Inexpensive Digital Strip Chart Recorder

Discussion in 'Electronic Equipment' started by Too_Many_Tools, Jan 11, 2006.

  1. I am looking for an inexpensive digital strip chart recorder.

    Does something like this exist?

    Are there addons for a laptop, pda or pocket pc that allows one to
    record, store and display analog data similar to the good old chart
    recorder?

    Thanks for any leads.

    TMT
    Too_Many_Tools, Jan 11, 2006
    #1
  2. Too_Many_Tools

    Donald Guest

    Too_Many_Tools wrote:
    > I am looking for an inexpensive digital strip chart recorder.
    >
    > Does something like this exist?
    >
    > Are there addons for a laptop, pda or pocket pc that allows one to
    > record, store and display analog data similar to the good old chart
    > recorder?
    >
    > Thanks for any leads.
    >
    > TMT
    >

    Inexpensive and "strip chart recorder" are mutually exclusive.

    Yes, there are lots of addons, google gets tons of hits
    "http://www.google.com/search?hl=en&q=analog+data+recorders"

    The next question is: "how much do you want to spend ?? "

    Portable, USB, serial, .... lots of questions.

    What are you trying to measure will determine what kind of analog data
    recorder to buy.

    donald
    Donald, Jan 11, 2006
    #2
  3. I would agree...I am surprised that in today's world of electronics
    that an inexpensive turnkey appliance is not available.

    The uses for something like this is many....and I am not trying to be
    specific since this will be used to measure a number of physical
    parameters.

    Let's say one wants a digital solution to what a old HP 680 Strip Chart
    Recorder would work for...is there anything out there today that works
    the same?

    TMT
    Too_Many_Tools, Jan 11, 2006
    #3

  4. >I would agree...I am surprised that in today's world of electronics
    > that an inexpensive turnkey appliance is not available.
    >
    > The uses for something like this is many....and I am not trying to be
    > specific since this will be used to measure a number of physical
    > parameters.
    >
    > Let's say one wants a digital solution to what a old HP 680 Strip Chart
    > Recorder would work for...is there anything out there today that works
    > the same?
    >
    > TMT


    Radio Shack used to sell a Metex VOM (Metex ME-11) that had a serial port
    output and software that made essentially a data logger which you could then
    pop into an excel or Quattro spreadsheet and massage the data anyway you
    liked. I bought two of them from their on-line catalog when they were on
    sale maybe 3 years ago, suspect you can still find them, maybe with an USB
    port these days. I use one of mine for metering the transmitted signal from
    NAA to detect SIDS. Lots more practical than my old Rustrak strip chart
    recorder, I can just throw away the "uninteresting" data and not use any
    paper at all. The other one is just a backup for my Fluke 77.

    W4ZCB
    Harold E. Johnson, Jan 11, 2006
    #4
  5. Too_Many_Tools wrote:
    > I am looking for an inexpensive digital strip chart recorder.
    >
    > Does something like this exist?
    >
    > Are there addons for a laptop, pda or pocket pc that allows one to
    > record, store and display analog data similar to the good old chart
    > recorder?
    >
    > Thanks for any leads.
    >
    > TMT
    >

    I don't know if the software is available, separately, but for $25 you
    can buy a 4 channel analog digitizer that comes with such software.
    http://www.dataq.com/194.htm
    John Popelish, Jan 11, 2006
    #5
  6. Too_Many_Tools

    Rich Webb Guest

    On 10 Jan 2006 17:47:31 -0800, "Too_Many_Tools"
    <> wrote:

    >I would agree...I am surprised that in today's world of electronics
    >that an inexpensive turnkey appliance is not available.
    >
    >The uses for something like this is many....and I am not trying to be
    >specific since this will be used to measure a number of physical
    >parameters.
    >
    >Let's say one wants a digital solution to what a old HP 680 Strip Chart
    >Recorder would work for...is there anything out there today that works
    >the same?


    Something like the USB-1208LS from Measurement Computing (I'd post a
    link but their referral/tag/cookie system seems to want two or three
    lines for the URL) plus an old laptop PC might do the trick.

    It's a relatively inexpensive USB gadget that comes with basic "strip
    chart" software as a demo app. They have other, faster, and more
    expensive models and more software, of course. IIRC, they still include
    their Universal Library w/ the device, so you can write your own apps
    with your own look & feel.

    Higher end stuff is available from places like http://www.astro-med.com/
    .... and priced accordingly. Good gear, though.

