18-4 Performance Verification
Table 18-1
Recommended verification equipment
Description Manufacturer/Model Specifications
Digital Multimeter
1
Hewlett Packard
HP3458A
DC Voltage
DC Current
1V:
10V:
100V:
1000V:
1mA:
10mA:
100mA:
1mA:
10mA:
100mA:
5.6ppm
4.3ppm
6.3ppm
6.1ppm
55ppm
25ppm
23ppm
20ppm
20ppm
35ppm
Resistance Calibrator
1
Fluke 5450A Resistance 19Ω:
190Ω:
1.9kΩ:
19kΩ:
190kΩ:
1.9MΩ:
19MΩ:
65ppm
10.5ppm
8ppm
7.5ppm
8.5ppm
11.5ppm
30ppm
Electrometer
Calibration Standard
2
Keithley 5156 Resistance 100MΩ
1GΩ
10GΩ
100GΩ
200ppm
300ppm
400ppm
500ppm
Precision Resistors
3
Any suitable Resistance 1TΩ
10TΩ
2,000ppm
5,000ppm
Coax Cables (2)
Shielded Cables (2)
Triax-BNC Adapters
Triax-triax Adapters
Keithley 4801
Keithley CA-18-1
Keithley 7078-TRX-GND
Low-noise
Dual banana
Male/female
Male/male
1
90-day, full-scale DMM accuracy specifications of ranges required for various measurement points.
2
Characterization accuracy specifications shown for Model 5156.
3
Resistors should be accurately characterized to uncertainty shown and mounted in a shielded enclosure.
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