<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><span class="Apple-tab-span" style="white-space:pre">      </span> My cheap calibration protocol is to take a reading with three different gauges If the results are within a pound (+_) I figure it's close enough for a car tire.  <div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>As an aside, my Nissan truck has a simple TPS waring light on the dash, but if I plug in my code scanner it gives me the tire pressure in as read from each of the tire sensors.</div><div class=""><span class="Apple-tab-span" style="white-space:pre">  </span>Best,</div><div class=""><span class="Apple-tab-span" style="white-space:pre">     </span>Bob.<div class=""><div><br class=""><blockquote type="cite" class=""><div class="">On May 30, 2022, at 8:45 AM, Bob Spidell <<a href="mailto:bspidell@comcast.net" class="">bspidell@comcast.net</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
  
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    re: "It is accurate"<br class="">
    <br class="">
    How do you know? I've actually looked for a measurements lab to
    calibrate gauges; they're few and far between.<br class="">
    <br class="">
    <br class="">
    <div class="moz-cite-prefix">On 5/30/2022 4:40 AM, Robert Rochlin
      wrote:<br class="">
    </div>
    <blockquote type="cite" cite="mid:DFD3147E-6C47-48D9-8565-CBC8D0569B93@comcast.net" class="">
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      Hi Guys,
      <div class=""><span class="Apple-tab-span" style="white-space:pre">     </span>I’ve
        been using a Jaco tire gauge for years.  It is accurate, doesn’t
        use batteries, and is warranted for life. The best part is that
        it glows in the dark (really) and is very easy to read.  For
        most of my life I used pencil type inflation gauges, which,
        while accurate, were really difficult to read. </div>
      <div class=""><a href="https://www.amazon.com/dp/B010A6B6KG/ref=redir_mobile_desktop?_encoding=UTF8&aaxitk=3fb0d5ac19778cf96082216834cd8c21&content-id=amzn1.sym.488a18be-6d86-4de0-8607-bd4ea4b560f3:amzn1.sym.488a18be-6d86-4de0-8607-bd4ea4b560f3&hsa_cr_id=9387928130101&pd_rd_plhdr=t&pd_rd_r=33e3d461-fb6d-4c4e-a750-20dec79ddb4f&pd_rd_w=4N9UY&pd_rd_wg=LAyD2&ref_=sbx_be_s_sparkle_mcd_asin_0_img" class="" moz-do-not-send="true">https://www.amazon.com/dp/B010A6B6KG/ref=redir_mobile_desktop?_encoding=UTF8&aaxitk=3fb0d5ac19778cf96082216834cd8c21&content-id=amzn1.sym.488a18be-6d86-4de0-8607-bd4ea4b560f3%3Aamzn1.sym.488a18be-6d86-4de0-8607-bd4ea4b560f3&hsa_cr_id=9387928130101&pd_rd_plhdr=t&pd_rd_r=33e3d461-fb6d-4c4e-a750-20dec79ddb4f&pd_rd_w=4N9UY&pd_rd_wg=LAyD2&ref_=sbx_be_s_sparkle_mcd_asin_0_img</a></div>
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      <div class=""><span class="Apple-tab-span" style="white-space:pre">     </span>Best, </div>
      <div class=""><span class="Apple-tab-span" style="white-space:pre">     </span>Bob</div>
      <div class=""><span class="Apple-tab-span" style="white-space:pre">     </span>’72
        TR6</div>
      <div class="">
        <div class=""><br class="">
          <blockquote type="cite" class="">
            <div class="">On May 30, 2022, at 12:09 AM, John T. Blair
              <<a href="mailto:jblair1948@cox.net" class="moz-txt-link-freetext" moz-do-not-send="true">jblair1948@cox.net</a>>
              wrote:</div>
            <br class="Apple-interchange-newline">
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              <div class="">
                <font class="" size="3">At 08:54 PM 5/29/2022, Randy
                  wrote:<br class="">
                  <br class="">
                  >I've had some of those and I found if i kept them
                  in the glovebox the
                  batteries <br class="">
                  >didn't last very long, especially in the summer.<br class="">
                  <br class="">
                  I have to agree.  I have a little nicer electronic one
                  than the one
                  Bob suggested.  <br class="">
                  I've had the batteries go bad in several of my
                  electronic gauges and leak
                  and <br class="">
                  made a mess in the gauges.  Trying to clean them and
                  make the usable
                  again is<br class="">
                  a real pain.  So I strongly suggest that you take the
                  batteries out
                  of the gauge <br class="">
                  when not in use and store them in a plastic baggie. 
                  That way, when
                  the leak, they <br class="">
                  don't mess up the gauge.<br class="">
                  <br class="">
                  John<br class="">
                  <br class="">
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