operating and servicing manual. model 400a vacuum tube voltmeter. all serial numbers. this is a combined operation and service manual for model 400a voltmeter, all serial numbers, this manual contains com plete operation and servicing instructions hewlettpackard company. voltmeter Find great deals on eBay for hp 400d. Shop with confidence. Manuals or user guides for your HP Pavilion Slimline Desktop PC The Boat Anchor Manual Archive Mirror: hp400d 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 archive. Title: Operating and Service Manual: 400D, 400H, 400L Author: HewlettPackard Co. Subject: Vaccum Tube Voltmeter manual Keywords: HP 400D 400H 400L VTVM Manuals, Service Notes, Brochures, and Data Sheets.
The historic rollout of HewlettPackard equipment is detailed below, along with our archive of equipment manuals, service notes, data sheets, brochures, and any available collector references.
HP Archive This vintage Hewlett Packard document was preserved and distributed by www. hparchive. com in the operating manual. f()r the specified period. We will repair or replace products which prove to be defective during the warranty HewlettPackard HP400C AC VTVM. Having previously repaired a HewlettPackard HP400D Vacuum Tube Volt Meter, I was curious to see how the older model 400C compared to it. It is a more compact instrument dating from 1948 as an improved model of the first of the series, the HP400A which was first introduced in.
Price of the HP400C was 200. The HP400D Vacuum Tube Volt Meter is a wideband RMS voltmeter and amplifier. It is capable of reading AC from 1 millivolt full scale to 300 volts full scale. It has wideband response from below 10 hertz to a specified working accuracy limit of 4 Megahertz.
Hi all I picked up a HP 400D VTVM at a junk shop for 5 bucks. I thought it was a acdcohm meter, but found out it is a ac meter. It needs new test leads, but how useful would this be in radio work? HP 400D VTVM Meter Hewlett Packard. 20. 00. 0 bids. Used, unable to test, as is, parts or restoration. EICO AC VTVM Model 255 Volts Decibels.
39. 98. Buy It Now. It has the manual that is not in excellent condition, but good condition, it has a few checkmarks in it, and a little bit of writing. It has the original probes in very good I recently acquired a HP400D VTVM which currently has little to no regulation of the B supply.
The output measures at 318 Volts. It should be 250 Volts.