From: Justin Richards <justin.richards@gmail.com>
To: Microcontroller discussion list - Public. <piclist@mit.edu>
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Date: Sat, 12 Sep 2020 13:08:26 -0700
Subject: Re: [EE]: OpAmp Max differential input voltage GL358
Thread-Topic: [EE]: OpAmp Max differential input voltage GL358
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Hi Manu,

I think it makes more sense to assume that the thermocouple is in series
with the heater.

Cheers Justin

On Sun, Sep 13, 2020 at 2:54 AM Manu Abraham <abraham.manu@gmail.com> wrote=
:

> On Sat, Sep 12, 2020 at 4:45 PM Justin Richards
> <justin.richards@gmail.com> wrote:
> >
> > Hi Clint,
> >
> > yes, thermocouples are as you say but with the T12 style soldering tips
> the
> > thermocouple is also used as the heating element as strange as that
> > sounds.  There are only 2 connections to the tip and it provides both
> > heating and temperature measurement.
>
>
>
>
> Is it *really*, the thermocouple is used as the heater ?
>
> I've heard a few people state that those tips have the thermocouple in
> series
> with the heater; A pain to do actual measurements when the heater is used=
..
> ie, the heater needs to be actually switched off to do a measurement.
>
>
> Cheers,
>
> Manu
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