15-4 Performance Verification Model 6485 Instruction Manual
Table 15-1
Recommended performance verification equipment
Description Manufacturer/Model Specifications
Calibrator Fluke 5700A DC Voltage:
1
2V: 7ppm
20V: 5ppm
200V: 7ppm
DC Current:
1
20µA: 550ppm
200µA: 100ppm
2mA: 55ppm
20mA: 55ppm
Electrometer Calibration
Standard
Keithley Model 5156 Nominal Resistance:
2
100MΩ: 200ppm
1GΩ: 300ppm
Low-noise coax cable
BNC-to-triax adapter
BNC shielding cap
BNC-to-double banana plug adapter
Keithley 4801
Keithley 237-BNC-TRX
Keithley CAP-18
Pomona 1269
1
90-day, 23˚±5˚C full-range accuracy specifications shown. Uncertainty for 20µA output current does not meet the
recommended four-times better uncertainty specification.
2
23˚±3˚C accuracy of characterization.
To Next Page
Loading...
