and 15 below.
13. Frequency
a. Performance Check
(1) Connect function/arbitrary generator Output to TI Input HI and LO using
50
feedthrough termination.
(2) Press FUNCTION Freq key.
(3) Press Shift key then RANGE/DIGITS Auto/Man key to select 6 digits resolution.
or
to select 1 V range.
(4) Press RANGE/DIGITS
(5) Set function/arbitrary generator for a sine wave 100 Hz, 1 Vrms output. If TI
does not indicate between 99.99 and 100.01 Hz, perform b below.
between 99.99 and 100.01 kHz, perform b below.
b. Adjustments. Perform paragraphs 14 and 15 below.
ADJUSTMENT PROCESS
14. Preliminary Instructions
a. Disconnect TI input terminals from external equipment.
or
b. Press FUNCTION DCV key and RANGE/DIGITS
key to select 100 mV range.
c. Press Terminals Front/Rear pushbutton to Rear.
d. Short TI front and rear input terminals as shown in figure 1 using copper wire and
allow 5 minutes for thermal offset voltage settling after handling input connections.
key to display A: MEAS MENU.
e. Press Shift key then MENU
or
key until F: CAL MENU is displayed.
f. Press MENU
until 1: SECURED is displayed.
g. Press RANGE/DIGITS
key until ^000000 CODE is displayed.
h. Press RANGE/DIGITS
or
and RANGE/DIGITS
or
i. Press MENU
keys until 034401 is displayed.
j.
Press RANGE/DIGITS Auto/Man key. TI is now in unsecure mode.
