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Temperature Measurement and Calibration: What Every Instrument Technician Ought to Know

From Fluke Corporation, Hart Scientific Division
 

 

Temperature may be the most commonly measured physical parameter. Yet there have never been so many ways to measure it as there are today. With so many options it's natural to have a few questions. How do I measure temperature? How accurate is my measurement? What temperature range is required? What type of device best measures temperature? Does my instrument require certification?

These are very common questions when confronted with the need to measure temperature. This paper focuses on electronic temperature measurements, and helps clarify the answers to some of these nagging questions. More information on these subjects is available at www.hartscientific.com.

Products & Services
Digital thermometers are portable temperature sensing devices that have permanent probes and a digital display. Search by Specification | Learn more about Digital Thermometers
Temperature probes are used in various temperature sensing applications. Technology options include thermocouple, RTD, thermistor and solid state style probes. Search by Specification | Learn more about Temperature Probes
Thermocouple temperature probes are bimetallic probes that are used in various temperature-sensing applications. They consist of two wires, each of which is made of a different metallic element or alloy. Search by Specification | Learn more about Thermocouple Temperature Probes
Thermistor temperature probes sense temperature by using thermistors, devices made of semiconductor materials which exhibit a large change in resistance for a small change in temperature. Search by Specification | Learn more about Thermistor Temperature Probes
Temperature instruments use contact or noncontact methods to measure temperature. Products include dial, digital, industrial and laboratory thermometers; temperature probes, indicators, and sensors; RTD elements and transmitters; and thermistors, thermocouples, thermopiles, and thermal switches.  Search by Specification | Learn more about Temperature Instruments
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