Fluke 2620A - Ohms Input Specifications

Appendices
Specifications A
A-9
Ohms Inputs
Range Resolution
Typical Full
Maximum
Current
Through
Maximum Open
Slow Fast
Scale Voltage Unknown Circuit Voltage
300 Ω 10 mΩ 0.1 Ω 0.22 V 1 mA 3.2V
3 kΩ 0.1 Ω 1 Ω 0.25V 110 µA 1.5 V
30 kΩ 1 Ω 10 Ω 0.29 V 13 µA 1.5 V
300 kΩ 10 Ω 100 Ω 0.68 V 3.2 .µA 3.2 V
3 MΩ 100 Ω 1 kΩ 2.25 V 3.2 µA 3.2 V
10 MΩ 1 kΩ 10 kΩ 2.72 V 3.2 µA 3.2 V
4-Wire Accuracy ±(%±Ω)
Range 18°C to 28°C 0°C to 60°C
90 Days, Slow 1 Year, Slow 1 Year, Fast 1 Year, Slow 1 Year, Fast
300 Ω 0.013% + 20 mΩ 0.014% + 20 mΩ 0.014% + 0.2 Ω 0.031% + 20 mΩ 0.031% + 0.2 Ω
3 kΩ 0.015% + 0.2 Ω 0.016% + 0.2 Ω 0.016% + 2 Ω 0.039% + 0.2 Ω 0.039% + 2 Ω
30 kΩ 0.013% + 2 Ω 0.014% + 2 Ω 0.014% + 20 Ω 0.039% + 2 Ω 0.039% + 20 Ω
300 kΩ 0.020% + 20 Ω 0.021% + 20 Ω 0.021% + 200 Ω 0.050% + 20 Ω 0.050% + 200 Ω
3 MΩ 0.059% + 200 Ω 0.063% + 200 Ω 0.063% + 2 kΩ 0.231% + 200 Ω 0.231% + 2 kΩ
10 MΩ 0.168% + 2 kΩ 0.169% + 2 kΩ 0.709% + 20 kΩ 0.573% + 2 kΩ 0.923% + 20 kΩ
2-Wire Accuracy
Add 4.0Ω to accuracy specifications for channels 1 to 20, and add 20 mΩ for channel 0.
Lead wire resistances are not included.
Input Protection
300V dc or ac rms on all ranges
Cross-Talk Rejection
Refer to Appendix D.