Not possible realistically. Very expensive electronics is available that wo=
rks (badly, and with short life) at 200 C but not batteries afaik.=20

I suggest a standard sensor and a slip ring to get the signals out. A four =
contact slip ring would allow the use of an inexpensive Pt1000 platinum RTD=
..

Sent from a Microsoft, Android or Apple device =20
(Either mobile or desktop)=20

> On Mar 22, 2018, at 7:09 PM, K S <kresho@gmail.com> wrote:
>=20
> Hello list.
>=20
> I'm a long time lurker (~18 years?), usually have nothing to add above th=
e
> excellent content here.
>=20
> I need to monitor the temperature of the liquid in a cooking vessel which
> contains a rotating paddle/scraper that precludes me from simply insertin=
g
> a fixed probe. My first thought is to have a battery powered temperature
> transmitter attached to the paddle - this would also provide a reading th=
at
> is averaged through the entire bowl as it moves through potential hot/col=
d
> spots in the liquid. The sensor/probe itself could be mounted on the padd=
le
> such that it is submersed in the liquid while the electronics could be
> strapped to the paddle shaft that remains above the fill line, with a sho=
rt
> heat-proof cable in between. There will be steam and heat and oil splutte=
r
> there but I'm sure some protective measure could be employed to house the
> electronics. The height of the liquid may be up to around 40cm, and get u=
p
> to 200degC.
>=20
> A receiver could then display this temperature and eventually use it as
> part of a control process.
>=20
> Has anyone done something like this? Or any advice to offer? An off-shelf
> solution would be preferred but I'm not finding much. (Lots of wireless
> sensors but either for ambient temps, or without rugged transmitters). I'=
m
> thinking maybe build a small battery powered board with a 433MHz tx modul=
e
> and a suitable receiver but am hoping for something perhaps quicker to ge=
t
> up and running.
>=20
> TIA.
>=20
> Kris.
> --=20
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> View/change your membership options at
> http://mailman.mit.edu/mailman/listinfo/piclist


--=20
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