HP 3400A PDF


A RMS VOLTMETER. Product Status: Obsolete | View Service Options. This product is no longer available. Visit Technical Support. No replacement found. Path: /hp/a/. This is the BAMA archive. These manuals are available for download and free of charge. I am now accepting new manuals for inclusion in this. New -hp- A RMS Voltmeter has a 10 megohm input impedance, no zero set control, and a high crest factor with immunity to large overloads. Sensitivity is.

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The manuals for the hp A are np available from the Agilent website and other manual down load sites, so we have not re-scanned or re-posted it here. Replacing the A2 board foam: Used condition as pictured. Skip to main content. There might still be a place in the Lab for this Forgotten Meter. Offer AccuSource Electronics is always happy to consider reasonable offers on our test instruments.

Please let us know which of these you would be willing to consider for the price discount. Remove all of the old insulation foam, including the adhesive paper tape at the bottom of each plastic slot.

HP 3400A RMS Voltmeter

So, these ACV meters with wideband input amplifiers, are non-the-less relatively slow in response time, presumably one of the reasons beyond cost that gp thermocouple technology is no longer used. Show More Show Less. Please enter your offer below for consideration. The temperature of the first heating element is registered by a first thermocouple.

This item may be a floor model or store return that has been used.

If you are looking for a late model A series from and some later years, the only way to be sure might be to see the prefix in a picture of the rear panel or to ask the seller. Place the unit on its side during spraying, so the A2 board is on top and does not get sprayed. A “balancing” amplifier applies whatever DC voltage hpp needed to a second heating element attached to a second thermocouple to match the temperature of the first heating element.


The item may have some 340a0 of cosmetic wear, but is fully operational and functions as intended. Save on Voltmeters Trending price is based on prices over last 90 days. With the power off, the meter needle should be on “0”. As well documented, for example, by Jim Williams and Todd Owen of LTC [5], average responding meters do not directly measure noise correctly.


Jim Williams passed away 3400s same Sunday that I was writing my first notes on high crest factor measurements. As well documented at other sites, there has been an evolution of the HP A series meters jp their introduction inthrough the late s ending with the B. Recently, the availability of late model e. Input impedance is 10 Mohms. Doing hhp will ensure that you don’t overload or damage the meter.

Additional Info Please provide any additional information which could help us determine whether we can meet your requirements for this offer. Thank you for allowing us the opportunity to assist with your test equipment needs. We will notify you as soon as this item is available for purchase. The fear of sockets in uV circuits is in our opinion over-rated. Standard accessories supplied by the original manufacturer No manuals or accessories required Other specify Will 3400s accept an instrument with minor cosmetic and physical flaws if it operates properly?

We hope to earn your business. In the process of the repair, we changed out the chopper stabilized amplifier and added a high quality 14 pin socket [9] In fact, the repaired unit is somewhat more stable less noisy than the working unit, which makes us wonder if due to the improved LTC part?

Since then, hl have been investigating low cost solutions for low level AC measurements. Jim’s absence will be a huge loss to the Analog design community.

Agilent / HP A RMS Analog Voltmeter | eBay

We would also greatly appreciate it if you could provide us with this error code: This item doesn’t belong on this page. Although not a fixed rule, the later models can be generally identified by a white neon bulb front panel power light indicator, the more modern hp logo black and blue silk screen painted on the panel, the black toggle power switch not the metal toggleand a fuse holder with the light grey insert the removable part on the rear panel.


Unable to Process Request Your offer was received but we are unable to process it for the following reason: In-Stock Notification Request Sent Your request to be notified when this product is back in stock has been sent to our sales department.

Mouse move on Image to zoom. Correct Issue Close Wizard. Trending Price New. That is why as long as it reads correctly at both points and in-betweenwhere it falls between the zero mark and the first mark with no signal input, is of no consequence. Additional Info Please let us know any information that will help us fill your requirement such as urgency, quantity needed, etc.

Later the circuit was updated using the then new Intersil ICL style of integrated chopper amplifiers. Another approach might be to do the test with two or more A and move the A6 board with the socket between the units in separate test runs over temperature.

A ground wire is soldered to the bottom of the board and does not need to be removed. See also their main gallery.

Please provide the requested information to receive an estimated shipping cost. More measurements to follow some day. Symptoms included significant movement of the meter needle and low sensitivity. For example, numbers were over 32, by 3400 year Power cord connector removed and replaced with a fixed power cord.

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