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infrared pyrometers

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Published: 01 June 1988
Fig. 7.3 Temperature error as a function of infrared pyrometer wavelength for a 10% error in emissivity adjustment. From J. B. Wareing, High Temperature Technology , Vol 1, No. 3, 1983, p 147 ( Ref 4 ) More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140201
EISBN: 978-1-62708-264-8
... Abstract Temperature is a critical process parameter in the heat treatment and forging of steel and must be accurately measured to properly control it. This appendix discusses the operating principles of thermocouples and infrared pyrometers, describing the various types as well as advantages...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220143
EISBN: 978-1-62708-341-6
..., measurements require direct observation of the heated surface. The latter drawback can be overcome to a great extent by the use of modern fiber optics in many instances. The two most common types of radiation devices are optical and infrared pyrometers. Optical Pyrometers Optical pyrometers were...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050025
EISBN: 978-1-62708-311-9
... austenitizing that the workpiece temperature is approximately correct, temperature measurement can provide precise temperature readings. Infrared pyrometers and fiber optics are most widely used for temperature measurement with induction. Infrared pyrometers are accurate to 0.5 to 1% of the reading...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440085
EISBN: 978-1-62708-262-4
... point, and infrared. The chapter concludes with an overview of the development of integrated control systems. atmosphere sensors dew point sensors heat treatment infrared sensors integrated control systems oxygen probe sensors temperature sensors HEAT TREATING OPERATIONS generally...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260029
EISBN: 978-1-62708-336-2
... of multiwavelength infrared thermometry for noncontact temperature measurement of aluminum extrusion. Glasman et al. ( Ref 22 ) also introduced a new optical pyrometer for measuring the temperature of aluminum alloys. They found the temperature measurement error under conditions of changing emissivity lies less than...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220047
EISBN: 978-1-62708-341-6
... Induction Heating Corp. Temperature control of line-frequency systems is effected by turning the main power contactors on and off in response to a temperature signal derived from a thermocouple or infrared pyrometer. Since the heated mass is generally large and response time normally slow...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220281
EISBN: 978-1-62708-341-6
.... A 40-kW RF generator operating at 450 kHz heats the wire conductor to approximately 300 °C (570 °F) at a speed of 5 m/min (15 fpm). The infrared radiation pyrometer focused on the conductor at the exit end of the work coil continuously monitors the temperature of the wire. It can thus be used...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060209
EISBN: 978-1-62708-355-3
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290169
EISBN: 978-1-62708-319-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200437
EISBN: 978-1-62708-354-6
... an alternating current. Infrared Radiation Pyrometer . . . An instrument which uses the ratio of the radiated energy from a body in two wavelength bands and then is a measure of the body's surface temperature. Temperatures down to 392 °F (200 °C) may be measured. Ingates . . . See Gate. Ingot Iron . . . Iron...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310233
EISBN: 978-1-62708-326-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130417
EISBN: 978-1-62708-284-6
... steel, on the induction-hardening conditions. Induction heating may be controlled by infrared thermometers. An infrared thermometer is placed close to the induction coil, which means that only the maximum surface temperature may be measured. This technique is quite simple and practical. It allows a user...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060429
EISBN: 978-1-62708-261-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.9781627082617
EISBN: 978-1-62708-261-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.9781627082679
EISBN: 978-1-62708-267-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.9781627082600
EISBN: 978-1-62708-260-0
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.sch6.9781627083546
EISBN: 978-1-62708-354-6
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.9781627083485
EISBN: 978-1-62708-348-5