Keithley 2015, Руководство по обслуживанию

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Calibration Reference B-19
Table B-5
Calibration error summary (continued)
Error number and description
+450, "100m vac dac error"
+451, "1 vac dac error"
+452, "10 vac dac error"
+453, "100 vac dac error"
+454, "100m vac zero error"
+455, "100m vac full scale error"
+456, "1 vac zero error"
+457, "1 vac full scale error"
+458, "1 vac noise error"
+459, "10 vac zero error"
+460, "10 vac full scale error"
+461, "10 vac noise error"
+462, "100 vac zero error"
+463, "100 vac full scale error"
+464, "750 vac zero error"
+465, "750 vac full scale error"
+466, "750 vac noise error"
+467, "Post filter offset error"
+468, "1 aac zero error"
+469, "1 aac full scale error"
+470, "3 aac zero error"
+471, "3 aac full scale error"
+472, "Input time constant error"
+473, "Frequency gain error"
+480, "Fgen full scale error"
+481, "Fgen DC offset error"
+482, "Fgen frequency gain error"
+485, "1 vac distortion gain error"
+500, "Calibration data invalid"
+513, "AC calibration data lost"
+514, "DC calibration data lost"
+515, "Calibration dates lost"
+516, "Fgen calibration data lost"
+517, "Dist calibration data lost"
+610, "Questionable calibration"