More than you wanna know about copper resistance with temperature:
http://nvlpubs.nist.gov/nistpubs/bulletin/07/nbsbulletinv7n1p71_A2b.pdf
Looking forward,
Al Shinn (Tinker)


> On Sep 9, 2017, at 2:19 PM, Alan <alshinn@mindspring.com> wrote:
>=20
> Errata!
> Oops that value of 71.400 Ohm is for 100c, not 50c! So sorry.
>=20
> Looking forward,
> Al Shinn (Tinker)
>=20
>=20
>> On Sep 9, 2017, at 12:25 PM, Alan <alshinn@mindspring.com> wrote:
>>=20
>> Bill,
>>=20
>> Your link to
>>=20
>> https://is.alicdn.com/img/pb/747/046/531/531046747_904.jpg
>>=20
>> Leads me to a chart that while a bit fuzzy seems to be readable on my li=
ttle iPad. For instance the device is 50 Ohm at 0c, 71.400 Ohm at 50c and 8=
2.134 Ohm at 150c
>>=20
>>=20
>>=20
>> The link someone sent for the 100 Ohm probe at=20
>>=20
>> http://www.thermometricscorp.com/images/Accessories/thermometricscorp_21=
29_12162627.gif
>>=20
>> Shows 100 Ohm at 0c, 142.108 at 100c, and 163.168 at 150c
>>=20
>> Almost but not quite exactly 2x the 50 Ohm probe.
>>=20
>>=20
>>=20
>> I would suggest that you figure out why you can't read your chart but if=
 you can't figure it out, I could send you a screen shot from my iPad
>>=20
>>=20
>>=20
>> Looking forward,
>> Al Shinn (Tinker)
>>=20
--=20
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