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JJF 1098-2003

JJF 1098-2003_English: PDF (JJF1098-2003)
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JJF 1098-2003English629 Add to Cart Days<=5 Calibration Specification for Auto-measuring System of Thermocouples and Resistance Thermom JJF 1098-2003 Valid JJF 1098-2003
 

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 25,250
Date of Issue 2003-03-05
Date of Implementation 2003-06-01
Drafting Organization China Testing Technology Research Institute
Administrative Organization National Technical Committee of the temperature measurement
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
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)
table of Contents
1 range (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