Rtd Measurements; 2-Wire Rtd Measurements - Picotest M3510A User Manual

3.8.2 RTD Measurements

There are three kinds of temperature measurements with RTDs: 2-wire,
3-wire and 4-wire measurements. You will find connection instructions
and measuring procedures in the following sections.

3.8.2.1 2-Wire RTD Measurements

How to measure temperature with 2-Wire RTD
The following Figure 3-4 shows theory diagram of 2-Wire RTD
measurement.
1. Insert a specified adapter into the front terminals.
2. Press TEMP button.
3. Configure sensor type 2W RTD and unit by using the CONFIG button
(refer to 4.1.7) or skip this step to use the default settings.
4. Observe and take readings on the display.
Figure 3-4
3.8.2.2 4-Wire RTD Measurements
How to measure temperature with 4-Wire RTD
The following Figure 3-5 shows theory diagram of 4-Wire RTD
measurement.
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