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Re: [Shop-talk] Tire Pressure Gauges

To: shop-talk@autox.team.net
Subject: Re: [Shop-talk] Tire Pressure Gauges
From: Mike Sinclair <phoenix722@comcast.net>
Date: Sun, 29 May 2022 18:53:39 -0700
Delivered-to: mharc@autox.team.net
Delivered-to: shop-talk@autox.team.net
References: <CAO8Q7CPdT-HefV5B3Az52=pGnRc76R6P30U=dfRH44G6NjnhYA@mail.gmail.com> <6106e6bb-412b-c741-e533-27c90e272ce3@comcast.net>
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So have I.

Mike

On 5/29/2022 5:12 PM, Bob Spidell wrote:
> I've had good luck with these:
>
> https://www.amazon.com/Accutire-MS-4021B-Digital-Pressure-Gauge/dp/B00080QHMM/ref=asc_df_B00080QHMM/?tag=hyprod-20&linkCode=df0&hvadid=312177448019&hvpos=&hvnetw=g&hvrand=16563417771390584939&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9032278&hvtargid=pla-567122411030&psc=1&tag=&ref=&adgrpid=61495038909&hvpone=&hvptwo=&hvadid=312177448019&hvpos=&hvnetw=g&hvrand=16563417771390584939&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9032278&hvtargid=pla-567122411030
>  
>
>
> You don't know for sure how accurate a gauge is unless you compare it 
> to a lab standard, but repeatability is a good sign, and these always 
> do. FWIW, they agree with the TPS monitor in my Mustang.
>
> Bob
>
>
>
> On 5/29/2022 10:11 AM, Jeff Scarbrough wrote:
>> A couple of tire pressure gauge questions:
>>
>> I got tired of cheap Horrible Freight tire inflators, so I sprung for 
>> a brace of Milton S-506 inflators, thinking of they were good enough 
>> for the gas station of my youth, they ought to be ok now.  One in the 
>> garage, one in the shop...they don't see a ton of use.  Last week, I 
>> was filling bicycle tires in the garage with the hotdog compressor, 
>> and couldn't get the air up sufficiently in the tire.  Finally went 
>> to get another gauge...my electronic gauge quit, and my 50 years old 
>> Bridgeport Brass gauge needs rebuilding, so I grabbed the.othwr 
>> Milton inflator.  Turns out, I had missed blowing up the bicycle 
>> tires only by a miracle of Chinese rubber.  One inflator reads 50 psi 
>> while the other one reads 90.
>>
>> So, like when two inmates at the asylum both claim to be Napoleon, at 
>> least one of them is lying. And at least one will need repairing.
>>
>> So, two questions:.
>>
>> 1.  Any suggestions for a good reliable electronic or analog pressure 
>> gauge to verify/calibrate the inflators?  (I also need one to put in 
>> my daughter's car, so gloveboxability is a plus).
>>
>> 2.  Anyone ever repair a Milton (or Bridgeport) tire gauge?  Any 
>> suggestions?  The Milton's aren't very old, especially in terms of 
>> what we old guys expect from our expensive American made tools.
>>
>> Bonus question:. How might one calibrate a pressure gauge against a 
>> primary source?  I'm thinking of a water column or something, but 35 
>> psi is approximately 80 feet of water.  I'm finding that impractical 
>> for home use.
>>
>
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    <p><font face=3D"Tahoma">So have I.</font></p>
    <p><font face=3D"Tahoma">Mike</font><br>
    </p>
    <div class=3D"moz-cite-prefix">On 5/29/2022 5:12 PM, Bob Spidell
      wrote:<br>
    </div>
    <blockquote type=3D"cite"
      cite=3D"mid:6106e6bb-412b-c741-e533-27c90e272ce3@comcast.net">I've
      had good luck with these:
      <br>
      <br>
<a class=3D"moz-txt-link-freetext" href=3D"https://www.amazon.com/Accutir=
e-MS-4021B-Digital-Pressure-Gauge/dp/B00080QHMM/ref=3Dasc_df_B00080QHMM/?=
tag=3Dhyprod-20&amp;linkCode=3Ddf0&amp;hvadid=3D312177448019&amp;hvpos=3D=
&amp;hvnetw=3Dg&amp;hvrand=3D16563417771390584939&amp;hvpone=3D&amp;hvptw=
o=3D&amp;hvqmt=3D&amp;hvdev=3Dc&amp;hvdvcmdl=3D&amp;hvlocint=3D&amp;hvloc=
phy=3D9032278&amp;hvtargid=3Dpla-567122411030&amp;psc=3D1&amp;tag=3D&amp;=
ref=3D&amp;adgrpid=3D61495038909&amp;hvpone=3D&amp;hvptwo=3D&amp;hvadid=3D=
312177448019&amp;hvpos=3D&amp;hvnetw=3Dg&amp;hvrand=3D1656341777139058493=
9&amp;hvqmt=3D&amp;hvdev=3Dc&amp;hvdvcmdl=3D&amp;hvlocint=3D&amp;hvlocphy=
=3D9032278&amp;hvtargid=3Dpla-567122411030">https://www.amazon.com/Accuti=
re-MS-4021B-Digital-Pressure-Gauge/dp/B00080QHMM/ref=3Dasc_df_B00080QHMM/=
?tag=3Dhyprod-20&amp;linkCode=3Ddf0&amp;hvadid=3D312177448019&amp;hvpos=3D=
&amp;hvnetw=3Dg&amp;hvrand=3D16563417771390584939&amp;hvpone=3D&amp;hvptw=
o=3D&amp;hvqmt=3D&amp;hvdev=3Dc&amp;hvdvcmdl=3D&amp;hvlocint=3D&amp;hvloc=
phy=3D9032278&amp;hvtargid=3Dpla-567122411030&amp;psc=3D1&amp;tag=3D&amp;=
ref=3D&amp;adgrpid=3D61495038909&amp;hvpone=3D&amp;hvptwo=3D&amp;hvadid=3D=
312177448019&amp;hvpos=3D&amp;hvnetw=3Dg&amp;hvrand=3D1656341777139058493=
9&amp;hvqmt=3D&amp;hvdev=3Dc&amp;hvdvcmdl=3D&amp;hvlocint=3D&amp;hvlocphy=
=3D9032278&amp;hvtargid=3Dpla-567122411030</a>
      <br>
      <br>
      You don't know for sure how accurate a gauge is unless you compare
      it to a lab standard, but repeatability is a good sign, and these
      always do. FWIW, they agree with the TPS monitor in my Mustang.
      <br>
      <br>
      Bob
      <br>
      <br>
      <br>
      <br>
      On 5/29/2022 10:11 AM, Jeff Scarbrough wrote:
      <br>
      <blockquote type=3D"cite">A couple of tire pressure gauge questions=
:
        <br>
        <br>
        I got tired of cheap Horrible Freight tire inflators, so I
        sprung for a brace of Milton S-506 inflators, thinking of they
        were good enough for the gas station of my youth, they ought to
        be ok now.=C2=A0 One in the garage, one in the shop...they don't =
see
        a ton of use.=C2=A0 Last week, I was filling bicycle tires in the=

