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JJF 1632-2017 English PDF

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JJF 1632-2017: Calibration Specification for Temperature Parameters of Temperature Switches
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Basic data

Standard ID JJF 1632-2017 (JJF1632-2017)
Description (Translated English) Calibration Specification for Temperature Parameters of Temperature Switches
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A54
Word Count Estimation 14,111
Date of Issue 2017-09-26
Date of Implementation 2017-12-26
Regulation (derived from) General Administration of State Quality Inspection Announcement 2017 No. 78
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine

JJF 1632-2017: Calibration Specification for Temperature Parameters of Temperature Switches

---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.
(Temperature switch temperature parameter calibration specification) People's Republic of China National Measurement Specifications Temperature switch temperature parameter calibration specification CalibrationSpecification forTemperatureParameters 2017-09-26 Posted 2017-12-26 Implementation General Administration of Quality Supervision, Inspection and Quarantine released Temperature switch temperature parameter calibration specification Parameters of TemperatureSwitches The focal point. National Temperature Measurement Technical Committee The main drafting unit. Dalian Institute of Measurement and Testing China Institute of Metrology China University of Metrology Liaoning Province Institute of Metrology Participate in the drafting unit. Luoyang Quality and Technical Supervision Test Center Beijing Const Instrument Technology Co., Ltd. Jiu Mao Automation (Dalian) Co., Ltd. This specification entrusts the national temperature measurement technical committee to be responsible for explaining The main drafters of this specification. Li Ying (Dalian Institute of Measurement and Testing) Jin Zhijun (China Institute of Metrology) Sun Bin (China University of Metrology) Liang (Liaoning Institute of Metrology) Participate in the drafters. Wang Ling (Luoyang Quality and Technical Supervision Testing Center) Liu Baoqi (Beijing Const Instrument Technology Co., Ltd.) Cao Guogang [Jiu Mao Automation (Dalian) Co., Ltd.]

table of Contents

Introduction (Ⅱ) 1 Scope (1) 2 References (1) 3 Terms (1) 4 Overview (1) 5 Metrology (2) 5.1 Operating temperature error (2) 5.2 on-off temperature difference (2) 6 Calibration conditions (3) 6.1 Environmental conditions (3) 6.2 Measurement standards and other equipment (3) 7 Calibration Items and Calibration Methods (3) 7.1 Calibration Items (3) 7.2 Calibration Methods (3) 8 Calibration Results Expression (4) 9 re-school interval (4) Appendix A Calibration Original Record Reference Format (5) Appendix B calibration certificate reference page format (6) Appendix C Action Temperature Error Uncertainty Evaluation Example (7)

Introduction

This specification is based on JJF 1071-2010 "National Metrology Calibration Rules" drafting rules, in which the measurement uncertainty The degree of assessment in accordance with JJF 1059.1-2012 "Measurement Uncertainty Assessment and said." This specification is first released. Temperature switch temperature parameter calibration specification

1 Scope

This standard applies to the use of (-30 ~ 300) ℃ bimetal, pressure, electronic temperature is open Calibration of temperature parameters.

2 reference documents

GB/T 14536.10-2008 Household and similar electrical automatic controller temperature-sensitive controller special Claim Bimetallic temperature controllers for household and similar use GB/T 22687-2008 Pressure-type temperature controllers for household and similar use GB/T 22688-2008 For dated references, only the dated version applies to this specification; for undated references The latest version (including all amendments) applies to this specification.

3 Terms

JJF 1001-2011, JJF 1007-2007 defined and the following terms and definitions apply to this specification. 3.1 temperature switch temperatureswitch Temperature reaches a specific value to produce switching elements or devices. 3.2 Operating temperature operatingtemperature Temperature switch contact is closed (normally open) or disconnected (normally closed) corresponds to the actual temperature value. 3.3 Reply temperature recoverytemperature When the contact of the temperature switch is closed or opened, the contact of the temperature switch is opened (normally open) or closed (normally closed) The actual temperature should be. 3.4 setpoint setpoint You want the temperature switch to be closed (normally open) or open (normally closed) temperature. 3.5 Operating temperature error operatingtemperatureerror The difference between the operating temperature and the set value. 3.6 on-off temperature difference temperaturedifferenceofopenandclosedpoint The absolute value of the difference between the action temperature and the recovery temperature.

4 Overview

Temperature switch is the temperature reaches a specific value to produce switching elements or devices, mainly by the temperature-sensitive components and moving For switching and other components, play a role in control, protection and restrictions, are widely used in motors, household appliances and so on. According to the working principle can be divided into bimetallic, pressure type, electronic type, working principle shown in Figure 1, Figure 2 and Figure 3. According to the regulation can be divided into fixed, adjustable, according to the switch at room temperature can be divided into normally open and normally closed.

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