Do you know where to purchase RTD's online that ship internationally?
Digikey doesn't have RTD's and they don't give
very much information on what they are selling.

-Peter
----- Original Message -----
From: "Ray Gallant" <rayg@NB.SYMPATICO.CA>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Monday, December 02, 2002 8:34 PM
Subject: [OT]: Temperature Sensors?


> ----- Original Message -----
> From: "Wagner Lipnharski" <wagner@USTR.NET>
> To: <PICLIST@MITVMA.MIT.EDU>
> Sent: Sunday, December 01, 2002 11:41 PM
> Subject: Re: [OT]: Temperature Sensors?
>
>
>
> The only problem with RTDs and NTCs is its top temperature.
>
> The RTD Panasonic ERTD2FHL103S (Digikey $1.06) goes from -30 up to +1250C
> only!!!
>
> The NTC Thermometrics Global AL03006-5818-97-G1 (Digikey $2.66) goes
> from -50 to +2040C (+4000F) only.
> If you need to cook SMD, it needs to go at least to 4500F, obviously
should
> operate at least up to 20% more, or, around 5300F.
>
> A THERMOPILE is a nice non-contact sensor, that can measure the
temperature
> away of it.
> The MLX90247B (Digikey $13) in TO39 4 leads, generates 40uV/K and it
> incorporates a 26 kohms PTC in the same die, so you can compensate ambient
> temperature.  Even that operating temperatures should be from -40 to
> +1500C, this is the thermopile temperature, not the reading non contact
> temperature, even that I could not find its reading temp range.
> http://www.melexis.com website can give you more details about this chip.
> They also have modules with complete solutions, digital or analog output,
> but be aware of their $65 prices.
> --------------------------------------------------
> VV46NER
>
> The last RTD I used was -196 Deg C to 600 Dec C which is well within the
> original post's range!
> Regards, {slewrate}
>
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