The requirements of the International Temperature Scale of 1948 for the purity and physical condition of platinum to be used in resistance thermometry are based upon the change in resistance between 0° and 100°C, this range being known as the fundamental interval: the ratio R100/R0is required to be greater than 1.3910.

Occasionally referred to as 'Platinum Resistance Thermometers (PRTs)' or 'Resistance Temperature Detectors (RTDs),' PT100 resistors are widely recognized as proven and trusted temperature measurement devices. A PT100 resister is effectively an updated and modified model of RTD.

Platinum Resistance Thermometers Platinum Resistance Thermometers (PRTs) Fluke Calibration PRTs provide a wide operating range and high accuracy required for precision temperature measurement in the laboratory, factory, or field. We offer secondary standard and reference PRTs.

The resistance of the platinum wire changes with a change in temperature of the gas or liquid. The maximum temperature measurable in continuous operation is 1000° K i.e.727° C. 4. This type of sensor has a positive temperature coefficient of resistivity as they are made from metals. These are also known as "resistance temperature detectors or RTD".

Download Citation | Comparison Between Gas Thermometer, Acoustic, and Platinum Resistance Temperature Scales Between 2 and 20 K | A constant 

Platinum Resistance Thermometer Installation The PT-102, PT-103, and PT-111 are wire-wound thermometers and normally used as secondary standards.

Fluke 5626-12-D Secondary Standard Platinum Resistance Thermometer (PRT) with 5-Pin DIN for Tweener Thermometers, 12 x 0.25in, 100Ω.

Metal Sheathed Semi Standard Platinum Resistance Thermometer is widely used as a reference to calibrate various temperature probes, particularly in 

The ST-150 is a 1/8 inch, Class A PRT (Platinum Resistance Thermometer) with an IP67 rating. White heat shrink is used on the cable behind the PRT to minimize 

Okazaki Manufacturing Company's special specification products, Easy Sensor (small and light platinum resistance thermometer sensor), are described.

thermometer [ther-mom´ĕ-ter] an instrument for determining temperatures, in principle making use of a substance (such as alcohol or mercury) with a physical property that varies with temperature and is susceptible of measurement on some defined scale. Temperatures on Celsius and Fahrenheit thermometers related to temperature ranges. From Elkin et al