2400-902-01 (G - Feb 2006)
1-3 Model 2400 Series User’s Manual
Performance Verification
Line power
The Model 2400 requires a line voltage of 100 to 240V and a line frequency of 50 or 60Hz.
Verification tests should be performed within this range.
Recommended test equipment
Table 1-1 summarizes recommended verification equipment. You can use alternate equipment
as long as that equipment has specifications at least as good as those listed in Table 1-1. Keep
in mind, however, that test equipment uncertainty will add to the uncertainty of each measure-
ment. Generally, test equipment uncertainty should be at least four times better than corre-
sponding Model 2400 specifications. Table 1-1 lists the uncertainties of the recommended test
equipment.
Table 1-1
Recommended verification equipment
Description Manufacturer/Model Accuracy*
Digital Multimeter
Resistance calibrator
Hewlett Packard
HP3458A
Fluke 5450A
DC Voltage
DC current
Resistance**
200mV:
2V:
20V:
200V:
1µA:
10µA:
100µA:
1mA:
10mA:
100mA:
1A:
19Ω
190Ω:
1.9kΩ:
19kΩ
190kΩ:
1.9MΩ:
19MΩ:
100MΩ:
±15ppm
±6ppm
±9ppm
±7ppm
±55ppm
±25ppm
±23ppm
±20ppm
±20ppm
±35ppm
±110ppm
±23ppm
±10.5ppm
±8ppm
±7.5ppm
±8.5ppm
±11.5ppm
±30ppm
±120ppm
**90-day specifications show accuracy at specified measurement point.
**Nominal resistance values shown.
Verification limits
The verification limits stated in this section have been calculated using only the Model 2400
one-year accuracy specifications, and they do not include test equipment uncertainty. If a
particular measurement falls outside the allowable range, recalculate new limits based both on
Model 2400 specifications and corresponding test equipment specifications.
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