- 27th May 2005, 15:12 #1

- Join Date
- Apr 2004
- Posts
- 32
- Helped
- 0 / 0
- Points
- 1,771
- Level
- 9

## pt100 formula

Hi !

Does someone knows where I can found the conversion formula of RTD from resistance to temperature and vice versa ?

Thanks

- 27th May 2005, 15:12

- 27th May 2005, 18:18 #2

- Join Date
- Feb 2002
- Location
- Pakistan
- Posts
- 839
- Helped
- 57 / 57
- Points
- 5,512
- Level
- 17

## rtd formula

I think it is OMEGA. a company that makes temperature stuff. you can find its website on google easily. it has all the charts in pdf. I am on my palmpilot at this time, otherwise would have given you the full url.

- 27th May 2005, 18:18

- 28th May 2005, 04:52 #3
## rtd conversion table

The ASTM standard E1137 deals with RTD's. You can buy the standard from ASTM

Omega offers their "The Temperature Handbook", which contains conversion charts. It is free, but shipping is not cheap.

Try using this .pdf. I don't know how accurate these coefficients are. I can check them on Monday, when I get back to work. Note that for temperatures above 0C, the formulas are simpler.

www.atpsensor.com/pdfs/rtd.pdf

- 28th May 2005, 04:52

- 28th May 2005, 06:09 #4

- Join Date
- Feb 2002
- Location
- Pakistan
- Posts
- 839
- Helped
- 57 / 57
- Points
- 5,512
- Level
- 17

## rtd conversion

here is the complete table.

- 29th May 2005, 18:02 #5

- Join Date
- Apr 2005
- Posts
- 1
- Helped
- 0 / 0
- Points
- 1,373
- Level
- 8

## pt100 resistance formula

Originally Posted by**Inkwaterman**

- 13th May 2012, 13:11 #6

- Join Date
- Apr 2012
- Posts
- 201
- Helped
- 2 / 2
- Points
- 999
- Level
- 7