Keysight U1281A Service Manual

Also see for U1281A: Quick start guide

Contents

Keysight U1281A Service Manual Manual pdf 53 page image

Calibration Procedures 1Keysight U1281A/U1282A Service Guide 53Adjustment procedure1 Turn the rotary switch to the respective test function position as shown inTable 1-19 detailing the adjustment input values.2 Unsecure the multimeter to enter the adjustment mode. See “Unsecuring theMultimeter for Calibration” on page 383 Verify that the security code you entered is correct. If the security code youentered is correct, the multimeter will display the reference input value of thenext calibration item. will appear briefly on the secondary display. SeeTable 1-19 for the list and sequence of all the calibration items.4 Input the same value as reference value on primary display to the correctterminals. Then press to start calibration.5 Check whether the right standard value has been applied, or see “CalibrationError Codes” on page 57.6 Repeat step 4 and step 5 until calibration is complete for all calibration values.7 Press or rotate the rotary switch to select other values to be calibrated.Repeat step 6 and step 8.NOTE Review the “Test Considerations” on page 26 and “Adjustment considerations”on page 45 before beginning the adjustment procedures.Hz SaveNOTE During the calibration period, the uncalibrated value is indicated on the primarydisplay and bar graph with indicated on the secondary display. Themultimeter will automatically check whether or not to save the calibration value. Ifthe calibration value passes the check, will appear briefly on the secondarydisplay and saved before moving on to the next step. If the value is out of theacceptable range, it will continue to display the current calibration value after anerror code is indicated briefly.Esc Shift