    --
    Rich Webb Norfolk, VA
    Rich Webb, Jan 11, 2006
    #6
  7. Too_Many_Tools

    Donald Guest

    Too_Many_Tools wrote:
    > I would agree...I am surprised that in today's world of electronics
    > that an inexpensive turnkey appliance is not available.
    >
    > The uses for something like this is many....and I am not trying to be
    > specific since this will be used to measure a number of physical
    > parameters.
    >
    > Let's say one wants a digital solution to what a old HP 680 Strip Chart
    > Recorder would work for...is there anything out there today that works
    > the same?
    >
    > TMT
    >

    OK,

    So the spec's are: not battery operated and must weight in at about 15
    pounds. ;-)

    I have used some of the smaller devices at :
    http://www.dataq.com/c_cr/index.htm

    There will be trade offs on "chart speed" = sample rate and resolution
    (step size) and max input voltage.

    good luck

    donald
    Donald, Jan 11, 2006
    #7
  8. Too_Many_Tools

    Neil Kurzman Guest

    Too_Many_Tools wrote:

    > I am looking for an inexpensive digital strip chart recorder.
    >
    > Does something like this exist?
    >
    > Are there addons for a laptop, pda or pocket pc that allows one to
    > record, store and display analog data similar to the good old chart
    > recorder?
    >
    > Thanks for any leads.
    >
    > TMT


    Sure

    Look For Data loggers.

    DataQ makes some cheap ones www.DataQ.com
    Neil Kurzman, Jan 11, 2006
    #8
  9. "Too_Many_Tools" <> wrote in message
    news:...
    > I am looking for an inexpensive digital strip chart recorder.
    >
    > Does something like this exist?
    >
    > Are there addons for a laptop, pda or pocket pc that allows one to
    > record, store and display analog data similar to the good old chart
    > recorder?


    "Round Robin Database Tool" - RRDTool - can possibly be hacked into
    submission: http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/


    >
    Frithiof Andreas Jensen, Jan 11, 2006
    #9
  10. Too_Many_Tools

    Guest

    Too_Many_Tools wrote:
    > I am looking for an inexpensive digital strip chart recorder.
    >
    > Does something like this exist?
    >
    > Are there addons for a laptop, pda or pocket pc that allows one to
    > record, store and display analog data similar to the good old chart
    > recorder?


    Check out

    http://www.picotech.com/

    Farnell stocked some of their gear when I last looked.

    --
    Bill Sloman, Nijmegen
    , Jan 11, 2006
    #10
  11. Too_Many_Tools

    carneyke Guest

    Has anyone checked Omega ?
    carneyke, Jan 11, 2006
    #11
  12. Too_Many_Tools

    Al Guest

    In article <>,
    "Too_Many_Tools" <> wrote:

    > I am looking for an inexpensive digital strip chart recorder.
    >
    > Does something like this exist?
    >
    > Are there addons for a laptop, pda or pocket pc that allows one to
    > record, store and display analog data similar to the good old chart
    > recorder?
    >
    > Thanks for any leads.
    >
    > TMT
    >


    http://www.lascarelectronics.com/promo.cfm?CFID=18736453&CFTOKEN=20840100

    Independent datalogger that is connected to your computer via USB.
    Program it and download data from it. About 99 bucks.

    Al
    Al, Jan 11, 2006
    #12
  13. Too_Many_Tools

    Steve Guest

    Steve, Jan 11, 2006
    #13
  14. [Note: F'up2 cut down --- should have been done by OP!]

    In comp.arch.embedded Too_Many_Tools <> wrote:
    > I would agree...I am surprised that in today's world of electronics
    > that an inexpensive turnkey appliance is not available.


    While a paper strip recorder might have seemed a good idea back in its
    day, actually using one in this day and age would be a rather obvious
    waste of paper. The kind of device you're looking for is called a
    storage oscilloscope or data logger, these days, mostly depending on
    its typical sampling rate and number of channels.

    Any computer or PDA with decent sound hardware should suffice for a
    working, no-cost, software-only approach. Just connect your analog
    input to line-in (adapt level and impedance as needed), and record
    your signal as an audio stream, which you can later transform into
    whatever kind of plot or display you like. It won't be spectacularly
    accurate, granted, but it'll still outperform a paper strip plotter on
    all practical counts.

