Errata! Oops that value of 71.400 Ohm is for 100c, not 50c! So sorry. Looking forward, Al Shinn (Tinker) > On Sep 9, 2017, at 12:25 PM, Alan 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 lit= tle iPad. For instance the device is 50 Ohm at 0c, 71.400 Ohm at 50c and 82= ..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_212= 9_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 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .