Frequency; Continuity; Diode Test - Fluke 8808A Calibration Manual

8808A
Calibration Manual

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
Measurement Considerations ......................... To minimize measurement errors, shield inputs from external noise
Range
100 mV to
[1,2]
750 V
Notes:
[1] Input > 100 mV
[2] Limited to 8* 10

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
1-14

Frequency

20 Hz – 2 kHz
2 kHz – 20 kHz
20 kHz – 200 kHz
200 kHz – 1 MHz
7
V Hz
may occur. For the most accurate measurement, wait up to 1 second
to allow input blocking RC time constant to settle.
when measuring low voltage, low frequency signals.
Uncertainty
90 days
23 °C ± 5 °C
0.01 + 0.002
0.01 + 0.002
0.01 + 0.002
0.01 + 0.004
Temperature
1 year Coefficient/°C
Outside 18 – 28 °C
23 °C ± 5 °C
0.01 + 0.003 0.002 + 0.001
0.01 + 0.003 0.002 + 0.001
0.01 + 0.003 0.002 + 0.001
0.01 + 0.006 0.002 + 0.002