mine gets erratic when near ignition system components.
art d
----- Original Message -----
From: "MadMarx" <tr4racing@googlemail.com>
To: "'Friends of Triumph'" <FOT@autox.team.net>
Sent: Friday, July 09, 2010 4:42 PM
Subject: Re: [Fot] Faulty Water Temp Gauge?
>I use them on tires very successful.
>
> But if you measure your tire temperature after youve driven through the
> paddock a probe type sensor which you push into the surface for a few
> millimeters is better at that point because the surface is cooling down
> fast
> while deeper under the surface the heat remains longer.
>
> So if you measure in the paddock add a few degree F.
>
>
>
> Chris
>
>
>
> Von: robert bownes [mailto:bownes@seiri.com]
> Gesendet: Freitag, 9. Juli 2010 23:38
> An: MadMarx
> Cc: Friends of Triumph
> Betreff: Re: [Fot] Faulty Water Temp Gauge?
>
>
>
> How are they on tires?
>
>
>
> On Fri, Jul 9, 2010 at 5:31 PM, MadMarx <tr4racing@googlemail.com> wrote:
>
> Infrared gauges are precise on colored surfaces like a black coated
> radiator
> or rubber hoses.
> If you try to measure polished metal surfaces you will get much lower
> readings which has something to do with radiation on metal surfaces.
>
> If you would like to measure the thermostat housing put a strap tape on
> the
> housing, wait a few seconds for the tape to adjust temperature and then
> measure the tape and you'll get the correct temperature.
>
>
> Chris
>
> -----Urspr|ngliche Nachricht-----
> Von: fot-bounces@autox.team.net [mailto:fot-bounces@autox.team.net] Im
> Auftrag von Randall
> Gesendet: Freitag, 9. Juli 2010 23:22
> An: 'Friends of Triumph'
> Betreff: Re: [Fot] Faulty Water Temp Gauge?
>
>> Harbor Freight has their infra red temp sensor
>> on sale at 29.95. it has a slug of uses including
>> verifying temp gauge accuracy.
>
> But be careful what you try to shoot with it. I have one, and while it
> works well enough on the radiator tanks, it gives readings that are all
> over
> the place from the thermostat housing or radiator core.
>
> -- Randall
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