Datasheet

8845A and 8846A Fluke Corporation 9
8845A Accuracy
Accuracy is given as ± % measurement
Range Frequency
24 Hour
(23 ± 1 °C)
90 Days
(23 ± 5 °C)
1 Year
(23 ± 5 °C)
Temperature
Compensation/ °C
Outside 18 to 28 °C
3 – 5 Hz 0.1 0.1 0.1 0.005
5 – 10 Hz 0.05 0.05 0.05 0.005
10 – 40 Hz 0.03 0.03 0.03 0.001
100 mV to
750 V
[1][2]
40 Hz – 300 kHz 0.006 0.01 0.01 0.001
[1] Input >100 mV. For 10 – 100 mV, multiply percent measurement error by 10.
[2] Limited to 8 X 10
7
volt-Hertz
Gate Time vs. Resolution
Gate Time Resolution
0.01 5½
0.1 6½
1.0 6½
Additional Low Frequency Errors
Error stated as percent of measurement for inputs >100 mV. For 10 – 100 mV, multiply percent by 10.
Resolution
Frequency
6½ 5½ 4½
3 – 5 Hz 0 0.12 0.12
5 – 10 Hz 0 0.17 0.17
10 – 40 Hz 0 0.2 0.2
40 – 100 Hz 0 0.06 0.21
100 – 300 Hz 0 0.03 0.21
300 Hz – 1 kHz 0 0.01 0.07
> 1 kHz 0 0 0.02
Capacitance (8846A Only)
Accuracy is stated as ±(% of measurement + % 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 µF 1 nF 1% ± 0.5 % 0.01 + 0.01
10 µF 10 nF 1% ± 0.5 % 0.01 + 0.01
100 µF 100 nF 1% ± 0.5 % 0.01 + 0.01
1 mF 1 µF 1% ± 0.5 % 0.01 + 0.01
10 mF 10 µF 1% ± 0.5 % 0.01 + 0.01
100 mF 100 µF 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.
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 0.12 0.14 0.002