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thermometers

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Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005853
EISBN: 978-1-62708-167-2
...Abstract Abstract This article provides an overview of the basic theory of infrared (IR), including emissivity and E slope. It explains how the IR thermometer works, and provides guidance on choosing a thermometer, in particular, deciding between a two-color and a single-wavelength thermometer...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005925
EISBN: 978-1-62708-166-5
... radiation thermometers fall under the noncontact type. The article describes two types of instrumentation used in heat treating: field test instruments for temperature-uniformity surveys and system-accuracy tests; and controlling, monitoring, and recording instruments for digital instrumentation...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001098
EISBN: 978-1-62708-162-7
... or impossible to obtain accurate temperature measurements regardless of whether proper techniques are employed. Nine types of instruments, under appropriate conditions and within specific operating ranges, may be used for measurement of temperature: thermocouple thermometers, radiation thermometers...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003158
EISBN: 978-1-62708-199-3
... protection nonstandard thermocouples standard thermocouples THE THERMOCOUPLE THERMOMETER is by far the most widely used device for measurement of temperature used in the metals industry. It is estimated that well over 90% of the temperature sensing devices used in this industry are thermocouple...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003156
EISBN: 978-1-62708-199-3
... and potentiometers, resistance thermometers, and ballast resistors. Some applications of resistance materials require devices with large thermal coefficients of resistance, either positive or negative. A device of this type is called a thermistor. Thermistors are made almost exclusively of ceramic semiconductor...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005913
EISBN: 978-1-62708-167-2
... thermometer. The various components of this system are the polyurethane coil and a ceramic paper insulation ( Fig. 5 ). Fig. 5 Insulation setup for experiments References References 1. Zahn M. , Electromagnetic Field Theory: A Problem Solving Approach , Krieger Publishing Company...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006674
EISBN: 978-1-62708-213-6
..., quantitative thermal expansion enabled the invention of the mercury thermometer by Fahrenheit in 1714 and the alcohol thermometer by Réaumur in 1730. The bimetallic strip was invented by Harrison circa 1759. S.P. Rockwell, of Rockwell hardness fame, invented one of the earliest dilatometers and was awarded...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003239
EISBN: 978-1-62708-199-3
... thermometers) are used in nondestructive testing in much the same way as are infrared scanning devices. These instruments have less accuracy than other scanning devices, but they are simpler, more rugged, more portable, and less expensive. A wide variety of this type of equipment is commercially available...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003825
EISBN: 978-1-62708-183-2
... Bayonet heaters, single and multiple … Sewage treatment Sanitary districts Bayonet heaters, flow regulator parts, thermometer wells Heaters to warm storage tanks Formic acid Distillation Chemical Condensers … Fuming HNO 3 Distillation Chemical Multiple bayonet heaters, condensers...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003199
EISBN: 978-1-62708-199-3
.... Functions in an integrated digital process management system are shown in the dashed blocks. Temperature Sensors Thermocouples and resistance temperature detectors (also known as resistance thermometers) are the most important contact-type electrical temperature sensors used in the metals industry...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006016
EISBN: 978-1-62708-172-6
... are performed visually, inspection equipment is often required, including: Light meters Manual or digital psychrometers and surface-temperature thermometers Compressed air cleanliness check equipment (blotter paper or other collector) Surface-profile measuring equipment Surface cleanliness...
Book Chapter

Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001087
EISBN: 978-1-62708-162-7
... for alloying, laboratory ware, and contacts. Platinum of even higher purity, sometimes with controlled impurities, is used for other specialized applications such as thermocouples and resistance thermometers. The present U.S. thermometric standard platinum, designated Pt 67, is 99.999% pure. Federal...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005935
EISBN: 978-1-62708-166-5
... resolution and a sampling rate of up to 200 kHz Software for monitoring time-dependent temperature Digital thermometer for measuring the temperature of the quenching medium prior to, during, and after quenching Measuring Procedure Sound-emission asurement was performed on specimens made from...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001096
EISBN: 978-1-62708-162-7
.... Most resistors for this classification are made of carbon. Carbon resistors are not discussed in this article. Here, we are concerned chiefly with metallic resistors such as wirewound precision resistors and potentiometers, resistance thermometers, and ballast resistors. Some applications...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005791
EISBN: 978-1-62708-165-8
... be attached to the workpiece, then it should be attached to dummy test coupons that are representative of the workpiece cross-sectional area and the material being treated. Radiation thermometers also may be used to monitor part temperature, even in the case of active-screen nitriding ( Fig. 16 ). Fig...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005928
EISBN: 978-1-62708-166-5
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006455
EISBN: 978-1-62708-190-0
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003049
EISBN: 978-1-62708-200-6
... purposes in the mid-16th century, when glass thermometers and the simple telescope were developed. Advances in composition and in melting and forming technology have continued through the present. Property optimization has been the key to recent progress in the development of advanced ceramics...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003695
EISBN: 978-1-62708-182-5
... to collect steam condensate. Recording thermometers and pressure gages installed near the bottom of the vessel are used to monitor the process. Blind flanges should be installed at other openings. Bottom outlets should initially be left open to purge the vessel of air. Boiler capacity should be sufficient...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003150
EISBN: 978-1-62708-199-3
... with controlled impurities, is used for other specialized applications such as thermocouples and resistance thermometers. The present U.S. thermometric standard platinum, designated Pt 67, is 99.999% pure. Federal regulations stipulate that an article of trade can be marked platinum only if it contains...