Temperature Measurements - Agilent Technologies 34405A User's And Service Manual
5 1/2 digit multimeter
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- User's and service manual (143 pages) ,
- User's and service manual (148 pages) ,
- Quick start manual (8 pages)
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Measurement Tutorial
Temperature Measurements
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The multimeter measures temperature by measuring the temperature
sensitive resistance of 5 kW thermistors.
Thermistors consist of semiconductor materials and provide roughly 10
times the sensitivity of an RTD. Because they are semiconductors, their
temperature range is more limited, commonly to –80
Thermistors have highly non–linear temperature–resistance relationships;
therefore their conversion algorithms are more complex. Agilent
multimeters use the standard Hart–Steinhart Approximation to provide
accurate conversions.
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34405A User's and Service Guide
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