Callendar - van Dusen Equation
MC4 User Guide 109
Related Information
Most of the measurements, generations and simulations presented
in this manual are straight forward: Just make the required window
settings and connect the instrument under test to the active
terminals and that's it!
Some cases require additional settings and things to check before
you can be certain that the measurement, generation or simulation
works as expected. A typical example of this is temperature
measurement using a thermocouple. It is not enough to select the
correct Function in MC4. The Sensor type and the Reference
Junction Mode has to be set accordingly, too. Wrong settings give
erroneous results.
Whenever this additional information may be of use in a
measurement, generation or simulation, text describing the Function
refers to one of the following chapters. An experienced may skip this
supplemental text, but for a beginner we highly recommend it.
The subjects described here are:
Things to Consider when Measuring Pressure on page 110,
Pressure Type on page 110,
Pressure Modules and their Naming Conventions on
page 111,
Square Rooting on page 112,
Thermocouple Measurement/Simulation, Connections and
Troubleshooting on page 113,
Resistance and RTD Measurement, Connections on
page 118,
Current Measurement Parallel to a Test Diode, Connections
on page 120 and
Parallel Functions in MC4 on page 121.
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