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Rtd Measurements Basics Of Resistance Temperature
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SECTION 7 TEMPERATURE SENSORS Walt Kester, James …
www.analog.comResistance Temperature Devices (RTDs) are accurate, but require excitation current and are generally used in bridge circuits. Thermistors have the most sensitivity but are the most non-linear. However, they are popular in portable applications such as measurement of battery temperature and other critical temperatures in a system.
BASIC INSTRUMENTATION MEASURING DEVICES AND BASIC …
instrumentationtools.comThe majority of pressure measurements in a plant are gauge. Absolute measurements tend to be used where pressures are below atmosphere. Typically this is around the condenser and vacuum building. Absolute Scale Atmospheric Pressure Perfect Vacuum 101.3 kPa(a) 0 kPa(a) Gauge Scale 0 kPa(g)-101.3 kPa(g) Figure 1 Relationship between Absolute and ...