Fluke 8845A User Manual page 23

Additional Crest Factor Errors (<100 Hz)............ Crest factor 1-2, 0.05 % of full scale
Input Characteristics
Range Resolution
100 mV 100.0000 mV
1 V 1.000000 V
10 V 10.00000 V
100 V 100.0000 V
1000 V 1,000.000 V
8846A Accuracy
Accuracy is given as ± (% measurement + % of range)
Range Frequency
100 mV 3 – 5 Hz
5 – 10 Hz
10 Hz – 20 kHz
20 – 50 kHz
50 – 100 kHz
[1]
100 – 300 kHz
1 V 3 – 5 Hz
5 – 10 Hz
10 Hz – 20 kHz
20 – 50 kHz
50 – 100 kHz
[1]
100 – 300 kHz
10 V 3 – 5 Hz
5 – 10 Hz
10 Hz – 20 kHz
20 – 50 kHz
50 – 100 kHz
[1]
100 – 300 kHz
100 V 3 – 5 Hz
5 – 10 Hz
10 Hz – 20 kHz
20 – 50 kHz
50 – 100 kHz
[1]
100 –- 300 kHz
1000 V 3 – 5 Hz
5 – 10 Hz
10 Hz – 20 kHz
20 – 50 kHz
[2]
50 – 100 kHz
[1][2]
100 – 300 kHz
[1] Typically 30 % reading error at 1 MHz
[2] 1000 Volt range is limited to 8 X 10
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
Resolution
4½ Digits 5½ Digits
10 μV 1 μV
100 μV 10 μV
100 μV
1 mV
10 mV 1 mV
100 mV 10 mV
24 Hour 90 Days
(23 ±1 °C) (23 ±5 °C)
1.0 + 0.03 1.0 + 0.04
0.35 + 0.03 0.35 + 0.04
0.04 + 0.03 0.05 + 0.04
0.1 + 0.05 0.11 + 0.05
0.55 + 0.08 0.6 + 0.08
4.0 + 0.50 4.0 + 0.50
1.0 + 0.02 1.0 + 0.03
0.35 + 0.02 0.35 + 0.03
0.04 + 0.02 0.05 + 0.03
0.1 + 0.04 0.11 + 0.05
0.55 + 0.08 0.6 + 0.08
4.0 + 0.50 4.0 + 0.50
1.0 + 0.02 1.0 + 0.03
0.35 + 0.02 0.35 + 0.03
0.04 + 0.02 0.05 + 0.03
0.1 + 0.04 0.11 + 0.05
0.55 + 0.08 0.6 + 0.08
4.0 + 0.50 4.0 + 0.50
1.0 + 0.02 1.0 + 0.03
0.35 + 0.02 0.35 + 0.03
0.04 + 0.02 0.05 + 0.03
0.1 + 0.04 0.11 + 0.05
0.55 + 0.08 0.6 + 0.08
4.0 + 0.50 4.0 + 0.50
1.0 + 0.015 1.0 + 0.0225
0.35 + 0.015 0.35 + 0.0225 0.35 + 0.0225
0.04 + 0.015 0.05 + 0.0225 0.06 + 0.0225
0.1 + 0.03 0.11 + 0.0375 0.12 + 0.0375
0.55 + 0.06 0.6 + 0.06
4.0 + 0.375 4.0 + 0.375
7
volt-Hertz
Introduction and Specifications
6½ Digits
100 nV
1 μV
10 μV
100 μV
1 mV
Temperature
1 Year
Coefficient/ °C
(23 ±5 °C)
Outside 18 to 28 °C
1.0 + 0.04 0.1 + 0.004
0.35 + 0.04 0.035 + 0.004
0.06 + 0.04 0.005 + 0.004
0.12 + 0.05 0.011 + 0.005
0.6 + 0.08 0.06 + 0.008
4.0 + 0.50 0.20 + 0.02
1.0 + 0.03 0.1 + 0.003
0.35 + 0.03 0.035 + 0.003
0.06 + 0.03 0.005 + 0.003
0.12 + 0.05 0.011 + 0.005
0.6 + 0.08 0.06 + 0.008
4.0 + 0.50 0.2 + 0.02
1.0 + 0.03 0.1 + 0.003
0.35 + 0.03 0.035 + 0.003
0.06 + 0.03 0.005 + 0.003
0.12 + 0.05 0.011 + 0.005
0.6 + 0.08 0.06 + 0.008
4.0 + 0.50 0.2 + 0.02
1.0 + 0.03 0.1 + 0.003
0.35 + 0.03 0.035 + 0.003
0.06 + 0.03 0.005 + 0.003
0.12 + 0.05 0.011 + 0.005
0.6 + 0.08 0.06 + 0.008
4.0 + 0.50 0.2 + 0.02
1.0 + 0.0225 0.1 + 0.00225
0.035 + 0.00225
0.005 + 0.00225
0.011 + 0.00375
0.6 + 0.06 0.06 + 0.006
4.0 + 0.375 0.2 + 0.015
Electrical Specifications
Input Impedance
1 MΩ ±2 % shunted
by <100 pf
1
1-13