ASTM E 344 : 2026
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Current
The latest, up-to-date edition.
Terminology Relating to Thermometry and Hydrometry
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English
Published date
01-01-2026
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| Committee |
E 20
|
| DocumentType |
Reference Material
|
| Pages |
22
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Current
|
| Supersedes |
1.1This terminology is a compilation of definitions of terms used by ASTM Committee E20 on Temperature Measurement.
1.2Terms with definitions generally applicable to the fields of thermometry and hydrometry are listed in 3.1.
1.3Terms with definitions applicable only to the indicated standards in which they appear are listed in 3.2.
1.4Information about the International Temperature Scale of 1990 is given in Appendix X1.
1.5This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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| ASTM E 1350 : 2018 : R2023 | Standard Guide for Testing Sheathed Thermocouples, Thermocouple Assemblies, and Connecting Wires Prior to, and After Installation or Service |
| ASTM D 2700 : 2025 | Standard Test Method for Motor Octane Number of Spark-Ignition Engine Fuel |
| ASTM E 1684/E1684M : 2019 : R2024 | Standard Specification for Miniature Thermocouple Connectors |
| ASTM E 2877 : 2012 : R2019 | Standard Guide for Digital Contact Thermometers |
| ASTM E 839 : 2023 | Standard Test Methods for Sheathed Thermocouples and Sheathed Thermocouple Cable |
| ASTM E 608/E608M : 2024 | Standard Specification for Mineral-Insulated, Metal-Sheathed Base Metal Thermocouples |
| ASTM E 126 : 2019 : R2024 | Standard Test Method for Inspection, Calibration, and Verification of ASTM Hydrometers |
| ASTM E 235/E235M : 2023 | Standard Specification for Type K and Type N Mineral-Insulated, Metal-Sheathed Thermocouples for Nuclear or for Other High-Reliability Applications |
| ASTM E 1652 : 2021 | Standard Specification for Magnesium Oxide and Aluminum Oxide Powder and Crushable Insulators Used in the Manufacture of Base Metal Thermocouples, Metal-Sheathed Platinum Resistance Thermometers, and Noble Metal Thermocouples |
| ASTM E 1104 : 1998 : R2023 | Standard Specification for Clinical Thermometer Probe Covers and Sheaths |
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| ASTM E 3186 : 2019 | Standard Guide for Use and Testing of Dry-Block Temperature Calibrators |
| ASTM E 1965 : 1998 : R2023 | Standard Specification for Infrared Thermometers for Intermittent Determination of Patient Temperature |
| ASTM E 644 : 2011 : R2025 | Standard Test Methods for Testing Industrial Resistance Thermometers |
| ASTM E 2995 : 2015 : REV A : R2025 | Standard Specification for ASTM Thermohydrometers with Integral Low-Hazard Thermometers |
| ASTM E 100 : 2019 : R2024 | Standard Specification for ASTM Hydrometers |
| ASTM D 287 : 2022 | Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer/Method) |
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| ASTM E 2181/E2181M : 2024 | Standard Specification for Compacted Mineral-Insulated, Metal-Sheathed, Noble Metal Thermocouples and Thermocouple Cable |
| ASTM E 1605 : 2022 | Standard Terminology Relating to Lead in Buildings |
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| ASTM D 2699 : 2025 | Standard Test Method for Research Octane Number of Spark-Ignition Engine Fuel |
| ASTM E 452 : 2002 : R2023 | Standard Test Method for Calibration of Refractory Metal Thermocouples Using a Radiation Thermometer |
| ASTM E 563 : 2022 | Standard Practice for Preparation and Use of an Ice-Point Bath as a Reference Temperature |
| ASTM E 2846 : 2020 : R2025 | Standard Guide for Thermocouple Verification |
| ASTM E 825 : 1998 : R2023 | Standard Specification for Phase Change-Type Disposable Fever Thermometer for Intermittent Determination of Human Temperature |
| ASTM D 6923 : 2023 | Standard Test Method for Evaluation of Engine Oils in a High Speed, Single-Cylinder Diesel Engine—Caterpillar 1R Test Procedure |
