ASTM D6176 - 97(2008)

    Standard Practice for Measuring Surface Atmospheric Temperature with Electrical Resistance Temperature Sensors

    Active Standard ASTM D6176 | Developed by Subcommittee: D22.11

    Book of Standards Volume: 11.07


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    Significance and Use

    ApplicationsAmbient atmospheric temperature measurements can be made using resistance thermometers for many purposes. The application determines the most appropriate type of resistance thermometer and data recording method to be used. Examples of three typical meteorological applications for temperature measurements follow.

    Single-level, near-surface measurements for weather observations (1) , thermodynamic computations for industrial applications, or environmental studies (2).

    Temperature differential or vertical gradient measurements to characterize atmospheric stability for atmospheric dispersion analyses studies (2).

    Temperature fluctuations for heat flux or temperature, or variance computations, or both. Measurements of heat flux and temperature variance require high precision measurements with a fast response to changes in the ambient atmosphere.

    PurposeThis practice is designed to assist the user in selecting an appropriate temperature measurement system for the intended atmospheric application, and properly installing and operating the system. The manufacturer's recommendations and the U.S. Environmental Protection Agency handbook on quality assurance in meteorological measurements (3) should be consulted for calibration and performance audit procedures.

    1. Scope

    1.1 This practice provides procedures to measure representative near-surface atmospheric (outdoor air) temperature for meteorological purposes using commonly available electrical thermometers housed in radiation shields mounted on stationary or portable masts or towers.

    1.2 This practice is applicable for measurements over the temperature range normally encountered in the ambient atmosphere, 50 to +50°C.

    1.3 Air temperature measurement systems include a radiation shield, resistance thermometer, signal cables, and associated electronics.

    1.4 Measurements can be made at a single level for various meteorological purposes, at two or more levels for vertical temperature differences, and using special equipment (at one or more levels) for fluctuations of temperature with time applied to flux or variance measurements.

    1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D1356 Terminology Relating to Sampling and Analysis of Atmospheres

    E344 Terminology Relating to Thermometry and Hydrometry

    E644 Test Methods for Testing Industrial Resistance Thermometers

    E1137/E1137M Specification for Industrial Platinum Resistance Thermometers


    ICS Code

    ICS Number Code 17.200.20 (Temperature-measuring instruments)

    UNSPSC Code

    UNSPSC Code 41111970(Temperature sensor)


    DOI: 10.1520/D6176-97R08

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