Superior performance. The Keysight Technologies, Inc. A multimeter gives you .. From Hewlett-Packard through Agilent to Keysight. For more than Agilent A /2 Digit Multimeter, Refurbished – at Test Equipment Depot. Superior Performance. The Agilent Technologies A multimeter gives you the perfor- mance you need for fast, accurate bench and system.

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Final test with 10VDC: Top Dog Test is corporate friendly we understand the traditional acquisition and capital approval process. All the magic and active parts are located on single mainboard.

Front panel board REV. Expertly Refurbished by TestEquity. Credits to EEVB log hewleft sonicyang which own this meter, for making this repair article possible. We tested this item and it appears to be functioning properly, though we did not run it through a The serial is SG HP A local 15V zener regulator. As you may already guess, all resistances were fine. This unit is in greatworking condition.

Agilent A Multimeter — Product overview.

First pxckard — zero calibration with 4W short. All information posted here is hosted just for education purposes and provided AS IS. U ASIC resistor network measurement results. Also shop in Also shop in. Layout is tidy and nicely packars for this instrument, thumbs up to HP engineers.

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This unit has been tested and is fully functional. DMM is very dirty outside, and definitely need good deal of scrubbing with alcohol and cleaning. This part is used and was removed in working condition. Good condition, “X” shaped scratch on the right side of the screen, small nick in rubber around the screen. Total man-hours spent on this project around 8 hoursgive or take few.

| HP A repair and calibration worklog

I had some left from other repairs, so you can see already new caps on photo above. The unit passed self-testing pic 2. These are often a problem on old instruments, if contacts got contamination and unable to maintain low resistance connections. Since board does not have RefDes markings around parts, I did highlights on photo to summarize on changed parts during debug and test:. This is one of best connections, and look really clean.

Skip to main content. Number of bids and bid amounts may be slightly out of date. If you would like to support us by making a donation please click the Paypal button: Few photos of calibration steps for better understanding. Again, it was tested and works fine! Redistribution and use of this article or any images or files referenced in it, in source and binary forms, with or without modification, are permitted provided that the pxckard conditions are met:.

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We are located in the heart of the Silicon Valley California. Hwwlett yes, some were dead short, and some were missing, likely due previous owner repair attempts. Bad parts from meter.

Keysight A Digital Multimeter — Datasheet. All currents were stable and spot on expected values.

LM is socketed, just like more recent xA instruments. Hp Agilent Keysight A. The photos are of the actual item being sold. HP A Zero calibration with 4W short. As usual, every repair should start from local power supply diagnostics and debug.

Agilent 34401A

HP A mainboard, top and bottom side photographs. HP A more zener regulators and pakard. July 19,6: Agilent HP A 6. Agilent Keysight A Digital Multimeter 6. The display is very bright and even Removed front panel, to get easier access to mainboard. NO Options are marked.

Providing the finest test equipment solutions since 1992

Agilent A Refine Results. First step — zero calibration with 4W short Image This page was last updated: After calibration, values are compared to Keithley meter to ensure they agree on readings. Includes all Standard Accessories.