Cycling Equipment · Public discussion

digital thermometer - cheap small fast wide range?

Started by wle · · Last activity · 3 posts · 480 views

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Cycling Equipment
Published
3 March 2005
Last activity
4 March 2005
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wle
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  1. is there such a thing as
    a digital thermometer - that is cheap small fast and wide range?

    what would be perfect is a regular medical type -
    if it would ONLY read from 0F to 200F.

    is there such a thing?

    all the ones i have seen, have a range of about 85F-110F.
    and i cannot find any actual published info on the ranges,
    they seem to never mention the range, assuming that
    you will only use it for medical purposes, i guess.

    specs:

    cost:
    < $20

    dimensions:
    long form factor : up to ball-point pen size,
    or short form factor: diameter of a quarter, 3/8 thick

    accuracy:
    +/- 2F

    range:
    -40F to 300F nice
    0F to 140F necessary

    speed:
    reads air temp within 10 sec
    this is the least important spec, it can take up to 60 sec
    if everything else is within specs.

    also i would like it to be on all the time, not have to press
    a button.

    battery life should be one year or more.

    wle.

  2. On 3 Mar 2005 05:45:28 -0800, "wle" <[email hidden]>

    Quoted message said:

    is there such a thing as
    a digital thermometer - that is cheap small fast and wide range?

    [snip wish list]

    Quoted message said:

    wle

    Dear WLE,

    The Davis WindScribe wind meter relies on knowing the
    temperature, so it has a nice temperature display that you
    can choose instead of monitoring puffs of air.

    It's rated for -4 to 122 degrees F, with 0.1 resolution, but
    +/- 2 F accuracy based on a 1.25 second average sampled
    every 80 ms, with high and low retained for your viewing
    pleasure.

    Like any thermometer, it probably resents being left in the
    sun, so you might have to rig a shield--I'm not sure yet
    where the temperature's taken. It may be already somewhat
    shielded and in the wind stream.

    It even gives a calculated wind chill.

    Alas, it's around $80, but easy to mount. A pure thermometer
    may well exist at a much lower price.

    Carl Fogel

  3. wle said:

    is there such a thing as
    a digital thermometer - that is cheap small fast and wide range?

    Try http://www.grainger.com/Grainger/searchresults.jsp

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