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Introduction and Specifications
Specifications
1
1-13
Table 1-3. 2620A/2625A Specifications (cont)
Ohms Input
Range
Resolution
Typical Full Maximum Current Maximum Open
Slow Fast
Scale Voltage Through Unknown Circuit Voltage
300Ω 10 mΩ 0.1Ω 0.22V 1 mA 3.2V
3 kΩ 0.1Ω 1Ω 0.25V 110 µA1.5V
30 kΩ 1Ω 10Ω 0.29V 13 µA1.5V
300 kΩ 10Ω 100Ω 0.68V 3.2 µA3.2V
3 MΩ 100Ω 1 kΩ 2.25V 3.2 µA3.2V
10 MΩ 1 kΩ 10 kΩ 2.72V 3.2 µA3.2V
4-Wire Accuracy ±(% ± Ω)
Range
18°C to 28°C0°C to 60°C
90 Days, Slow 1 Year, Fast 1 Year, Fast 1 Year, Fast 1 Year, Fast
300Ω 0.056% + 20 mΩ 0.060% + 20 mΩ 0.060% + 0.2Ω 0.175% + 20 mΩ 0.175% + 0.2Ω
3 kΩ 0.053% + 0.2Ω 0.057% + 0.2Ω 0.057% + 2Ω 0.172% + 0.2Ω 0.172% + 2Ω
30 kΩ 0.055% + 2Ω 0.059% + 2Ω 0.059% + 20Ω 0.176% + 2Ω 0.176% + 20Ω
300 kΩ 0.053% + 20Ω 0.057% + 20Ω 0.057% + 200Ω 0.184% + 20Ω 0.184% + 200Ω
3 MΩ 0.059% + 200Ω 0.063% + 200Ω 0.063% + 2 kΩ 0.203% + 200Ω 0.203% + 2 kΩ
10 MΩ 0.115% + 2 kΩ 0.120% + 2 kΩ 0.200% + 30 kΩ 0.423% + 2 kΩ 0.423% + 30 kΩ
2-wire Accuracy
Not specified
Input Protection
300V dc or ac rms on all ranges
Crosstalk Rejection
Refer to "Crosstalk Rejection" at the end of this table.
Frequency Inputs
Frequency Range
15 Hz to greater than 1 MHz
Range
Resolution Accuracy ±(% ± Hz)
Slow Fast Slow Fast
15 Hz - 900 Hz
9 kHz
90 kHz
900 kHz
1 MHz
0.01 Hz
0.1 Hz
1 Hz
10 Hz
100 Hz
0.1 Hz
1 Hz
10 Hz
100 Hz
1 Hz
0.05% + 0.02 Hz
0.05% + 0.1 Hz
0.05% + 1 Hz
0.05% + 10 Hz
0.05% + 100 Hz
0.05% + 0.2 Hz
0.05% + 1 Hz
0.05% + 10 Hz
0.05% + 100 Hz
0.05% + 1 kHz