Keysight U1242C Service Manual

Also see for U1241C: Quick start guide User guide Quick start guide

Contents

Keysight U1242C Service Manual Manual pdf 52 page image

1 Calibration Procedures52 Keysight U1241C/U1242C Service GuideCalibration CountYou can query the multimeter to determine how many adjustments have beenperformed.The calibration count feature provides an independent “serialization” of yourcalibrations. You can determine the number of times that your multimeter hasbeen calibrated. By monitoring the calibration count, you can determine if anunauthorized calibration has been performed. The value is increased by one foreach calibration.The calibration count is stored in nonvolatile memory and does not change withpower ON/OFF or after a remote interface reset. Your multimeter was calibratedbefore it left the factory. When you receive your multimeter, take note of thecalibration counts as a record for maintenance.The calibration count increases by one for each calibration point, from upto the maximum . Once the maximum calibration count is reached, thecount will reset to . The calibration count can be read after the multimeterhas been unsecured. The calibration count cannot be programmed or reset. It isan independent electronic calibration “serialization” value.1 Press for more than 1 second in the adjustment mode to view thecalibration count.2 Take note of the calibration count to keep track of the number of calibrationsthat have been performed.3 Press for more than 1 second to exit the calibration count mode.NOTE The multimeter has been calibrated before it left the factory. You arerecommended to record the initial value of the calibration count once youreceive the multimeter.HzMaxMinHzMaxMin