Fluke 8808A - Resistance Specifications; DC Current Specifications

Introduction and Specifications
Electrical Specifications 1
1-11
Resistance
Specifications are for 4-wire resistance function, or 2-wire resistance with REL. If REL is not used, add 0.2 Ω for 2-wire
resistance plus lead resistance.
Measurement Method ....................................... Current source referenced to LO input
Max Lead Resistance (4-wire ohms) ............... 10 % of range per lead for 200 Ω, 2 kΩ ranges. 1 kΩ per lead on all
other ranges.
Input Protection ................................................ 1000 V on all ranges
Input Characteristics
Resolution
Range
Full-Scale
(5-1/2 Digits)
Slow Medium Fast
Current Source
200 Ω 199.999 Ω 0.001 Ω 0.01 Ω 0.01 Ω
0.8 mA
2 kΩ 1.99999 kΩ 0.01 Ω 0.1 Ω 0.1 Ω
0.8 mA
20 kΩ 19.9999 kΩ 0.1 Ω 1 Ω 1 Ω
0.08 mA
200 kΩ 199.999 kΩ 1 Ω 10 Ω 10 Ω
0.008 mA
2 MΩ 1.99999 MΩ 10 Ω 100 Ω 100 Ω
0.9 μA
20 MΩ 19.9999 MΩ 100 Ω 1 kΩ 1 kΩ
0.16 μA
100 MΩ 100.000 MΩ 1 kΩ 10 kΩ 10 kΩ
0.16 μA || 10 MΩ
Accuracy
Uncertainty
[1]
90 days 1 year
Range
23 °C ± 5 °C 23 °C ± 5 °C
Temperature Coefficient/°C
Outside 18 – 28 °C
200 Ω
0.02 + 0.004 0.03 + 0.004
0.003 + 0.0006
2 kΩ
0.015 + 0.002 0.02 + 0.003
0.003 + 0.0005
20 kΩ
0.015 + 0.002 0.02 + 0.003
0.003 + 0.0005
200 kΩ
0.015 + 0.002 0.02 + 0.003
0.003 + 0.0005
2 MΩ
0.03 + 0.003 0.04 + 0.004
0.004 + 0.0005
20 MΩ
0.2 + 0.003 0.25 + 0.003
0.01 + 0.0005
100 MΩ
1.5 + 0.004 1.75 + 0.004
0.2 + 0.0005
Notes:
[1] Uncertainty given as ± (% of reading + % of range)
DC Current
Input Protection ............................................... Tool accessible 11 A / 1000 V and 440 mA / 1000 V fuses.
Shunt Resistance.............................................. 0.01 Ω for 2 A and 10 A ranges
1 Ω for 20 mA and 200 mA
Burden voltage < 5 mV for 200 μA and 2 mA range.
Input Characteristics
Resolution
Range
Full-Scale
(5-1/2 Digits)
Slow Medium Fast
Burden Voltage
200 μA 199.999 μA 0.001 μA 0.01 μA 0.01 μA
<5 mV
2 mA
1999.99 μA 0.01 μA 0.1 μA 0.1 μA
<5 mV
20 mA 19.9999 mA
0.1 μA 1 μA 1 μA
<0.05 V
200 mA 199.999 mA
1 μA 10 μA 10 μA
<0.5 V
2 A 1.99999 A
10 μA 100 μA 100 μA
<0.1 V
10 A 10.0000 A
100 μA
1 mA 1 mA
<0.5 V
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