5500A
Service Manual
1-24
1-18. Additional Specifications
The following paragraphs provide additional specifications for the 5500A Calibrator ac
voltage and ac current functions. These specifications are valid after allowing a warm-up
period of 30 minutes, or twice the time the 5500A has been turned off. All extended
range specifications are based on performing the internal zero-cal function at weekly
intervals, or when the ambient temperature changes by more than 5 °C. (See Chapter 4,
Front Panel Operations.)
1-19. Frequency Specifications
Frequency Resolution 1-Year Absolute Uncertainty, Jitter
Range tcal ± 5°C
.01 - 119.99 Hz .01 Hz 25 ppm, ± 1 mHz 2 µs
120.0 - 1199.9 0.1 Hz 25 ppm, ± 1 mHz 2 µs
1.200k - 11.999k 1.0 Hz 25 ppm, ± 1 mHz [1] 2 µs
12.00k - 119.99k 10 Hz 25 ppm, ± 15 mHz 140 ns
120.0k - 1199.9k 100 Hz 25 ppm, ± 15 mHz 140 ns
1.200M - 2.000M 1 kHz 25 ppm, ± 15 mHz 140 ns
[1] ± (25 ppm + 15 mHz) above 10 kHz
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