Operator`s manual

19 Signametrics
2.9.3 Capacitance, In-Circuit Method (SM2064)
• Adjustable Peak Voltages Stimulus 100mV to 1.3V
• Minimum Parallel Load Resistance 100Ω
Accuracy ± (% of reading + Farads) [1]
Range Full Scale
3-½ Digits
Resolution One Year
23°C ± 5°C [2]
24 ηF 23.99 ηF
10 pF 2.7 ± 100 pF
240 ηF 239.9 ηF
100 pF 2.5 ± 500 pF
2.4 µF 2.399 µF
1000 pF
2.5 ± 5 ηF
24 µF 23.99 µF 10 ηF
240 µF 239.9 µF 100 ηF
2.4 mF 2.399 mF
1 µF
24 mF 23.99 mF
10 µF
[1] Within one hour of zero, using Relative control, and Caps Open-Cal operation
[2] Accuracy is specified for values higher than 5% of the selected range with the exception of the 2.4
η F range.
Capacitance Measurement time is independent of set Aperture and Read Interval. It depends on range, and
capacitance
.
2.9.4 Inductance Measurement (SM2064)
Range Test frequency Full Scale
4 ½ Digits
Resolution
Accuracy 23°C ± 5°C
One Year [2]
24 µH
75 kHz
33.000 µH 1 ηH 3.0% + 500 ηH
240 µH
50 kHz
330.00 µH 10 ηH 2.0% + 3 µH
2.4 mH 4 kHz 3.3000 mH
100 ηH 1.5% + 25 µH
24 mH 1.5 kHz 33.000 mH
1 µH 1.5% + 200 µH
240 mH 1 kHz 330.00 mH
10 µH
2.5 + 3 mH
2.4 H 100 Hz 3.3000 H
100 µH
3 + 35 mH
[1] Within one hour of zero, and Open Terminal Calibration.
[2] Accuracy is specified for values greater than 5% of the selected range.
2.10 Time Measurements
2.10.1 Threshold DAC
• The Threshold DAC is used for selecting a detection level, providing optimal frequency and
timing measurements even at extreme duty cycle values.
± (% of setting + volts)
Selected VAC
range [1]
Threshold range (DC
level)
Threshold
DAC
resolution
Highest allowed input
Vp-p
Typical one year setting
uncertainty
240 mV -1.0 V to +1.0 V 0.5 mV 1.900 V 0.2% + 4 mV
2.4 V -10.0 V to +10.0 V 5.0 mV 19.00 V 0.2% + 40 mV
24 V -100.0 V to 100.0 V 50 mV 190.0 V 0.2% + 0.4 V
240 V -400 V to 400 V 500 V 850.0 V 0.2% + 4 V
[1] This table should be used in conjunction with the AC volts section above.