| ASTM E 1129/E1129M : 2019 : R2024 | Standard Specification for Thermocouple Connectors |
| ASTM E 2488 : 2022 | Standard Guide for the Preparation and Evaluation of Liquid Baths Used for Temperature Calibration by Comparison |
| ASTM E 1 : 2014 : R2025 | Standard Specification for ASTM Liquid-in-Glass Thermometers |
| ASTM E 77 : 2014 : R2021 | Standard Test Method for Inspection and Verification of Thermometers |
| ASTM E 574 : 2023 | Standard Specification for Duplex, Base Metal Thermocouple Wire With Glass Fiber or Silica Fiber Insulation |
| ASTM E 2847 : 2021 | Standard Test Method for Calibration and Accuracy Verification of Wideband Infrared Thermometers |
| ASTM E 601 : 2020 | Standard Guide for Measuring Electromotive Force (EMF) Stability of Base-Metal Thermoelement Materials With Time in Air |
| ASTM E 2251 : 2014 : R2021 | Standard Specification for Liquid-in-Glass ASTM Thermometers with Low-Hazard Precision Liquids |
| ASTM E 1142 : 2025 : REV A | Standard Terminology Relating to Thermophysical Properties |
| ASTM E 1159 : 2015 : R2025 | Standard Specification for Thermocouple Materials, Platinum-Rhodium Alloys, and Platinum |
| ASTM E 780 : 2017 : R2021 | Standard Test Method for Measuring the Insulation Resistance of Mineral-Insulated, Metal-Sheathed Thermocouples and Mineral-Insulated, Metal-Sheathed Cable at Room Temperature |
| ASTM F 2362 : 2003 : R2024 | Standard Specification for Temperature Monitoring Equipment |
| ASTM E 1299 : 1996 : R2023 | Standard Specification for Reusable Phase-Change-Type Fever Thermometer for Intermittent Determination of Human Temperature |
| ASTM E 207 : 2021 | Standard Test Method for Thermal EMF Test of Single Thermoelement Materials by Comparison With Reference Thermoelement of Similar EMF-Temperature Properties |
| ASTM D 6822 : 2024 | Standard Test Method for Density, Relative Density, and API Gravity of Crude Petroleum and Liquid Petroleum Products by Thermohydrometer Method |
| ASTM E 1112 : 2000 : R2018 | Standard Specification for Electronic Thermometer for Intermittent Determination of Patient Temperature |
| ASTM E 292 : 2024 | Standard Test Methods for Conducting Time-for-Rupture Notch Tension Tests of Materials |
| ASTM E 1137/E1137M : 2008 : R2020 | Standard Specification for Industrial Platinum Resistance Thermometers |
| ASTM E 1750 : 2023 | Standard Guide for Use of Water Triple Point Cells |
| ASTM E 2593 : 2017 : R2023 | Standard Guide for Accuracy Verification of Industrial Platinum Resistance Thermometers |
| ASTM D 6176 : 1997 : R2022 | Standard Practice for Measuring Surface Atmospheric Temperature with Electrical Resistance Temperature Sensors |
| ASTM E 1751/E1751M : 2020 | Standard Guide for Temperature Electromotive Force (emf) Tables for Non-Letter Designated Thermocouple Combinations |
| ASTM D 6922 : 2013 : R2025 | Standard Test Method for Determination of Homogeneity and Miscibility in Automotive Engine Oils |
| ASTM E 2730 : 2022 | Standard Guide for Calibration and Use of Thermocouple Reference Junction Probes in Evaluation of Electronic Reference Junction Compensation Circuits |
| ASTM E 879 : 2020 | Standard Specification for Thermistor Sensors for General Purpose and Laboratory Temperature Measurements |
| ASTM D 909 : 2022 | Standard Test Method for Supercharge Rating of Spark-Ignition Aviation Gasoline |
| ASTM E 1061 : 2001 : R2022 | Standard Specification for Direct-Reading Liquid Crystal Forehead Thermometers |
| ASTM E 2821 : 2020 | Standard Specification for Compacted Mineral-Insulated, Metal-Sheathed Cable Used in Industrial Resistance Thermometers |
| ASTM E 585/E585M : 2023 | Standard Specification for Compacted Mineral-Insulated, Metal-Sheathed, Base Metal Thermocouple Cable |
| ASTM E 2623 : 2014 : R2021 | Standard Practice for Reporting Thermometer Calibrations |
| ASTM E 1502 : 2024 | Standard Guide for Use of Fixed-Point Cells for Reference Temperatures |
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