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JJF 1418-2013 English PDF

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JJF 1418-2013: Program of Pattern Evaluation of Pressure Controller
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Basic data

Standard ID JJF 1418-2013 (JJF1418-2013)
Description (Translated English) Program of Pattern Evaluation of Pressure Controller
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A53
Classification of International Standard 17.100
Word Count Estimation 38,353
Quoted Standard JJG 544-2011; JB/T 6802-2008; JB/T 9329-1999
Regulation (derived from) ?AQSIQ Announcement 2013 No. 88;
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to pressure-sensitive element is a diaphragm, diaphragm, bellows, pressure spring tube and the piston, vacuum and pressure vacuum passive controller (hereinafter referred to as controller) type evaluation.

JJF 1418-2013: Program of Pattern Evaluation of Pressure Controller

---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.
Program of Pattern Evaluation of Pressure Controller People's Republic of China National Metrology Technical Specifications Pressure controller type evaluation outline Issued on. 2013-07-04 2013-10-04 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Pressure controller type evaluation outline Focal point. the National Technical Committee of pressure measurement Main drafting unit. Zhejiang Institute of Metrology Shaanxi Provincial Institute of Metrology Participated in the drafting unit. Liaoning Provincial Institute of Metrology This outline commissioned the National Technical Committee of pressure measurement shall be interpreted The main drafters of this Memorandum. Qiu Vietnam (Zhejiang Institute of Metrology) Cai Fei (Zhejiang Institute of Metrology) Sun Guohua (Zhejiang Institute of Metrology) Wang Hongyan (Shaanxi Provincial Institute of Metrology) Drafters participate. In Xiaobai (Liaoning Provincial Institute of Metrology) Shang Shuangshuang (Liaoning Provincial Institute of Metrology)

table of Contents

Introduction (Ⅱ) 1 Scope (1) 2. References (1) 3 Overview (1) 4 legal management requirements (1) 4.1 units of measurement (1) 4.2 Accuracy (1) 4.3 legal metrology marking and identification of measuring instruments (1) 4.4 Installation flag (2) 4.5 Experimental Prototype (2) 4.6 Technical Information (2) 5 measurement requirements (2) 5.1 control voltage range (2) 5.2 setpoint error (3) 5.3 Repeatability (3) 5.4 switching difference (3) 5.5 Ultra (static) pressure (3) 6 General Requirements (4) 6.1 Appearance (4) 6.2 Insulation resistance (4) 6.3 dielectric strength (4) 6.4 Ambient Temperature Effect (4) 6.5 alternating load (4) 6.6 mechanical vibrations (5) 6.7 Effect of heat (5) 6.8 anti-environmental performance of transport (5) 7 type evaluation item list (5) 8 test items test methods and conditions (6) 8.1 Test conditions (6) 8.2 Type evaluation method (7) Type 9 Judgment principle results (11) Appendix A pressure controller type evaluation original record format (12)

Introduction

JJF 1002-2010 "national verification procedures write rules", JJF 1001 "common measurement terms and definitions" And JJF 1059 "Evaluation and Expression of Uncertainty in Measurement" together constitute the basic outline of this series specifications developed. This outline accordance JJG544-2011 "pressure controller" and JB/T 6802-2008 "pressure controller" of Content requires compiled, performance pressure controller can make an objective, comprehensive and effective evaluation. The outline of the structure in accordance with JJF 1016-2009 "appliance type evaluation outline guidelines for the preparation of measurement" orchestrated Each chapter in accordance with JJF 1015-2002 "Measuring Instruments type evaluation and type approval of universal norms" and JJF 1002- 2010 provisions "national verification procedures write rules" were prepared. Pressure controller type evaluation outline

1 Scope

This outline is applied to the pressure-sensitive element is a diaphragm pressure diaphragm, bellows, spring tube and piston vacuum and pressure Passive vacuum controller (hereinafter referred to as controller) pattern evaluation. 2. References This outline cited the following documents. JJG544-2011 pressure controller JB/T 6802-2008 Pressure Controller Basic environmental conditions and test methods JB/T 9329-1999 Instrument storage transport transportation For dated references, only the dated edition applies to this outline; undated reference documents Member, the latest edition (including any amendments) applies to this outline.

3 Overview

The controller is a closed circuit as the pressure changes resulting from or disconnect switch for ships, refrigeration equipment or He industrial equipment, and supporting the actuator pressure of gases, vapors or liquids were two control. The controller is an industrial process measurement and control system for controlling the pressure of a special instrument. Works when the input To control or alarm when the pressure reaches the set value. The controller according to the type of pressure-sensing elements can be divided into diaphragm, bellows, bellows, spring and piston tube Etc; whether by switching difference adjustable switching difference can be divided into adjustable and non-adjustable switching difference; according to the set point is adjustable separable Adjustable set point and the set point is not adjustable.

4 legal management requirements

4.1 units of measurement Pressure controller unit of measurement is Pa (Pascal), or its decimal multiples units. kPa, MPa and the like. 4.2 Accuracy Controller level of accuracy can be 0.5, 1.0, 1.5, 2.0, 2.5, 4.0 selected Take, and in accordance with the provisions of JJG544-2011. 4.3 legal metrology marking and measuring instruments logo Must be marked with signs and legal metrology measuring instruments and other parts clearly identified in the controller nameplate or panel, its logo And labeling must be clear, solid and reliable. 4.3.1 legal metrology mark content. --- Measurement equipment manufacturing license logo and number (test prototype should stay out of the corresponding position); --- Product certification (the controller separately from the body).

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