Protek Z9216 - Page 23

Capacitance Accuracy
1. Connect the adapter ground leads of IH and IL to ground terminal of the decade capacitor.
Connect the IH and PH leads to the “+” terminal of the decade capacitor. Connect the IL and
PL leads to the "−" terminal of the decade capacitor box. Set the Model Z9216 to its default
conditions by pressing the key sequence RCL 0 ENTER, then select the R+Q measurement
mode and the 1 kHz test frequency.
2. Unplug the IH, PH leads from "+" terminal of the decade capacitor box and plug them into the
"−" terminal of the decade capacitor box. Perform short circuit calibration. Unplug the IH, PH
leads from "−" terminal of the decade capacitor box, then perform open circuit calibration.
3. Connect the IH, PH leads to the "+" terminal of the decade capacitor box. Set the capacitance
to zero.
4. Note the capacitance value the Model Z9216 measures. This is the capacitance of the switch
contacts and connectors. Enter this as a relative value in the entry display. Set the Model
Z9216 to the DEV display mode.
5. Set the decade capacitor and the Model Z9216 according to the values in the Capacitance
Accuracy Table below. Verify that the readings fall within the acceptable values. Record the
results.
Capacitance Accuracy Table
Capacitance Frequency Range Minimum Maximum
1.0 nF 1 kHz 0 .99780 nF 1.0022 nF
1.0 nF 10 kHz 1 .99730 nF 1.0027 nF
1.0 nF 100 kHz 2 .99630 nF 1.0037 nF
10.0 nF 100 Hz 0 9.978 nF 10.022 nF
10.0 nF 1 kHz 1 9.978 nF 10.022 nF
10.0 nF 10 kHz 2 9.973 nF 10.027 nF
10.0 nF 100 kHz 2 9.963 nF 10.037 nF
100.0 nF 100 Hz 1 99.978 nF 100.22 nF
100.0 nF 1 kHz 2 99.978 nF 100.22 nF
100.0 nF 10 kHz 2 99.73 nF 100.27 nF
100.0 nF 100 kHz 3 99.63 nF 100.37 nF
1.0 µF 100 Hz 2 .99978 µF 1.0022 µF
1.0 µF 1 kHz 2 .99978 µF 1.0022 µF
1.0 µF 10 kHz 3 .9973 µF 1.0027 µF
10.0 µF 100 Hz 2 9.9978 µF 10.022 µF
10.0 µF 1 kHz 3 9.9978 µF 10.022 µF
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