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JJF 1178-2007 English PDF

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US$469.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 1178-2007: Calibration Specification of Fixed-Point Devices for Standard Platinum Resistance Thermometer
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1178-2007	469	Add to Cart	3 days	Calibration Specification of Fixed-Point Devices for Standard Platinum Resistance Thermometer	Valid

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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: 18,182
Date of Issue: 6/14/2007
Date of Implementation: 2007-09-14
Quoted Standard: JJG 160-1992; JJG 716-1991; JJG 859-1994; JJG 985-2004
Regulation (derived from): AQSIQ Announcement No. 95 of 2007
Issuing agency(ies): General 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

---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 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)

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 triple point of water, three-phase mercury Point, three triple point of argon triple point and the melting point of gallium. Triple point is the temperature at a single component (a pure substance) in the three phases coexist in equilibrium when. Melting point and freezing point are defined as the standard atmospheric pressure (101.325kPa) under the solid and liquid phases of a two-phase pure substance level Equilibrium temperature. Fixed-point container is provided with means to achieve temperature scale defines a fixed-point temperature of the container of high purity materials. Fixed-point metal purity requirements of not less than 99.9999% (by mass). Water triple point of water in the bottle should be used by ITS-90 International Temperature Scale requires pure water, and the argon triple point of argon using no less than 99.999% (by mass). Define a fixed point device is a device for platinum resistance thermometer indexing. Define a fixed-point device comprises a container fixed-point, fixed furnaces, bath. Each temperature value 3.1 defines a fixed point and Wr (t) value Temperature values of the defined fixed points and Wr (t) values in Table 1. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1178-2007_English be delivered?

Answer: Upon your order, we will start to translate JJF 1178-2007_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJF 1178-2007_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1178-2007_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.