Fluke 8845A, Руководство пользователя

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8845A/8846A
Users Manual
1-12
Additional Crest Factor Errors (<100 Hz)............ Crest factor 1-2, 0.05 % of full scale
Crest factor 2-3, 0.2 % of full scale
Crest factor 3-4, 0.4 % of full scale
Crest factor 4-5, 0.5 % of full scale
Input Characteristics
Resolution
Range Resolution
4½ Digits 5½ Digits 6½ Digits
Input Impedance
100 mV 100.0000 mV
10
μ
V 1
μ
V
100 nV
1 V 1.000000 V 100
μ
V 10
μ
V 1
μ
V
10 V 10.00000 V 1 mV
100
μ
V 10
μ
V
100 V 100.0000 V 10 mV 1 mV
100
μ
V
1000 V 1,000.000 V 100 mV 10 mV 1 mV
1 M
Ω ±
2 % shunted
by <100 pf
8846A Accuracy
Accuracy is given as
±
(% measu % of range)
Range Frequency
24 Hour
(23
±
1
°
C)
90 Days
(23
±
5
°
C)
1 Year
(23
±
5
°
C)
Temperature
Coefficient/
°
C
Outside 18 to 28
°
C
3 – 5 Hz 1.0 + 0.03 1.0 + 0.04 1.0 + 0.04 0.1 + 0.004
5 – 10 Hz 0.35 + 0.03 0.35 + 0.04 0.35 + 0.04 0.035 + 0.004
10 Hz – 20 kHz 0.04 + 0.03 0.05 + 0.04 0.06 + 0.04 0.005 + 0.004
20 – 50 kHz 0.1 + 0.05 0.11 + 0.05 0.12 + 0.05 0.011 + 0.005
50 – 100 kHz 0.55 + 0.08 0.6 + 0.08 0.6 + 0.08 0.06 + 0.008
100 mV
100 – 300 kHz
[1]
4.0 + 0.50 4.0 + 0.50 4.0 + 0.50 0.20 + 0.02
3 – 5 Hz 1.0 + 0.02 1.0 + 0.03 1.0 + 0.03 0.1 + 0.003
5 – 10 Hz 0.35 + 0.02 0.35 + 0.03 0.35 + 0.03 0.035 + 0.003
10 Hz – 20 kHz 0.04 + 0.02 0.05 + 0.03 0.06 + 0.03 0.005 + 0.003
20 – 50 kHz 0.1 + 0.04 0.11 + 0.05 0.12 + 0.05 0.011 + 0.005
50 – 100 kHz 0.55 + 0.08 0.6 + 0.08 0.6 + 0.08 0.06 + 0.008
1 V
100 – 300 kHz
[1]
4.0 + 0.50 4.0 + 0.50 4.0 + 0.50 0.2 + 0.02
3 – 5 Hz 1.0 + 0.02 1.0 + 0.03 1.0 + 0.03 0.1 + 0.003
5 – 10 Hz 0.35 + 0.02 0.35 + 0.03 0.35 + 0.03 0.035 + 0.003
10 Hz – 20 kHz 0.04 + 0.02 0.05 + 0.03 0.06 + 0.03 0.005 + 0.003
20 – 50 kHz 0.1 + 0.04 0.11 + 0.05 0.12 + 0.05 0.011 + 0.005
50 – 100 kHz 0.55 + 0.08 0.6 + 0.08 0.6 + 0.08 0.06 + 0.008
10 V
100 – 300 kHz
[1]
4.0 + 0.50 4.0 + 0.50 4.0 + 0.50 0.2 + 0.02
3 – 5 Hz 1.0 + 0.02 1.0 + 0.03 1.0 + 0.03 0.1 + 0.003
5 – 10 Hz 0.35 + 0.02 0.35 + 0.03 0.35 + 0.03 0.035 + 0.003
10 Hz – 20 kHz 0.04 + 0.02 0.05 + 0.03 0.06 + 0.03 0.005 + 0.003
20 – 50 kHz 0.1 + 0.04 0.11 + 0.05 0.12 + 0.05 0.011 + 0.005
50 – 100 kHz 0.55 + 0.08 0.6 + 0.08 0.6 + 0.08 0.06 + 0.008
100 V
100 –- 300 kHz
[1]
4.0 + 0.50 4.0 + 0.50 4.0 + 0.50 0.2 + 0.02
3 – 5 Hz 1.0 + 0.015 1.0 + 0.0225 1.0 + 0.0225 0.1 + 0.00225
5 – 10 Hz 0.35 + 0.015 0.35 + 0.0225 0.35 + 0.0225 0.035 + 0.00225
10 Hz – 20 kHz 0.04 + 0.015 0.05 + 0.0225 0.06 + 0.0225 0.005 + 0.00225
20 – 50 kHz 0.1 + 0.03 0.11 + 0.0375 0.12 + 0.0375 0.011 + 0.00375
50 – 100 kHz
[2]
0.55 + 0.06 0.6 + 0.06 0.6 + 0.06 0.06 + 0.006
1000 V
100 – 300 kHz
[1][2]
4.0 + 0.375 4.0 + 0.375 4.0 + 0.375 0.2 + 0.015
[1] Typically 30 % reading error at 1 MHz
[2] 1000 Volt range is limited to 8 X 10
7
volt-Hertz