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JJF 1098-2003 English PDF

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JJF 1098-2003: Calibration Specification for Auto-measuring System of Thermocouples and Resistance Thermom
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJF 1098-2003	English	649	Add to Cart	5 days [Need to translate]	Calibration Specification for Auto-measuring System of Thermocouples and Resistance Thermom	Valid	JJF 1098-2003

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Basic data

Standard ID	JJF 1098-2003 (JJF1098-2003)
Description (Translated English)	Calibration Specification for Auto-measuring System of Thermocouples and Resistance Thermom
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A54
Word Count Estimation	25,264
Date of Issue	2003-03-05
Date of Implementation	2003-06-01
Issuing agency(ies)	State Administration of Quality Supervision, Inspection and Quarantine
Summary	This standard applies to the second standard S-type thermocouple, working automatic measurement system (hereinafter referred to as the system) calibrated thermocouple and industrial thermal resistance. For R-type, B-type standard thermocouple calibration measurement system can also be implemented by reference.

JJF 1098-2003: Calibration Specification for Auto-measuring System of Thermocouples and Resistance Thermom

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Calibration Specification for Auto-measuring System of Thermocouples and Resistance Thermom National Metrology Technical Specification of the People's Republic Thermocouple, RTD automatic measurement system calibration specification Released on.2003-03-05 2003-06-01 implementation The General Administration of Quality Supervision, Inspection and Quarantine issued Thermocouple, thermal resistance automatic measurement system Calibration specification This specification was approved by the General Administration of Quality Supervision, Inspection and Quarantine on March 5,.2003, and Implemented on June 1,.2003. Focal Point. National Temperature Measurement Technical Committee Main drafting unit. China Testing Technology Research Institute China Institute of Metrology Guangdong Institute of Metrology This specification entrusts the focal point to be responsible for interpretation The main drafters of this specification. Wei Shoufang (China Testing Technology Research Institute) Chen Le (China Institute of Metrology) Shen Zhengyu (Guangdong Institute of Metrology) Participate in the drafters. Yan Lixin (Chongqing Instrument Materials Research Institute) Chen Shiyue (Zhejiang Dongtou Automation Instrument Factory) Zheng Zhonghui (Xihang Electronic Instrument Factory) Xu Jun (Taian Intelligent Instrument and Meter Factory) Gan Liangzhen (Zhejiang Dongtou Electrical Instrument Factory)

1 Scope (1) 2 Citations (1) 3 terms and units of measurement (1) 3.1 Standard (1) 3.2 Electrical measuring instruments (1) 3.3 Thermostat (1) 3.4 Scan Switch (1) 4 Overview (1) 4.1 System composition (1) 4.2 Use of the system (2) 5 Measurement characteristics (2) 5.1 Technical requirements for major components of the system (2) 5.2 Functional requirements of dedicated measurement software (2) 5.3 Security Performance (2) 5.4 Measurement characteristics (2) 6 Calibration conditions (3) 6.1 Environmental conditions (3) 6.2 Calibration Standards and Auxiliary Equipment (3) 7 Calibration items and calibration methods (4) 7.1 Calibration Project (4) 7.2 Calibration method (4) 8 Expression of calibration results (6) 9 re-study interval (6) Appendix A Example of Uncertainty Evaluation of Measurement Results of Standard Thermocouple Automatic Measurement System (7) Appendix B Example of Uncertainty in Measurement Results of Industrial Thermal Resistance Automatic Measurement System (11) Appendix C Calibration Certificate Cover and Inner Page Format (19) Thermocouple, RTD automatic measurement system calibration specification

1 Scope

This calibration specification applies to S-type second-class standard thermocouples, working thermocouples, and industrial RTD automatic measurement systems. (hereinafter referred to as the system) calibration. Calibration of the R-type and B-type standard thermocouple measurement systems can also be referred to.

2 Citations

JJG75-1995 "Standard Platinum 铑10-Platinum Thermocouple Calibration Procedure" JJG351-1996 "Regulations for the verification of inexpensive metal thermocouples for work" JJG141-2000 "Regulations for the verification of thermocouples for working precious metals" JJG229-1998 "Industrial Platinum, Copper Thermal Resistance Verification Regulations" Use of this specification should be done with the current valid version of the above cited documents.

3 terms and units of measure

3.1 Standardizer Refers to a standard thermocouple or a standard platinum resistance thermometer. 3.2 Electrical measuring instrument Refers to measuring instruments used to measure electrical signals, such as potentiometers, digital multimeters, etc. 3.3 thermostat Refers to equipment used to provide a constant temperature field, such as thermocouple calibration furnaces or thermostats. 3.4 Scan switch Refers to the device used to switch the data acquisition channel, also known as a multiplexer or electronic scanner.

4 Overview

4.1 System composition There are many types of thermocouple and thermal resistance automatic measurement systems, which can be integrated or by several parts. Piece of composition. The typical structure is shown in Figure 1. Figure 1 Typical structure of the measurement system

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