Keithley DMM7510, Руководство по калибровке, Страница: 37 / 142

Section 2: Performance verification Model DMM7510 7½ Digit Graphical Sampling Multimeter Calibration Manual
2-28 DMM7510-905-01 Rev. A / April 2015
Verify the analog trigger current 1 mA range
Description Verification point Lower limit Upper limit
Measure or Digitize
50 % scale rising 5.0000E-04 4.90E-04 5.10E-04
Measure or Digitize
50 % scale falling -5.0000E-04 -5.10E-04 -4.90E-04
Verify the analog trigger current 10 mA range
Description Verification point Lower limit Upper limit
Measure or Digitize
50 % scale rising 5.0000E-03 4.90E-03 5.10E-03
Measure or Digitize
50 % scale falling -5.0000E-03 -5.10E-03 -4.90E-03
Verify the analog trigger current 100 mA range
Description Verification point Lower limit Upper limit
Measure or Digitize
50 % scale rising -4.9500E-03 4.90E-02 5.10E-02
Measure or Digitize
50 % scale falling -5.0000E-02 -5.10E-02 -4.90E-02
Verify the analog trigger current 1 A range
Description Verification point Lower limit Upper limit
Measure or Digitize
50 % scale rising 5.0000E-01 4.90E-01 5.10E-01
Measure or Digitize
50 % scale falling -5.0000E-01 -5.10E-01 -4.90E-01
Verify the analog trigger current 3 A range
Description Verification point Lower limit Upper limit
Measure or Digitize
50 % scale rising 1.5000E+00 1.410E+00 1.590E+00
Measure or Digitize
50 % scale falling -1.5000E+00 -1.590E+00 -1.410E+00
Verify the analog trigger DC current 10 A range
To verify analog trigger current accuracy:
1. Connect the Model DMM7510 to the calibrator as shown in the following figure.
2. Set the frequency the calibrator output frequency to 100 Hz and 7.07 A
rms
.
3. Verify DC current to 3 % accuracy for rising and falling analog edge triggering.