共找到 894 条与 温度测量仪器仪表 相关的标准,共 60 页
1.1 This specification covers reusable phase-change-type clinical thermometers. 1.2 The following safety hazards caveat pertains only to the test method portion, Section 6, of this specification. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.3 This 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.
Standard Specification for Reusable Phase-Change-Type Fever Thermometer for Intermittent Determination of Human Temperature
1.1 This specification covers phase change-type clinical thermometers that are designed and intended for one-time use. 1.2 This 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.
Standard Specification for Phase Change-Type Disposable Fever Thermometer for Intermittent Determination of Human Temperature
1.1 The Interstate Mercury Education and Reduction Clearinghouse (IMERC) and the U.S. Environmental Protection Agency (EPA) are phasing out the use of mercury thermometers because of safety and environmental concerns. This guide was developed to support replacing mercury thermometers in D04 standards with appropriate electronic thermometers. 1.2 This guide provides assistance for the D04 subcommittees when selecting electronic thermometers for general use in water or oil baths and ovens and as possible replacements for Specification E1 mercury thermometers currently used in D04 road and paving standards. Guidance for using non-mercury liquid thermometers in place of mercury thermometers can be found in Specification E2251. 1.3 Some guidance is also provided for selecting a handheld infrared thermometer for use in field applications. 1.4 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this guide. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 This 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.
Standard Guide for Selecting an Appropriate Electronic Thermometer for Replacing Mercury Thermometers in D04 Road and Paving Standards
Technical requirements for room temperature wireless acquisition system for heating civil buildings
Technical specification for maintenance of two-port N5242 vector network analyzer
本文件规定了热工控制系统用光纤光栅温度传感器的结构、分类及参数、要求、试验方法、检验规则、标志、包装、运输和贮存。
Optical fiber grating temperature sensor temperature sensors for thermal control systems
1.1 This practice covers the determination of the noise equivalent temperature difference (NETD; NE∆T) of thermal imaging systems of the conventional forward-looking infrared (FLIR) or other types that utilize an optical-mechanical scanner; it does not include charge-coupled devices or pyroelectric vidicons. 1.2 Parts of this practice have been formulated under the assumption of a photonic detector(s) at a standard background temperature of 295 °K (22 °C). Besides nonuniformity, examinations made at other background temperatures may result in impairment of precision and bias. 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This 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.
Standard Practice for Noise Equivalent Temperature Difference of Thermal Imaging Systems
1.1 This practice covers the determination of the minimum detectable temperature difference (MDTD) capability of a compound observer-thermal imaging system as a function of the angle subtended by the target. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This 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.
Standard Practice for Minimum Detectable Temperature Difference for Thermal Imaging Systems
1.1 This guide is intended for use with controlled temperature comparison baths that contain test fluids and operate within the temperature range of –100 °C to 550 °C. 1.2 This guide describes the essential features of controlled temperature fluid baths used for the purpose of thermometer calibration by the comparison method. 1.3 This guide does not address the details on the design and construction of controlled-temperature fluid baths. 1.4 This guide describes a method to define the working space of a bath and evaluate the temperature variations within this space. Ideally, the working space will be as close as possible to isothermal. 1.5 This guide does not address fixed point baths, ice point baths, or vapor baths. 1.6 This guide does not address fluidized powder baths. 1.7 This guide does not address baths that are programmed to change temperature. 1.8 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.9 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.10 This 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.
Standard Guide for the Preparation and Evaluation of Liquid Baths Used for Temperature Calibration by Comparison
前言 1 范围 2 规范性引用文件 3 术语和定义 4 缩略语 5 产品组成 6 技术要求 7 试验方法 8 检验规则 9 文件提供 10 标志、包装、运输和贮存
plug and play temperature measuring module for mobile phone
1.1 This guide covers electronic instruments intended for measurement of temperature by detecting intensity of thermal radiation exchanged between the subject of measurement and the sensor. 1.2 The devices covered by this guide are referred to as IR thermometers. 1.3 The IR thermometers covered in this guide are instruments that are intended to measure temperatures below 2700 °C and measure a narrow to wide band of thermal radiation in the infrared region. 1.4 This guide covers best practice in using IR thermometers. It addresses concerns that will help the user make better measurements. It also provides graphical tables to help determine the accuracy of measurements. 1.5 Details on the design and construction of IR thermometers are not covered in this guide. 1.6 This guide addresses general information on emissivity and how to deal with emissivity when making measurements with an IR thermometer. 1.7 This guide contains basic information on the classification of different types of IR thermometers. 1.8 The values of quantities stated in SI units are to be regarded as the standard. The values of quantities in parentheses are not in SI and are optional. 1.9 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.10 This 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.
Standard Guide for Selection and Use of Infrared Thermometers
1.1 These test methods describe the temperature calibration of dynamic mechanical analyzers (DMA) from –100 °C to 300 °C. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This 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.
Standard Test Methods for Temperature Calibration of Dynamic Mechanical Analyzers
1 Scope This document specifies pattern approval tests for thermal energy meters. Thermal energy meters are instruments intended for measuring the energy which in a heat-exchange circuit is absorbed (cooling) or given up (heating) by a liquid called the heat-conveying liquid. The thermal energy meter indicates the quantity of thermal energy in legal units. This document covers meters for closed systems only, where the differential pressure over the thermal load is limited. This document is not applicable to: — electrical safety requirements; — pressure safety requirements; and — surface mounted temperature sensors.
Thermal energy meters. Pattern approval tests
1 Scope This document specifies commissioning, operational monitoring and maintenance and applies to thermal energy meters. Thermal energy meters are instruments intended for measuring the energy which in a heat-exchange circuit is absorbed (cooling) or given up (heating) by a liquid called the heat-conveying liquid. The thermal energy meter indicates the quantity of thermal energy in legal units. This document covers meters for closed systems only, where the differential pressure over the thermal load is limited. This document is not applicable to: — electrical safety requirements; — pressure safety requirements; and — surface mounted temperature sensors.
Thermal energy meters - Installation, commissioning, operational monitoring and maintenance
1 Scope This document is applicable for the general requirements for thermal energy meters . Thermal energy meters are instruments intended for measuring the energy which in a heat-exchange circuit is absorbed (cooling) or given up (heating) by a liquid called the heat-conveying liquid. The thermal energy meter indicates the quantity of thermal energy in legal units. This document covers meters for closed systems only, where the differential pressure over the thermal load is limited. This document is not applicable to: — electrical safety requirements; — pressure safety requirements; and — surface mounted temperature sensors.
Thermal energy meters. General requirements
1 Scope This document specifies initial verification tests for thermal energy meters. Thermal energy meters are instruments intended for measuring the energy which in a heat-exchange circuit is absorbed (cooling) or given up (heating) by a liquid called the heat-conveying liquid. The thermal energy meter indicates the quantity of thermal energy in legal units. This document covers meters for closed systems only, where the differential pressure over the thermal load is limited. This document is not applicable to: — electrical safety requirements; — pressure safety requirements; and — surface mounted temperature sensors.
Thermal energy meters. Initial verification tests
Enclosed-scale general purpose thermometers
Electronic Self-Balancing Recorders for Industrial Use
Metal sheathed resistance thermometer sensors
Liquid-in-glass laboratory thermometers-Principles of design, construction and use
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