        garage with the hotdog compressor, and couldn't get the air up
        sufficiently in the tire.=C2=A0 Finally went to get another
        gauge...my electronic gauge quit, and my 50 years old Bridgeport
        Brass gauge needs rebuilding, so I grabbed the.othwr Milton
        inflator.=C2=A0 Turns out, I had missed blowing up the bicycle ti=
res
        only by a miracle of Chinese rubber.=C2=A0 One inflator reads 50 =
psi
        while the other one reads 90.
        <br>
        <br>
        So, like when two inmates at the asylum both claim to be
        Napoleon, at least one of them is lying. And at least one will
        need repairing.
        <br>
        <br>
        So, two questions:.
        <br>
        <br>
        1.=C2=A0 Any suggestions for a good reliable electronic or analog=

        pressure gauge to verify/calibrate the inflators?=C2=A0 (I also n=
eed
        one to put in my daughter's car, so gloveboxability is a plus).
        <br>
        <br>
        2.=C2=A0 Anyone ever repair a Milton (or Bridgeport) tire gauge?=C2=
=A0 Any
        suggestions?=C2=A0 The Milton's aren't very old, especially in te=
rms
        of what we old guys expect from our expensive American made
        tools.
        <br>
        <br>
        Bonus question:. How might one calibrate a pressure gauge
        against a primary source?=C2=A0 I'm thinking of a water column or=

        something, but 35 psi is approximately 80 feet of water.=C2=A0 I'=
m
        finding that impractical for home use.
        <br>
        <br>
      </blockquote>
      <br>
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