TB 9-6625-2246-50
Table 4. Resistance
Test instrument
Standard resistor or
(ppm of test report or
resistance standard
prerecorded value
Range settings
+ppm of range)
Ω
No. 1
10
18
+6
Ω
No. 2
100
15
+6
kΩ
No. 3
1
13
+ 0.6
kΩ1
No. 7
10
13
+ 0.6
kΩ
No. 5
100
13
+ 0.6
MΩ
No. 1
1
182
+3
MΩ
No. 1
10
533
+ 11
MΩ
No. 2
100
5034
+ 18
GΩ
No. 2
1
50035 + 82
'Repeat technique of (3) (f) through (h) above to select OCOMP OFF.
2From recorded value of resistance standard No. 1 for 1 MΩ
3From recorded value of resistance standard No. 1 for 10 MΩ
4From recorded value of resistance standard No. 2 for 100 MΩ
5From recorded value of resistance standard No. 2. Each 100 MΩ step must be measured
and values added for a nominal 1 GΩ
b. Adjustments. If an out-of-tolerance condition exists and, if not previously
completed, perform paragraphs 13 through 17 below and repeat paragraphs 8 and 9
above.
10. Dc Current
a. Performance Check
(1) Press FUNCTION/RANGE blue shift key then Reset/⇒ key and release
Guard Open/To LO pushbutton to Open.
(2) Execute ACAL OHMS command by pressing keys as listed in (a) through (c)
below:
(a) MENU Auto Cal.
(b) FUNCTION/RANGE Menu Scroll ⇓ until ACAL OHMS is displayed.
(c) NUMERIC/USER 3458 then Enter.
NOTE
ACAL OHMS takes approximately 10 minutes to complete.
(3) Press keys as listed in (a) through (h) below:
(a) FUNCTION/RANGE DCI.
(b) FUNCTION/RANGE blue shift then MENU N/Offset Comp Ω .
(c) NUMERIC/USER 8 then Enter.
(d) MENU NPLC.
