Martel Electronics 235 - Manual (Page 40)

The 235 display will prompt:
Select OHMS using the INC/DEC keys and press ENT.
The Model 230/235 calibrator will display a prompting menu asking for
the type of connection: 2-wire, 3-wire, or 4-wire.
Select the type connection you will be using and press ENT. For actual
calibration the more accurate 3-wire or 4-wire method should be used.
Two wire connections are normally used for go/no-go measurements
and trouble shooting.
To make an RTD measurement:
Press the RTD/Ω key while the calibrator is in the input mode. (Note:
on the 230, press the RTD key).
The 235 display will prompt:
Select RTD using the INC/DEC keys and press ENT.
The Model 230/235 calibrator will display a prompting menu asking for
the RTD curve to use: 385 or 392 or Ni or Cu10.
Select the desired RTD and press ENT. The calibrator will then prompt
for the temperature scale to use.
Select the proper temperature scale and press ENT. Next, the
Input Functions
230/235 35
Resistance Function
RTD OHMS
Termination type
2W 3W 4W
Resistance Function
RTD OHMS
Input RTD type
p385 p392 Cu10 Ni
Temperature Scale
°C°F