SC Series Instruction Manual - Model SC500 page 71
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Sensitivity to EMI/RFI
To obtain maximum immunity to electromagnetic or radio frequency interference,
make certain that the shields of the transducer cables are connected to the “cable
shield connection screw” on the rear panel of the instrument. See “Unamplified
Transducer Connection to Strain-Gage Input Channel” on page 53, “External
Arrangement of Model SC500” on page 27.
Shunt Calibration Feature not
Operating
To activate the channel’s shunt calibration function while the instrument is in RUN
Mode, see “Shunt Calibration Check” on page 21. This serves as a quick check of
the shunt cal feature.
Problems with shunt calibration are most likely caused by incorrect wiring, incor-
rect shunt cal resistor or using an incorrect instrument Shunt Cal Application con-
figuration.
•
Verify that the shunt calibration resistor installed on the Main Circuit Board is
the correct value per the transducer’s Calibration Record.
•
Most unamplified strain-gage transducers do not include a “buffered shunt
cal” feature. Verify that jumper settings are correct according to Table 4-8,
“Shunt Cal Application Configuration,” on page 54.
Summary of Contents for SC500
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