Select autorange or manual ranging. Menu Command Keys. • Immediate access to eight common commands. • Shifted keys allow simple access to complete. No other specifications are affected. Refer to the HP A Operating, Programming, and. Configuration Manual for complete performance specifications;. Hp A Pdf User Manuals. View online or download Hp A Repair Manual , Technical Manual.

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Meters containing Option will return a 1,0 when queried with an OPT? Learn More – opens in manal new window or tab Any international shipping and import charges are paid in part to Pitney Bowes Inc. Test chart with used low-temp A9.

Leaking capacitors from A6 board.


Making a precision Vdc measurement on the 10 V range. DMM assembly, initial checks. This is crucial to keep this PCB clean for proper operation of high ohms ranges and low current modes. Select a valid country. Gunk in fan motor and motor board. Back to home page. These procedures involve working with line mains voltage, so be careful and pay attention of what you doing, to avoid electric shock! HP A restoration project worklog xDevs.


This calibration constant can be read from front panel by CAL?

hp33458a HPA Schaffner mains line filter failure Wiki: This amount is subject to change h3p458a you make payment. Learn more – opens in a new window or tab. Few final touches will be done prior to final assembly, but we can work with this.

Installation note for covers this operation in detail. Digital board versions A5 Outguard Controller There are multiple revisions of A5 board assembly in A units over its 25 year lifetime. Sell now – Have one to sell? See terms – opens in a new window or tab.

After 6 month of use meter started to behave flaky and hanged often during reading TEMP? Short dialog with owner happen promptly: Current overload protection done by a series fuse F, diode CR and hybrid module Z on alumina substrate, which is essentially a high-voltage current limiter formed by array of 10 PNP transistors in TO Quick Reference Guide, Edition 2, Dec HP A AC board main amplifier schematics. Seller assumes all responsibility for this listing.

HP a Multimeter Operating Programming and Configuration Manual – a – METRO CAD INC. Auction

Test chart with original high-temp A9. Please enter a valid ZIP Code.

You might get the hint here, right? But since we have nothing better, I will copy this data into manuual Dallas DS so we can use it as starting point. Read more about the condition. After few months of use, intermittent failures and hangs begin to occur even without any GPIB connection, right after power on. Select a valid country. Other offers may also be available. From previous Keithley Model repair projects I have one extra power transformer, which happen to have same voltage outputs, as HP one, just at lower power rating.


This item will be shipped through msnual Global Shipping Program and includes international tracking. This gives us idea, that optical maanual cable is okay, but something on boards is faulty. DCV Tempco measurement results As we can see, reduced oven temperature for A9 reference does not actually improve temperature coefficient of the DC voltage function of the meter.

HP 3458A Manuals

There is interesting open connection routing with open mask on top side of PCBjust near connector pins. A new, unused item with absolutely no signs of wear. Paper sticker was used to avoid confusion of connector purpose, in case service required in future.