Date
Re: Anti Static Vacuum Cleaners
Greetings, I have had the same issue over the years and found that compressed air works great. It has been my experience that blowing the dust and crud off was more effective than trying to vacuum
By ken chalfant · #86350 ·
Re: Anti Static Vacuum Cleaners
I know that when installing a dust collection system for a wood shop, if metal ducting is not to be used, it is important that discharge wires be run inside all the ductwork and grounded to the dust
By Dave Daniel · #86348 ·
Unsubscribing?
I'm having trouble unsubscribing.  Twice I've sent an unsubscribe request in, and twice I've confirmed it, but still getting posts.  Any ideas? Bob - AE6RV
By Bob Stewart <bob@...> · #86347 ·
Re: Anti Static Vacuum Cleaners
Thar does, indeed, look like what we used to use. Thanks. DaveD
By Dave Daniel · #86349 ·
Hp3562a DSA A4 board WANTED
Has anyone got an A4 board (DFA) for the Hp3562a? I am looking for a parts machine in the UK too. Thanks Simon
By sifisi155@... · #86346 ·
HP 1740A HV Oscillator has stopped running
Hi everyone, the last time I asked a question I got some very good advice, so lets see if we have same luck this time. I have the 1740A that I'm trying to restore, its in really good condition
By graham.l.n.butcher@... · #86345 ·
Re: Anti Static Vacuum Cleaners
Dave - About a year ago I bought a small vacuum that was specifically intended to clean computers. It will both suck or blow and has lots of attachments. I think it was around $100, but I am no
By Mike Feher · #86344 ·
Re: KNOBS HP1701 SCOPE
Hi Bob Well done in getting the olde going. I have just done the same with a 1725a. It was received with no covers bent timebase shafts. Wiring looms cut and no power supply power
By Keith Cockburn <keith77777@...> · #86343 ·
Re: 5342A: blown sampler?
I have a 5342A with option 005 which extends operation from 18GHz to 24GHz. It has the original N-type connector though. So I expect there must be other hardware changes, or as Steve K suggests
By Steve A · #86342 ·
Re: Anti Static Vacuum Cleaners
Thanks Pete, Yes, that will fit the bill� exactly what Im looking for! Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 Sent: Saturday, October 21, 2017 12:57 AM To:
By Dave Smith · #86341 ·
Re: Anti Static Vacuum Cleaners
The 3M model 497 is an example of the kind of vacuum you want for this work. They can be had used on eBay for < $100. -Pete
By Peter Loron <peterl@...> · #86340 ·
Re: Anti Static Vacuum Cleaners
In general, it is not a problem. The thing with static electricity and vacuum cleaners is, though. What happens is the dust inevitably has a charge, and when it gets dragged through the hose, it
By Chuck Harris · #86339 ·
Re: Anti Static Vacuum Cleaners
I looked around for something similar a while back. I was thinking of the vacuums used to clean out toner from printers (we used to have these when I worked for STK Printer Ops). They had small
By Dave Daniel · #86338 ·
KNOBS HP1701 SCOPE
HELLO to the Group... Recently aquired a slightly damaged 1701 scope. The three knobs on the time base selector were missing, and all three shafts were bent..Through some subtle persuation, and
By sl45000@... · #86337 ·
Re: Anti Static Vacuum Cleaners
Yeah, static rated vacs are a royal pain. Easy way? Go outside with compressed air! :) Or build a box with pegboard on top and an inlet for a shop vac. Also good for sanding on and not getting
By bownes · #86336 ·
Anti Static Vacuum Cleaners
Greetings, I was working on an HP 438A Power Meter yesterday which was absolutely filthy inside. This thing must have been run 24/7 in a filthy environment over the years. I had to replace the fan,
By Dave Smith · #86335 ·
OT Omni Spectra Semi-Rigid Tools
Recently I obtained an Omni-Spectra Semi-Rigid Tool set for use to attach SMA connectors to .141 and other semi-rigid coax..... The set was called a T-200/400 set. I also see on Ebay a T-450
By Daniel Nelson · #86333 ·
Re: 2225a gpib inkjet
Had (or probably still have somewhere) 1 or 2 of the parallel versions of them way back in 1990ish timeframe. I remember when you start a new cartridge, you use something to push the ink bladder in
By Andrew Hakman · #86334 ·
Re: HP 3455A stability issue
I believe the creep is normal in a 3455A—the Autocal circuitry is designed to correct for the creep. The 3456A uses different circuits and doesn't creep, so it doesn't need the Autocal circuit. I
By Jeremy Nichols · #86332 ·
2225a gpib inkjet
So I’ve been asked to help dig out a house of a deceased electronic, test equipment and ham radio hoarder. One of the things it turned up while going through the many many boxes was 3 HP2225
By bownes · #86331 ·