If you want a very stable thermometer and prefer a probe with optional.
Industrial platinum resistance thermometer.
This property is particularly pronounced in platinum pt.
Common rtd sensing elements constructed of platinum copper or nickel have a repeatable resistance versus temperature relationship r vs t and operating temperature range the r vs t relationship is defined as the amount of resistance change of the sensor per degree of temperature change.
We now have 90 degree angled probes to a maximum temperature of 660 c.
1 1 this specification covers the requirements for metal sheathed industrial platinum resistance thermometers prt s suitable for direct immersion temperature measurement.
It applies to prt s with an average temperature coefficient of resistance between 0 and 100 c of 0 385 c and nominal resistance at 0 c of 100 ω or other specified value.
It is used both for precision measurements of the highest accuracy and for routine industrial work.
Resistance temperature relationship of metals.
This article discusses the development and construction of resistance thermometers and their uses in a wide range of industries.
The industrial type thermometer is shown in the figure below.
An investigation into the stability of industrial platinum resistance thermometers 262 44 kb an investigation of long term stability of a precision platinum resistance thermometer up to 660 c 164 52 kb i just got my probe recalibrated now what.
The thermometer has a wide range from 200 to 1200 celsius.
A platinum resistance thermometer contains thin platinum wires surrounded by mica or ceramic material.
The electrical resistance of metals increases with the temperature.
Methods for evaluating the condition of platinum resistance thermometers 130 23 kb.
This second edition cancels and replaces the first edition published in 1983 amendment 1 1986 and amendment 2 1995.
The platinum resistance thermometer is a versatile instrument for temperature measurement in the range from 200 to 1000 c.
Accurate temperature measurement and calibration accumac corporation designs and manufactures digital thermometer readouts platinum resistance thermometers prts and thermocouples.
It uses the property of platinum in which the specific resistance increases with temperature.
The meter gives the precise reading of temperature.
The temperature measurement through platinum resistance thermometer is easier as compared to the gas thermometer.
Suitable for use as working standards in dry blocks and liquid baths or as high accuracy probes for our range of true temperature indicators.
These industrial platinum resistance thermometers are ideal for field and lab use.
The relative change in resistance temperature coefficient.
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