Date: Mon, 21 Oct 2002 09:48:53 -0400
Author: "H. Lu"
Subject: RE: PCA-II MCA
I wrote a very basic program/driver for PCA-II working under
> -----Original Message-----
> From: email@example.com
> [mailto:firstname.lastname@example.org] On Behalf Of Paul Nord
> Sent: Monday, October 21, 2002 9:24 AM
> To: email@example.com
> Cc: Paul Nord
> Subject: Re: PCA-II MCA
> Stan, George,
> Actually, we routinely run it under windows 95. But you can't switch
> back to windows mode while it's running. You need to be in the
> full-screen DOS mode. Otherwise it looses counts. Even
> this way, it
> seems that you need to keep the data collection rate low. It quickly
> shows a high dead time.
> We have one PCA-III. It has a data acquisition processor on
> the board
> and can continue to function without any software running.
> It also has
> a battery that will save your data if the power goes off ---
> that actually happened to some of our students using a
> PCA-II just last
> weekend. The PCA-III also saves the information about the data
> collection such as live-time and total acquisition time.
> We do use it with Laserjet printers over a Novell network. I setup a
> print-screen utility that translates the screen into proper Laserjet
> output. Though... I think that the newer version of the program does
> that by itself. It's been a while since I looked at it, but I think
> that is true. When it works correctly I quickly forget how
> it got that
> On Sunday, October 20, 2002, at 06:06 PM, Stanley A Dodds wrote:
> > According to Paul Nord, Tennelec-Nucleus was bought by Canberra
> > sometime before September 2000. You can probably find more current
> > products listed on the Canberra site, www.canberra.com, but
> the PCA-II
> > is long gone.
> > Paul also notes that the PCA-II was not designed to be used with a
> > multitasking OS, only with DOS. It apparently needs control of the
> > whole machine to function properly.
> > The solution adopted here is to keep a machine running DOS,
> solely to
> > house the card and software. I've also got a dot-matrix
> printer, since
> > DOS won't readily handle anything more modern. If you
> already have the
> > card and want to go this way I can send you a copy of the
> manual and
> > perhaps even the software.
> > An alternative would be a new 'student-grade' system. Spectrum
> > Techniques, www.spectrumtechniques.com, offers systems that look
> > remarkably like The Nucleus instruments. Pasco, among others,
> > distributes them.
> > Stan
> > On Sun, 20 Oct 2002, George M. Caplan wrote:
> >> I am looking for information about the PCA-II multichannel
> >> I think it is/was made by Nucleus, Inc., but I cannot find
> a Web site
> >> for them. Have they died? Been bought out? Merged with Enron?
> >> etc.