8808A
Calibration Manual
1-14
Frequency
Gate Time .......................................................... 131 ms
Measurement Method ....................................... AC-coupled input using the ac voltage measurement function.
Settling Considerations ................................... When measuring frequency after a dc offset voltage change, errors
may occur. For the most accurate measurement, wait up to 1 second
to allow input blocking RC time constant to settle.
Measurement Considerations ......................... To minimize measurement errors, shield inputs from external noise
when measuring low voltage, low frequency signals.
Uncertainty
90 days 1 year
Range Frequency
23 °C ± 5 °C 23 °C ± 5 °C
Temperature
Coefficient/°C
Outside 18 – 28 °C
20 Hz – 2 kHz 0.01 + 0.002 0.01 + 0.003 0.002 + 0.001
2 kHz – 20 kHz 0.01 + 0.002 0.01 + 0.003 0.002 + 0.001
20 kHz – 200 kHz 0.01 + 0.002 0.01 + 0.003 0.002 + 0.001
100 mV to
750 V
[1,2]
200 kHz – 1 MHz 0.01 + 0.004 0.01 + 0.006 0.002 + 0.002
Notes:
[1] Input > 100 mV
[2] Limited to 8* 10
7
V Hz
Continuity
Continuity Threshold........................................ 20 Ω
Test Currents .................................................... 1 mA
Response Time ................................................ 100 samples/sec with audible tone
Rate .................................................................... Fast
Maximum Reading ............................................ 199.99 Ω
Resolution ......................................................... 0.01 Ω
Diode Test
Response Time ................................................. 100 samples/sec with audible tone
Rate .................................................................... Fast
Maximum Reading ............................................ 1.9999 V
Resolution ......................................................... 0.1 mV
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