[DeTomaso] Water temp sender?

[David Gardner]

     Actually, the way to do this is place the sensor in the heating  
water, and record the resistance of the sensor with a multimeter along  
with the temperature of the water measured with a reliable  
thermometer.  Start with room temperature, and heat to boiling.  Keep  
in mind there can be modest temperature differences in boiling water  
in a stovetop pan, so keep the thermometer near the sensor.  For those  
confused at this point, only the sensing end of the temperature sensor  
is placed in the water, just as only the sensing end communicates with  
the coolant.
    Purchase a potentiometer from Radio Shack having a range larger  
than the highest sensor recorded resistance.  Install the gauge in the  
vehicle.  Set the potentiometer to any resistance in the measured  
sensor range, and connect it between the wire to the gauge and ground  
(polarity is unimportant).  Read the temperature indicated on the  
gauge.  Compare to the temperature measured in the pan of heated  
water.  (Local altitude will affect the highest pan water temperature  
possible; 195 F is the highest we can obtain where I live.)
     This process can be applied to any temperature gauge, and, if  
there is doubt regarding temperature gauge readings, should be.

Compliments of the Season to you all.


On Dec 10, 2010, at 8:27 AM, Paul - Home wrote:

> Actually I was thinking of a temperature sender.  Obviously you can't
> test it above 212 in boiling water, but you can test it that far.
>
> Paul
> #9270
>
> On 12/10/2010 9:24 AM, apleuss at charter.net wrote:
>>
>>
>> It appears you are thinking of a thermostat rather than a sensor.
>>
>> On Fri, Dec 10, 2010 at 8:55 AM, Paul - Home wrote:
>>
>>> Just buy it and test it in a pot of boiling water on the stove.
>>>
>>> Paul
>>> #9270
>>>
>>> On 12/10/2010 1:43 AM, MikeLDrew at aol.com wrote:
>>>> Hi guys,
>>>>
>>>> So, I'm getting ready to install a 260-degree water temp gauge on  
>>>> a '71
>>>> Pantera. From the Gearhead Database:
>>>>
>>>> Autozone Standard P/N TS-58 Water Temperature Sender indicates
>>>> correctly on
>>>> a 0-260 gauge. JDeRyke at aol.com
>>>>
>>>> Here's the problem--Autozone no longer carries the TS-58. That part
>>>> number comes up as 'obsolete' in their computer, and it's replaced
>>>> with a
>>>> Duralast brand part--whatever the heck *that* is.
>>>>
>>>> I know that there was some empirical testing done a few years ago  
>>>> which
>>>> labelled the TS-58 as the superior choice--but I can't remember if
>>>> the others
>>>> were in the ballpark or were totally out to lunch.
>>>>
>>>> Suggestions?
>>>>
>>>> Mike
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