Microedge produces three models of RTD data loggers for different RTD sensors:
LRTD-1 for PT100
LRTD-2 for PT500
LRTD-3 for PT1000
Depending on the RTD sensor you are using you can use the following two embedded equations:
- RTD_TCR385:This equation is for Temperature Coefficient of Resistance (TCR) 0.00385Ω/Ω/°C .
The temperature coefficients are:
A: 3.9083E-3
B: -5.775E-7
C: -4.183E-12 - RTD_TCR392:This equation is for Temperature Coefficient of Resistance (TCR) 0.00392Ω/Ω/°C .
The temperature coefficients are:
A: 3.9848E-3
B: -5.87E-7
C: -4E-12
If your RTD’s temperature coefficients are different from either of the above, you should use a custom equation included in SiteView software. The name of the equation is called “RTDEquation”.
You can open this equation and change those A, B and C values accordingly:
- Click “Equation” toolbar menu item:
- Choose RTDEquation from the list and change parameters. Click “Compile” to make sure no errors. Then click “OK” button to save the equation:
If you are in the Configuration dialog of the RTD data logger, you can choose one of the above three equations from the pull-down list.
Please refer to the product page or User’s Manual for details: