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Keysight U1281A/U1282A Service Guide
To unsecure the multimeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
To change the calibration security code . . . . . . . . . . . . . . . . . . . . . . 41
To reset the calibration security code to its factory default . . . . . . . 43
Using the Front Panel for Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . 45
Adjustment considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Valid adjustment input values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Vsense (non-contact voltage) calibration . . . . . . . . . . . . . . . . . . . . . 51
Adjustment procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Exiting the adjustment mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Calibration Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Calibration Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Fuse Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Returning the Multimeter for Service . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Replaceable Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
To order replaceable parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Types of Service Available . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Extended service contracts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Obtaining Repair Service (Worldwide) . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Содержание U1281A
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