Product Manual

7526A
Users Manual
1-20
Resistance Specifications, Output
Ranges
Absolute Uncertainty,
tcal ±5 °C, ± Ohms
Resolution Nominal Current
[1]
90 Days 1 Year
5 Ω to 400.000 Ω
0.012 0.015
0.001 Ω
1 to 3 mA
5 kΩ to 4.00000 kΩ
0.25 0.3
0.01 Ω 100 μA to 1 mA
[1] For currents lower than shown, the specification becomes
New Spec. = Stated Spec. x Imin/Iactual.
For example, a 500 μA stimulus that measures 100 Ω has a specification of: 0.015 Ω x 1 mA/500 μA=0.03 Ω
Resistance Specifications, Input
Ranges
Absolute Uncertainty, tcal ±5 °C
±(ppm of reading + Ω)
Resolution Stimulus Current
90 Days 1 Year
0 Ω to 400.000 Ω ±20 ppm + 0.0035 Ω ±20 ppm + 0.004 Ω 0.001 Ω
1 mA
0 kΩ to 4.00000 kΩ ±20 ppm + 0.035 Ω ±20 ppm + 0.04 Ω 0.01 Ω
0.1 mA