Fluke 8845A User Manual page 24

8845A/8846A
Users Manual
Max. Lead Resistance (4-wire ohms) .................. 10 % of range per lead for 100 , 1 k ranges. 1 k
Input Protection .................................................... 1000 V on all ranges.
Input Characteristics
Full Scale
Range
(6½ Digits)
[1]
10 10.00000
100 100.0000
1 k 1.000000 k
10 k 10.00000 k
100 k 100.0000 k
1 M 1.000000 M
10 M 10.00000 M
100 M 100.0000 M
[1]
1.0 G 1.000000 G
[1] 8846A Only
8846A Accuracy
Accuracy is given as
Range
10
100
1 k
10 k
100 k
1 M
10 M
100 M
1 G
8845A Accuracy
Accuracy is given as
Range
100
1 k
10 k
100 k
1 M
10 M
100 M
Additional Ohms Errors
Digits
6½
6½
5½
5½
4½
1-14
4½ Digits
1 m
10 m
100 m
1
10
100
1 k
10 k
100 k
(% measurement + % of range)
24 Hour 90 Days
(23 1 C) (23
0.003 + 0.01 0.008 + 0.03
0.003 + 0.003 0.008 + 0.004
0.002 + 0.0005 0.008 + 0.001
0.002 + 0.0005 0.008 + 0.001
0.002 + 0.0005 0.008 + 0.001
0.002 + 0.001 0.008 + 0.001
0.015 + 0.001 0.02 + 0.001
0.3 + 0.01 0.8 + 0.01
1.0 + 0.01 1.5 + 0.01
(% measurement + % of range)
24 Hour 90 Days
(23 1 C) (23
0.003 + 0.003 0.008 + 0.004
0.002 + 0.0005 0.008 + 0.001
0.002 + 0.0005 0.008 + 0.001
0.002 + 0.0005 0.008 + 0.001
0.002 + 0.001 0.008 + 0.001
0.015 + 0.001 0.02 + 0.001
0.3 + 0.01 0.8 + 0.01
NPLC
100
10
1
0.2
0.02
other ranges.
Resolution
5½ Digits
100
1 m
10 m
100 m
1
10
100
1 k
10 k
1 Year
5 C) (23 5 C)
0.01+ 0.03
0.01 + 0.004
0.01 + 0.001
0.01 + 0.001
0.01 + 0.001
0.01 + 0.001
0.04 + 0.001
0.8 + 0.01
2.0 + 0.01
1 Year
5 C) (23 5 C)
0.01 + 0.004
0.01 + 0.001
0.01 + 0.001
0.01 + 0.001
0.01 + 0.001
0.04 + 0.001
0.8 + 0.01
Additional Noise Error
0 % of range
0 % of range
0.001 % of range
0.001 % of range
0.01 % of range
per lead on all
Source Current
6½ Digits
5 mA
10
1 mA
100
1 mA
1 m
10 m 100 A
100 m 10 A
1 10 A
10 1 A
100 1 A || 10 M
1 k 1 A || 10 M
Temperature
Coefficient/ C
Outside 18 to 28 C
0.0006 + 0.0005
0.0006 + 0.0005
0.0006 + 0.0001
0.0006 + 0.0001
0.0006 + 0.0001
0.001 + 0.0002
0.003 + 0.0004
0.15 + 0.0002
0.6 + 0.0002
Temperature
Coefficient/ C
Outside 18 to 28 C
0.0006 + 0.0005
0.0006 + 0.0001
0.0006 + 0.0001
0.0006 + 0.0001
0.0010 + 0.0002
0.0030 + 0.0004
0.1500 + 0.0002
20 m
20 m