    --
    Hans-Bernhard Broeker (-aachen.de)
    Even if all the snow were burnt, ashes would remain.
    Hans-Bernhard Broeker, Jan 11, 2006
    #14
  15. Too_Many_Tools

    Stef Guest

    In comp.arch.embedded,
    Hans-Bernhard Broeker <-aachen.de> wrote:
    >
    >Any computer or PDA with decent sound hardware should suffice for a
    >working, no-cost, software-only approach. Just connect your analog
    >input to line-in (adapt level and impedance as needed), and record
    >your signal as an audio stream, which you can later transform into
    >whatever kind of plot or display you like. It won't be spectacularly
    >accurate, granted, but it'll still outperform a paper strip plotter on
    >all practical counts.
    >

    For frequencies from 20Hz to 20kHz or so you're right and not only because
    the typical paper strip plotter's performance in that range is rather poor.

    (Most (all?) PC soundcards ar AC input only.)

    --
    Stef (remove caps, dashes and .invalid from e-mail address to reply by mail)

    The only thing better than love is milk.
    Stef, Jan 11, 2006
    #15
  16. Too_Many_Tools

    GregS Guest

    In article <>, Hans-Bernhard Broeker <-aachen.de> wrote:
    >[Note: F'up2 cut down --- should have been done by OP!]
    >
    >In comp.arch.embedded Too_Many_Tools <> wrote:
    >> I would agree...I am surprised that in today's world of electronics
    >> that an inexpensive turnkey appliance is not available.

    >
    >While a paper strip recorder might have seemed a good idea back in its
    >day, actually using one in this day and age would be a rather obvious
    >waste of paper. The kind of device you're looking for is called a
    >storage oscilloscope or data logger, these days, mostly depending on
    >its typical sampling rate and number of channels.
    >
    >Any computer or PDA with decent sound hardware should suffice for a
    >working, no-cost, software-only approach. Just connect your analog
    >input to line-in (adapt level and impedance as needed), and record
    >your signal as an audio stream, which you can later transform into
    >whatever kind of plot or display you like. It won't be spectacularly
    >accurate, granted, but it'll still outperform a paper strip plotter on
    >all practical counts.
    >


    Later transformation pretty much is not what a stripchart is all about.
    Real time control and observation! Position, zeroing, instant gain change, etc.
    Don't forget writing next to the plot. Very simple.

    The only thing I have used, is NI VI, which comes with acquisition cards.
    Converts to Excel.

    greg
    GregS, Jan 11, 2006
    #16
  17. "Hans-Bernhard Broeker" <-aachen.de> wrote in message
    news:...
    > [Note: F'up2 cut down --- should have been done by OP!]
    >
    > In comp.arch.embedded Too_Many_Tools <> wrote:
    >> I would agree...I am surprised that in today's world of electronics
    >> that an inexpensive turnkey appliance is not available.

    >
    > While a paper strip recorder might have seemed a good idea back in its
    > day, actually using one in this day and age would be a rather obvious
    > waste of paper. The kind of device you're looking for is called a
    > storage oscilloscope or data logger, these days, mostly depending on
    > its typical sampling rate and number of channels.
    >
    > Any computer or PDA with decent sound hardware should suffice for a
    > working, no-cost, software-only approach. Just connect your analog
    > input to line-in (adapt level and impedance as needed), and record
    > your signal as an audio stream, which you can later transform into
    > whatever kind of plot or display you like. It won't be spectacularly
    > accurate, granted, but it'll still outperform a paper strip plotter on
    > all practical counts.
    >
    > --
    > Hans-Bernhard Broeker (-aachen.de)
    > Even if all the snow were burnt, ashes would remain.
    Harold E. Johnson, Jan 11, 2006
    #17
  18. Too_Many_Tools

    Guest

    Too_Many_Tools wrote:
    > I am looking for an inexpensive digital strip chart recorder.


    I've used http://xoscope.sourceforge.net/ with a PCI audio card and got
    good results, but never quite come across a chart recorder.
    , Jan 12, 2006
    #18
  19. Too_Many_Tools

    John Guest

    On 10 Jan 2006 17:07:07 -0800, "Too_Many_Tools"
    <> wrote:

    >I am looking for an inexpensive digital strip chart recorder.
    >
    >Does something like this exist?
    >
    >Are there addons for a laptop, pda or pocket pc that allows one to
    >record, store and display analog data similar to the good old chart
    >recorder?
    >
    >Thanks for any leads.
    >
    >TMT


    Go to http://www.dataq.com/194.htm

    For $50US, you get a 4 channel, 10 bit A/D converter (serial interface
    to PC) and PC chart recorder software.

    John
    John, Jan 20, 2006
    #19

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