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User and Programming Manual - Rev H
California Instruments
May 2000
P Series
28
6.2.2 Current Measurement Calibration
1. Connect the test equipment to the power source as shown in Figure 6-2.
2. Connect the load to the output. Use the 100 milliohm current shunt in series with the load
to measure the AC load current. Refer to Table 2 for the proper full load.
3. Read the output voltage across the shunt with the external voltmeter.
4. To calibrate the current measurement functions, select the current function with the
frequency/current button. The current measurement readout will appear on the display.
5. Locate R29 on assembly board A4. Adjust R29 so that the current reading agrees with the
current measured with the external shunt and voltmeter.
Digital
Multimeter
AC Source
Shunt
Output
215K
Ω
Plug
Load
Digital
22UF
Multimeter
DC
Multimeter
Figure 6-2: Test Equipment Hook-up for Measurement Calibration
Содержание 801P Series
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