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JJF 1178-2007

JJF 1178-2007_English: PDF (JJF1178-2007)
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JJF 1178-2007English429 Add to Cart 3 days Calibration Specification of Fixed-Point Devices for Standard Platinum Resistance Thermometer JJF 1178-2007 Valid JJF 1178-2007

BASIC DATA
Standard ID JJF 1178-2007 (JJF1178-2007)
Description (Translated English) Calibration Specification of Fixed-Point Devices for Standard Platinum Resistance Thermometer
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A54
Classification of International Standard 17.200
Word Count Estimation 18,145
Date of Issue 2007/6/14
Date of Implementation 2007-09-14
Quoted Standard JJG 160-1992; JJG 716-1991; JJG 859-1994; JJG 985-2004
Drafting Organization China measure Scientific Academy
Administrative Organization National Temperature Measurement Technology Committee
Regulation (derived from) AQSIQ Announcement No. 95 of 2007
Issuing agency(ies) State Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to -189. 3442��C ~ 961. 78��C temperature range for indexing standard platinum resistance thermometers and platinum resistance thermometer calibration of fixed-point devices.

JJF 1178-2007
Calibration Specification of Fixed-Point Devices for Standard Platinum Resistance Thermometer
People's Republic of China National Metrology Technical Specifications
For standard platinum resistance thermometer
Fixed-point calibration device specification
Posted 2007-06-14
2007-09-14 implementation
The State Administration of Quality Supervision, Inspection and Quarantine released
For standard platinum resistance thermometer fixed point
Device calibration specifications
This specification by the State Administration of Quality Supervision, Inspection and Quarantine, 2007 June 14 ratification and
From September 14, 2007 implementation.
Focal point. the National Technical Committee of temperature measurement
The main drafting units. China Institute of Metrology
Participated in the drafting. Fluke company
Beijing Guodian Di Yang Electrical Equipment Co.,
Kunming generous Automatic Control Technology Co., Ltd.
This specification commissioned the National Technical Committee is responsible for interpretation of temperature measurement
The main drafters of this specification.
Wang Yulan (China Institute of Metrology)
Wu lian (China Institute of Metrology)
Qiu Ping (China Institute of Metrology)
Jin Zhijun (China Institute of Metrology)
This specification drafters participate.
Li Dazhong (Fluke company)
Xiaoyong Jun (Beijing Guodian DeYoung Electrical Equipment Co., Ltd.)
Lifu Hong (Kunming generous automatic control technology limited liability company)
table of Contents
1 Scope (1)
2. Referenced Documents (1)
3 Overview (1)
3.1 To define a fixed-point temperature value and Wr (t) values (1)
3.2 Definition of the interpolation method temperature value (2)
3.3 Description of Symbols (2)
4 Metrological characteristics (2)
4.1 Fixed point reproducing apparatus (2)
4.2 Metal freezing point temperature field device requirements (3)
4.3 defines a fixed point temperature plateau requirements (3)
Reproducibility 4.4 fixed-point unit (3)
4.5 fixed-point device reproducibility requirement (4)
Calibration Condition 5 (4)
5.1 Environmental Requirements (4)
5.2 Standard (4)
5.3 electrical measuring equipment (4)
6 calibration items and calibration methods (4)
6.1 Calibration item (4)
6.2 Calibration method (5)
6.3 Data Processing (7)
Expression 7 Calibration results (8)
7.1 Calibration information (8)
7.2 Calibration Data (8)
7.3 Certificate Content (8)
7.4 Conclusion Certificate (9)
8 Recalibration interval (9)
Appendix A calibration certificate (back) format (10)
Appendix B reference Uncertainty Evaluation aluminum freezing point (11)
Fixed-point device calibration specifications for standard platinum resistance thermometer
1 Scope
This instruction applies to a range -189.3442 ℃ ~ 961.78 ℃ for indexing high temperature platinum resistance thermometers and Standards
Platinum resistance thermometer calibrated fixed-point devices. (Hereinafter referred to as fixed-point device) (standard and high-temperature platinum resistance thermometers
Platinum resistance thermometer referred platinum resistance thermometers)
2 Citations
"1990 International Temperature Scale Publicizing Handbook" (China Metrology Press, 1990)
JJG160-1992 "standard platinum resistance thermometer test procedures"
JJG716-1991 "0 ℃ ~ 419.527 ℃ operating reference platinum resistance thermometer test procedures"
JJG859-1994 "pole standard platinum resistance thermometer test procedures"
JJG985-2004 "high-temperature platinum resistance thermometer work reference means test procedures"
Note. When using this specification should be noted that all of the above documents cited in the current valid version.
3 Overview
Define a fixed point is reproducible equilibrium temperatures in the temperature scale international regulations.
ITS-90 at temperatures -189.3442 ℃ ~ 961.78 ℃ define a fixed range of a total of nine points, namely. silver
Freezing point, freezing point of aluminum, zinc freezing point, freezing point of tin, indium, five freezing point freezing point, the tri