Remote Interfaces; Warranty; Electrical Specifications; Dc Voltage Specifications - Fluke 8808A Calibration Manual

8808A
Calibration Manual

Remote Interfaces

RS-232C

Warranty

One year

Electrical Specifications

Specifications are valid for 5-½ digit mode and after at least a half-hour warm-up.

DC Voltage Specifications

Maximum Input ................................................. 1000 V on any range
Common Mode Rejection................................. 120 dB at 50 or 60 Hz ±0.1％ (1 kΩ unbalance)
Normal Mode Rejection .................................... 80 dB at Slow Rate
A/D Nonlinearity ................................................ 15 ppm of range
Input Bias Current ............................................ <30 pA at 25 °C
Settling Considerations ................................... Measurement settling times are affected by source impedance, cable
Range
(5-1/2 Digits)
200 mV 199.999 mV
2 V 1.99999 V
20 V 19.9999 V
200 V 199.999 V
1000 V 1000.00 V
Notes:
[1] At some dual display measurements, the input impedance of 200 mV and 2 V ranges may be changed to 10 MΩ.
Range
200 mV
2 V
20 V
200 V
1000 V
Notes:
Uncertainty given as ± (% of reading + % of range)
[1]

AC Voltage Specifications

AC Voltage specifications are for ac sinewave signals >5 % of range. For inputs from 1 % to 5 % of range and <50 kHz,
add an additional error of 0.1 % of range, and for 50 kHz to 100 kHz, add 0.13 % of range.
Maximum Input ................................................. 750 V rms or 1000 V peak or 8 x 10
Measurement Method ....................................... AC-coupled true-rms. Measures the ac component of input with up to
AC Filter Bandwidth ......................................... 20 Hz – 100 kHz
Common Mode Rejection................................. 60 dB at 50 Hz or 60 Hz (1 kΩ unbalance)
Maximum Crest Factor .................................... 3:1 at Full Scale
Additional Crest Factor Errors (<100 Hz) ...... Crest Factor 1-2, 0.05 % of full scale
1-10
Full-Scale
Slow
1 μV
10 μV
100 μV
1 mV
10 mV
Uncertainty
90 days
23 °C ± 5 °C
0.01 + 0.003
0.01 + 0.002
0.01 + 0.003
0.01 + 0.002
0.01 + 0.002
dielectric characteristics, and input signal changes
Input Characteristics
Resolution
Medium
10 μV
100 μV
1000 μV
10 mV
100 mV
[1]
1 year
23 °C ± 5°C
0.015 + 0.004
0.015 + 0.003
0.015 + 0.004
0.015 + 0.003
0.015 + 0.003
1000 V dc bias on any range.
Crest Factor 2-3, 0.2 % of full scale
Only applies for non-sinusoid signals
Input Impedance
Fast
10 μV
>10 GΩ
100 μV
>10 GΩ
1000 μV 10 MΩ±1 %
10 mV 10 MΩ±1 %
100 mV 10 MΩ±1 %
Temperature Coefficient/°C
Outside 18 – 28 °C
0.0015 + 0.0005
0.001 + 0.0005
0.0020 + 0.0005
0.0015 + 0.0005
0.0015 + 0.0005
7
Volts-Hertz product
[1]
[1]