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IEEE 119-1974

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IEEE Recommended Practice for General Principles of Temperature Measurement as Applied to Electrical Apparatus

Published By Publication Date Number of Pages
IEEE 1974 70
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New IEEE Standard – Inactive-Withdrawn. Withdrawn Standard. Withdrawn Date: Mar 21, 1991. The purpose of this document is to provide guidelines for the application of temperature measurement techniques in measuring the operating temperature and temperature rise of electrical machines, instruments, and apparatus in common use. The guidelines are limited to measurement of temperatures below 500 C; however, some measurement techniques described herein are capable of measuring temperatures above 500 C, and these may be used at the higher temperatures after the validity and safety of the technique for the temperature involved have been confirmed.

PDF Catalog

PDF Pages PDF Title
11 1 Scope
2 Definitions
12 3 General
3.1 Temperature Scales
3.2 Temperature-Measuring Techniques
13 3.3 Temperature Data Acquisition Systems
3.4 Installation
14 Characteristics of Various Temperature-Measurement Techniques
15 Temperature-Measurement Techniques for Specific Applications
16 3.5 Embedded Detectors
Multiple-Sensor Automatic Data-Logging System
17 Thermometer Wells
SheathedThermocouples
18 3.6 Sources of Error
4 Temperature-Measuring Instruments
4.1 Liquid-in-Glass Thermometers
Installation of Embedded Detector
19 Partial Total and Complete 1mmersion.Thermometers
Etched-Stem Liquid-in-Glass Thermometers
20 Industrial Liquid-in-Glass Thermometers
22 NBS Tolerances for Celsius Partial-Immersion Mercury Thermometers
NBS Tolerances for Celsius Total-Immersion Mercury Thermometers
23 with Typical Response Times (tr )
25 Used for Partial Immersion
26 4.2 Filled-System Thermometers
Filled-System Thermometer
27 Fully Compensated Liquid Mercury or Gas Filled Thermal System
Case-Compensated Liquid Mercury or Gas Filled Thermal System
Vapor Pressure Thermal System Class IIA
28 Vapor Pressure Thermal System Class IIB
Vapor Pressure Thermal System Class IIC
Vapor Pressure Thermal System Class IID
29 Comparison of Filled-System Thermometers
31 Bulb Response Versus Bulb Outside Diameter in Water
32 Bulb Response Rate in Air at Various Velocities
33 4.3 Bimetallic Thermometers
Bimetallic Thermometer
35 4.4 Thermocouple Thermometers
36 Materials
37 Thermocouple EMF -Temperature Relations
Thermocouple Circuits
38 Thermocouples Connected in Parallel
Thermocouples Connected in Series
40 Protection Tube
Average Thermoelectric Power for Conventional Thermocouples
Limits of Error for Conventional Thermocouples
41 Compensator
42 Compensator
43 Circuit for Multiple Thermocouples Using a Single-Pole Selector Switch
44 Elementary Circuit for Multiple Thermocouples
45 Methods of Applying Thermocouples to Solids
46 Thermocouple Reference-Junction Ice Bath
48 4.5 Resistance Thermometers (Resistance Temperature Detectors)
Characteristics of Resistance Thermometers
49 Elementary Bridge Circuit for Resistance Thermometry
50 Bridge Circuit for Avoiding Effects of Resistance at Moving Contacts
51 Deflection Bridge Instrument AC Supply
Typical Multipoint Deflection-Bridge Resistance Thermometer Installation
52 Crossed-Coil Temperature Indicator Operated from AC Source
53 5 Infrared-Radiation Thermometer Systems
5.1 Principles of Operation
5.2 Classification
54 5.3 Characteristics
5.4 Accessories
55 5.5 Application and Installation
5.6 Advantages and Disadvantages
56 Temperature Determination by the Change in Resistance Method
6.1 General Principles
Classification of Methods
Circuits for Resistance Measurements by Drop-of-Potential Method
57 Kelvin Bridge Circuit
58 with Circuit Energized
59 Circuit with Capacitor Bias
Seely™s Method
60 Bridge Arm Other than That with Unknown
AC Current
61 6.3 Essential Considerations
peratures in Single-phase Transformers Under Load and Line Voltage
62 Compensation of Wheatstone Bridge for Inductive Effects
63 Temperature Determinations
7 Temperature-Sensitive Materials
7.1 Principles of Operation
7.2 Classification
64 7.3 Characteristics
7.4 Application and Installation
7.5 Advantages and Disadvantages
8 Measurement of Ambient Temperature
8.1 General
65 Sources of Error in Ambient-Temperature Measurements
66 Ambient-Temperature Measurements in Service
67 9 Bibliography
IEEE 119-1974
$30.33