Ecom Instruments MCAL 4200 Manuel D'instructions page 66

Note: The calibrator simulates a 2-wire RTD. To connect 3- or 4-wire transmitter, use stacking
cables, as shown in Figure 15.
4.9-1 Custom RTD
A custom curve-fit PRT may be entered into the calibrator for sourcing and measuring. To do
so follow these steps:
1. Switch to lower display. Select RTD and set sensor type to CUSTOM.
2. Enter the RTD custom setup main menu, and select [SET CUSTOM].
3. Using the keypad, enter the values that the calibrator prompts for:
minimum temperature, maximum temperature, R0, and the values for each of the
temperature coefficients.
Figure 15. Using a 3- or 4-wire Connection for RTDs
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