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ASTM does not give any warranty express or implied astm e1137 make any representation that astm e1137 contents of this abstract are accurate, complete or up to date.
Register for a trial account. Significance and Use This specification is written to provide common terminology, resistance versus temperature characteristics, accuracy classification, and inspection requirements for a specified configuration of a typical industrial platinum resistance thermometer PRT. f1137
Enter your account email address to request a password reset: Astm e1137 defines two RTD grades, A and B astm e1137 a resistance-temperature relationship that has the following tolerances: Again, error estimates are straight forward, provided one has a good estimate of the thermal properties of the insulator.
RTD Error Sources The lead wires used to connect the RTD to a readout can contribute to their measurement error, especially when there are long lead lengths involved, as often happens in remote temperature measurement locations.
Training Courses and Other Resources Training courses and other resources pages may be reached by clicking on the link above. All materials including the sheath materials, sensing elements, insulation, connecting wire end closure materials, epoxy materials, and connecting wires shall be in accordance with specified requirements. E Standard Practice for Astm e1137 Programs.
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You cannot currently view this content. Weather Anywhere Wind Chill Calc. They are active devices astm e1137 an electrical current to asrm a voltage drop across the sensor that can astm e1137 then measured by a calibrated read-out device. Resistance Temperature Detectors or RTDs for short, are wire wound and thin film devices that measure temperature because of the physical principle of the positive temperature coefficient of electrical resistance of metals.
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The PRT shall be subjected to corresponding qualification tests to demonstrate conformance to the acceptance criteria of the following properties: No items in cart. Content only available by subscription. Remember e117 for one month.
No items in cart. Please login to your authorized staff account to use this feature. Click here astm e1137 download full list of books. The ITS International Temperature Scale of used as a worldwide practical temperature scale in national metrology labs like NIST, NPL et al is made up of a number of fixed reference points with astm e1137 interpolating devices used to define the scale between points.
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Abstract This specification establishes the physical, performance, and testing requirements, as well as resistance-temperature relationship astm e1137 tolerances for metal-sheathed industrial platinum resistance thermometers PRT suitable for direct immersion temperature measurement. It is the responsibility of the user of this standard to establish appropriate safety and health practices astm e1137 determine the applicability of regulatory limitations prior to use.
This specification ashm astm e1137 to provide common terminology, resistance versus temperature characteristics, accuracy classification, and inspection requirements for a specified configuration of a typical industrial platinum resistance thermometer PRT. An online resistance calculator is also located here and provides the temperature-resistance values for 23 different RTDs types, including some nickel and copper ones.
Please sign into an account with a subscription astm e1137 this content, or email for help at support madcad. It defines two RTD grades, A and B with a resistance-temperature relationship that astm e1137 the following tolerances:.
The resistance-temperature relationship and tolerances are specified as well as physical, performance, and testing requirements. In addition the electronic files may not be downloaded or distributed elsewhere over computer networks or otherwise.
ASTM E1137/E1137M – 08(2014)
This specification establishes the physical, performance, and testing requirements, as well astm e1137 resistance-temperature relationship and astm e1137 for metal-sheathed industrial platinum resistance thermometers PRT suitable for direct immersion temperature measurement.
The actual ASTM document includes more examples.
All materials including the sheath materials, sensing elements, insulation, connecting wire f1137 closure materials, epoxy materials, and connecting wires shall be in accordance with specified astm e1137.