8845A/8846A
Calibration Manual
3-6
FRONT
REAR
8846A
6-1/2 DIGIT PRECISION MULTIMETER
+1.000002
V
INPUT SENSE
HI
LO
10 A
1V
100
mA
4W
HI
LO
2W/4W
V
300V
FUSED
1000V CAT I
600V CAT II
0•
123
456
789
ENTER
M
k
m
VHz
/
+
F
OPR
EARTH
SCOPE EXGRD MENU
PREV
SHIFT
F
μ
n
p
W
dBm sec
CA
5520A
CALIBRATOR
STBY
HI
LO
TRIG
GUARD
TC
20A
NORMAL AUX
SCOPE
OUT
V, , ,
RTD
A, -SENSE,
AUX V
20V PK MAX
20V PK MAX
FUSED
FUSED
DCV
ACV
DC I ACI
TRIG
FREQ
PERIOD
TEMP
ZERO
INSTR
SETUP
MEAS
SETUP
RANGE
F1 F2 F3 F4 F5
BACK
MEMORY
ANALYZE
HI
HI
LO
LO
HI
OUTPUT
V A
SENSE
V
AUX
CURRENT
GUARD
GROUND
WIDEBAND
5720A CalibratorUUT
FRONT
REAR
INPUT SENSE
HI
LO
10 A
1V
100
mA
4W
HI
LO
2W/4W
V
300V
FUSED
1000V CAT I
600V CAT II
A.
EX SNS
: OFF
EX GRD
: OFF
NC
caw023.eps
Figure 3-1. DC Volts Test Equipment Setup with 5520A
Table 3-2. 8846A DC Volts Verification Steps
90-day Test Limits 1-year Test Limits
Nominal
Input (V)
Range
High Low High Low
0 0.100 3.5 μV -3.5 μV 3.5 μV -3.5 μV
100.0 mV
[1]
0.100 100.006 mV 99.994 mV 100.0072 mV 99.9928 mV
-100.0 mV
[1]
0.100 -99.994 Mv -100.006 mV -99.9928 mV -100.0072 mV
0 V 1 7.0 μV -7.0 μV 7.0 μV -7.0 μV
1 V
[1]
1 1.000025 V 0.999975 V 1.000032 V 0.999968 V
-1 V
[1]
1 -0.999975 V -1.000025 V -0.999968 V -1.000032 V
0 V 10 50.0 μV -50.0 μV 50.0 μV -50.0 μV