166 Agilent U1251B/U1252B User’s and Service Guide
7 Specifications
Peak Hold Specifications
Frequency Counter Specifications for U1252B
Table 7-14 Peak hold specifications for dc voltage and current measurements
Signal Width Accuracy For DC mV/voltage/current
Single event > 1 ms 2% + 400 for all ranges
Repetitive > 250 µs 2% + 1000 for all ranges
Table 7-15 Frequency counter (divide by 1) specifications
Range Resolution
Accuracy
± (% of reading + No.
of Least Significant
Digit)
Sensitivity Min. Input Frequency
99.999 Hz 0.001 Hz 0.02% + 3
[1]
100 mV R.M.S.
0.5 Hz
999.99 Hz 0.01 Hz
0.002% + 5
< 985 kHz
9.9999 kHz 0.0001 kHz
99.999 kHz 0.001 kHz
999.99 kHz 0.01 kHz 200 mV R.M.S.
9.9999 MHz 0.0001 MHz
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