AGILENT E3640A PDF

Agilent. EA – EA. Programmable DC Power Supplies. Data Sheet. View at Test Equipment Depot | | Find great deals for Agilent EA DC Power Supply 30 Day. Shop with confidence on eBay!. On Sale Agilent EA. We take purchase orders and can provide special school, government and corporate pricing.

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After doing a little research I found that it was a known issue for the rotary encoders in these power supplies to fail. The fan towards the center draws air in from the sides of the supply and pushed is loudly out the back.

Because the encoder snaps into place I had to cut the two large legs off of the old encoder before Agi,ent could comfortably remove it from the board.

Ships in weeks. Other than that there are a lot of passive components and a MOV soldered on near the output.

Agilent E3640A DC Power Supply 30 Day

After the knob is pulled off the front the dark cover needs to be removed. Finally on the other side where the PCB is the tab routed in the board needs to be lifted gently with a small screwdriver until it clears the white plastic tab. Finally the board is out and the rotary encoder can be replaced! Request a Rental Quote. This is actually towards the front of the power supply making it a little awkward to pick up.

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Agilent Technologies / Keysight Technologies E3640A

After it is loose the cover tilts forward and is easily removed. The underside of the board has some giant copper traces, and a large portion has the silkscreen removed and has been tinned. You must have JavaScript enabled in your browser to utilize the functionality of this website. Accredited Calibration without Data. JavaScript seems to be disabled in your browser. It is also the same encoder used in many different Agilent products. Request a Calibration Quote. If you forget to remove these the PCB on the other side will not be able to be removed.

This lead me to believe that the only issue with this power supply was that the rotary encoder was on its last legs. Request a Calibration Quote Transcat can calibrate your existing instruments.

Repair of an Agilent EA DC Power Supply – William Breidenthal

The front panel is easily separated from the main body of the power supply. After removing agileng couple of screws the whole inside of the power supply slides out the front. By making it simple to connect, control instruments, and automate test sequences you can quickly move past the test development phase and access results faster than ever before with just a few clicks.

Leave a Reply Cancel reply. I made sure the holes had minimal solder before pressing the new encoder into place and soldering.

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Would you like this item calibrated? Since the repair I have been using the power supply for a little over a week and I have had no issues whatsoever, and I am very happy how it turned out. I recently bought a used Agilent power supply in a very sad condition. I cleaned up the flux left over with a little rubbing alcohol and put everything back together. I hope my repair can help someone else out if they are having similar issues with their supply. The picture above is the new encoder from Agilent.

It does have two speeds loud-ish and louder? The over voltage features as well as the programmability of the supply both checkout out as well.

Don’t forget the Software! A couple days later I had a new rotary encoder ready to be installed. Transcat makes it easy: This product is available for shipping to United States and Canada only. The new encoder worked perfectly and made the supply work like new. Keysight BenchVue software for the PC eliminates many of the issues around bench testing.

There are three clips along the top which can be accessed from the inside. Now to actually get it installed.