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JJF 1629-2017 English PDF

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JJF 1629-2017: Calibration Specification for Soldering Iron Thermometers
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJF 1629-2017	English	369	Add to Cart	4 days [Need to translate]	Calibration Specification for Soldering Iron Thermometers	Valid	JJF 1629-2017

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Basic data

Standard ID	JJF 1629-2017 (JJF1629-2017)
Description (Translated English)	Calibration Specification for Soldering Iron Thermometers
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A54
Word Count Estimation	16,116
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 1629-2017: Calibration Specification for Soldering Iron Thermometers

---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.
(Standard Specification for Calibrator Thermometer) People's Republic of China National Measurement Specifications Soldering iron thermometer calibration specification CalibrationSpecification for SolderingIronThermometers 2017-09-26 Posted 2017-12-26 Implementation General Administration of Quality Supervision, Inspection and Quarantine released Soldering iron thermometer calibration specification The focal point. National Temperature Measurement Technical Committee The main drafting unit. Zhejiang Institute of Metrology AVIC Great Wall Measurement and Testing Technology Institute Participated in the drafting unit Liaoning Province Institute of Metrology This specification entrusts the national temperature measurement technical committee to be responsible for explaining The main drafters of this specification. Yu Fan (Zhejiang Institute of Metrology) Cui Chao (Zhejiang Institute of Metrology) Lv Guoyi (CATIC Great Wall Measurement and Testing Technology Institute) Participate in the drafters. Xiong Yuting (Zhejiang Institute of Metrology) Xie Min (China Institute of Metrology) Wang Hao (Liaoning Provincial Institute of Metrology)

Introduction (Ⅱ) 1 Scope (1) 2 References (1) 3 Overview (1) 4 Measurement Characteristics (1) 4.1 indication error (1) 5 Calibration conditions (1) 5.1 Environmental conditions (1) 5.2 Measurement standards and other equipment (2) 6 Calibration Items and Calibration Methods (2) 6.1 Calibration Items (2) 6.2 Pre-calibration check (2) 6.3 Calibration Methods (3) 7 Calibration Results Expression (4) 8 re-school interval (4) Appendix A Soldering Iron Thermometer Calibration Original Recording Format (5) Appendix B calibration certificate page format (6) Appendix C iron thermometer indication error calibration uncertainty evaluation example (7) Appendix D on the iron thermometer calibration standards and temperature sources (10)

Introduction

This specification is based on JJF 1071-2010 "National Metrology Calibration Rules Compilation Rules" prepared, the uncertainty of the assessment by According JJF 1059.1-2012 "Measurement Uncertainty Assessment and said" carried out. This specification is first released. Soldering iron thermometer calibration specification

1 Scope

This standard applies to the temperature range (50 ~ 600) ℃, digital display temperature of the thermometer calibration.

2 reference documents

This specification cites the following documents. JJG617-1996 digital temperature indicator regulator 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 Overview

Soldering iron thermometer is used to test the temperature of a special thermometer tip, usually by the temperature sensor, the letter No. processing circuit and temperature display unit. Its working principle block diagram shown in Figure 1, the measurement of electric iron welding tip close Touch the temperature sensor so that it outputs an electrical signal to the digital display to show the temperature. Iron thermometer is usually nickel-chromium - Nickel silicon (K type) thermocouple as a temperature sensor, the general automatic shutdown, low voltage warning and the maximum temperature to maintain Features. Figure 1 thermometer block diagram

4 measurement characteristics

4.1 indication error Soldering iron thermometer indication and the difference between the standard value for the indication error, generally should not exceed ± 5 ℃.

5 calibration conditions

5.1 Environmental conditions 5.1.1 Ambient temperature (20 ± 5) ℃; Relative humidity ≤ 85%.

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