Fluke 8845A, Руководство пользователя

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Introduction and Specifications
Electrical Specifications
1
1-21
Capacitance (8846A Only)
Accuracy is stated as
±
(% of measu % of range)
Range Resolution
1 Year Accuracy
[1]
(23
±
5
°
C)
Temperature Coefficient/
°
C
Outside 18 to 28
°
C
1 nF 1 pF 2%
±
2.5 % 0.05 + 0.05
10 nF 10 pF
1%
±
0.5 %
0.05 + 0.01
100 nF 100 pF
1%
±
0.5 %
0.01 + 0.01
1
μ
F
1 nF
1%
±
0.5 %
0.01 + 0.01
10
μ
F
10 nF
1%
±
0.5 %
0.01 + 0.01
100
μ
F
100 nF
1%
±
0.5 %
0.01 + 0.01
1 mF
1
μ
F 1%
±
0.5 %
0.01 + 0.01
10 mF
10
μ
F 1%
±
0.5 %
0.01 + 0.01
100 mF
100
μ
F 4%
±
0.2 %
0.05 + 0.05
[1] Stated accuracy is attained when Zero function is used.
Temperature (8846A only)
Test Current ............................................................ 1 mA
Accuracy is stated as
± °
C and is based on a Platinum RT100 (DIN IEC 751, 385 type) RTD with less than 10 ohms lead
resistance. The accuracy listed in the table below are valid only when using the 4-wire RTD measurement function.
Specifications do not include probe accuracy, which must be added.
Accuracy
Range Resolution 90 Days
(23
±
5
°
C)
1 Year
(23
±
5
°
C)
Temperature
Coefficient/
°
C
Outside 18 to 28
°
C
-200
°
C 0.001
°
C 0.06 0.09 0.0025
-100
°
C 0.001
°
C 0.05 0.08 0.002
0
°
C 0.001
°
C 0.04 0.06 0.002
100
°
C 0.001
°
C 0.05 0.08 0.002
300
°
C 0.001
°
C 0.1 0.12 0.002
600
°
C 0.001
°
C 0.18 0.22 0.002
Additional Errors
Digits NPLC Additional NPLC Noise Error
6 ½ 100 0 °C
6 ½ 10 0 °C
5 ½ 1 0.03 °C
5 ½ 0.2 0.12 °C
4 ½ 0.02 0.6 °C
Continuity
Continuity Threshold ............................................... Selectable between 1
Ω
and 1000
Ω
Test Current ............................................................ 1 mA
Response Time....................................................... 300 samples/sec with audible tone
Accuracy is given as
±
(% measur % of range)
Range
24 Hour
(23
±
1
°
C)
90 Days
(23
±
5
°
C)
1 Year
(23
±
5
°
C)
Temperature
Coefficient/
°
C
Outside 18 to 28
°
C
1000.0
Ω
0.002 + 0.01 0.008 + 0.02 0.01 + 0.02 0.001 + 0.002