Performance Test and Calibration
Adjustment (Calibration) 3
3-29
Table 3-18. 8845A/8846A Adjustment Steps (cont)
Step Modes Value Range Input Signal Description Series
25 ZRES 10 4-wire low-thermal short
4W 10 OHM (8846A
only)
N
Rear Ω
Zero
26 ZRES 100000 4-wire low-thermal short 4W 100 kOHM rear input Y
27 ZRES 10000 4-wire low-thermal short 4W 10 kOHM rear input Y
28 ZRES 1000 4-wire low-thermal short 4W 1 kOHM rear input Y
29 ZRES 100 4-wire low-thermal short 4W 100 OHM rear input Y
30
ZRES 10 4-wire low-thermal short
4W 10 OHM rear input
(8846A only)
N
Rear
DCV
Zero
31 ZVDC 1 4-wire low-thermal short DC 1V rear input Y
32 ZVDC 0.1 4-wire low-thermal short DC 100 mV rear input N
Low I
Zero
33 ZIDC 100.0E-3 100mA to Lo short DC 100 mA Y
34 ZIDC 1.0E-3 100mA to Lo short DC 1 mA Y
35 ZIDC 10.0E-3 100mA to Lo short DC 10 mA Y
36 ZIDC 100.0E-6 100mA to Lo short DC 100 uA Y
37 ZIAC 0.0 100mA to Lo short AC 100 uA Y
38 ZIACS 0.0 100mA to Lo short AC 100 uA Y
39 ZIAC 1.0E-3 100mA to Lo short AC 1 mA Y
40 ZIACS 1.0E-3 100mA to Lo short AC 1 mA Y
41 ZIAC 10.0E-3 100mA to Lo short AC 10 A Y
42 ZIACS 10.0E-3 100mA to Lo short AC 10 mA Y
43 ZIAC 100.0E-3 100mA to Lo short AC 100 mA Y
44 ZIACS 100.0E-3 100mA to Lo short AC 100 mA N
Hi I Zero
45 ZIDC 10 10 A to Lo short DC 10 A Y
46 ZIDC 1 10 A to Lo short DC 1 A Y
47 ZIAC 1 10 A to Lo short AC 1 A Y