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JJG 815-2018 English PDF

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JJG 815-2018: Taking Blood Electronic Scales
Status: Valid

JJG 815: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJG 815-2018	English	419	Add to Cart	4 days [Need to translate]	Taking Blood Electronic Scales	Valid	JJG 815-2018
JJG 815-1993	English	239	Add to Cart	3 days [Need to translate]	Verification Regulation of Taking Blood Electronic Scale	Obsolete	JJG 815-1993

PDF similar to JJG 815-2018

Standard similar to JJG 815-2018

GB/T 36126 JJG 797 GB/T 1885 JJG 126 JJG 808 JJG 817

Basic data

Standard ID	JJG 815-2018 (JJG815-2018)
Description (Translated English)	Taking Blood Electronic Scales
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A53
Classification of International Standard	17.100
Word Count Estimation	18,124
Date of Issue	2018-06-25
Date of Implementation	2018-12-25
Older Standard (superseded by this standard)	JJG 815-1993
Quoted Standard	JJG 99; JJF 1181
Regulation (derived from)	State Administration of Markets, Announcement No. 13 of 2018
Issuing agency(ies)	State Administration for Market Regulation
Summary	This standard applies to the first verification, subsequent verification and in-use inspection of blood collection electronic scales (hereinafter referred to as scales).

JJG 815-2018: Taking Blood Electronic Scales

---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.
Taking Blood Electronic Scales National Metrology Verification Regulations of the People's Republic Blood collection electronic scale Published on.2018-06-25 2018-12-25 implementation State Administration of Markets issued Blood collection electronic scale verification procedures Replace JJG 815-1993 Focal Point. National Weighing Instrumentation Technical Committee Main drafting unit. Shandong Institute of Metrology Baotou City Product Quality Measurement and Inspection Institute Zhejiang Institute of Metrology Participated in the drafting unit. Suzhou Metrology and Testing Institute Suzhou Medical Instrument Factory Ankang Quality and Technical Inspection and Testing Center This regulation entrusts the National Weighing Instrumentation Technical Committee to explain The main drafters of this procedure. Liu Ping (Shandong Institute of Metrology) Feng Xianghui (Baotou City Product Quality Measurement and Inspection Institute) Shang Xianping (Zhejiang Institute of Metrology) Participate in the drafters. Yang Pusheng (Baotou City Product Quality Measurement and Inspection Institute) Dong Chenguang (Suzhou Metrology and Testing Institute) Yang Duan Duan (Suzhou Medical Instrument Factory) Wang Bin (Ankang Quality and Technical Inspection and Testing Center)

Introduction (II) 1 Scope (1) 2 References (1) 3 terms and units of measurement (1) 3.1 Terminology (1) 3.2 Unit of measurement (1) 4 Overview (1) 5 Metrological performance requirements (1) 5.1 Classification of Accuracy Levels (1) 5.2 Verification of the division value (2) 5.3 Maximum allowable error (2) 5.4 Repeatability (2) 5.5 eccentric load (2) 5.6 Identification threshold (2) 5.7 Zero accuracy and peeling accuracy (if applicable) (2) 6 General technical requirements (3) 6.1 Identification of measuring instruments (3) 6.2 Swing frequency (3) 6.3 Alarm function (3) 7 Measuring instrument control (3) 7.1 Standard equipment for verification (3) 7.2 Verification conditions (3) 7.3 Verification project (3) 7.4 Inspection of general technical requirements (4) 7.5 Metrological Performance Verification (4) 7.6 Processing of verification results (8) 7.7 verification period (8) Appendix A Verification Record Format (Recommended) (9) Appendix B Verification certificate page format (recommended) (12) Appendix C Format of the end of the verification result notice (recommended) (13)

Introduction

This regulation is a revision of the JJG 815-1993 "Electronic Blood Collection Scale" verification procedures. This procedure refers to the measurement performance requirements and general technical requirements of JJG 539-2016, and is executed on the format. JJF1002-2010 "Rules for the preparation of national metrological verification procedures". Compared with JJG 815-1993, except for editorial repair In addition, there are mainly the following differences. --- Added terms related to metrological verification (see 3.1.1); --- specifies the legal unit of measurement that must be used for blood collection scales (see 3.2); ---Modified the relationship between the accuracy level of the scale and the verification division value, the verification division number and the minimum weighing amount (see 5.1); ---Modified the maximum allowable error of the blood collection electronic scale (see 5.3); --- Modified the swing frequency of the scale (see 6.2); --- Added a list of verification items (see 7.3); --- Modified the verification load and verification method of weighing (see 7.5.7); --- Increased the accuracy of the peeling (if applicable) and the weighing test after peeling (if applicable) (see 7.5.8, 7.5.9); --- Increased the swing frequency check (see 7.4.2); --- Dynamic verification is modified to set the alarm value verification (see 7.5.13); --- Provides the format of the verification record and the verification certificate, and the format of the verification result page (see Appendix A, B, C). The previous versions of this procedure were released as follows. ---JJG 815-1993 "Electronic blood collection scale". Blood collection electronic scale

1 Scope

This procedure is applicable to the first verification, subsequent verification and in-use inspection of blood collection electronic scales (hereinafter referred to as scales).

2 reference files

JJG 99 weight JJF1181 Weighing Terms and Definitions For dated references, only the dated version applies to this Code; any undated quotation The latest version (including all amendments) applies to this procedure.

3 terms and units of measure

3.1 Terminology The terms defined by JJF1181 and the following terms apply to this procedure. 3.1.1 Maximum allowable setting error maximumpermissiblepresetvalueerror The maximum allowable difference between the blood collection preset value and the scale value at the time of the alarm. 3.2 Unit of measurement The unit of measurement used by the scale shall be the legal unit of measurement, gram (g).

4 Overview

The scale is a special non-automatic scale for blood collection and weighing. Principle. the object is placed on the carrier, and the electrical signal generated by the load cell is converted by the data processing device. Calculate, the weighing device displays the weighing result, and then converts the weighing result into milliliters through the density conversion function. The volume value of the bit is displayed. Structure. The load cell is used as the basic component, with tray, swing mechanism, control circuit, alarm, etc. Piece of composition. Uses. Mainly used in blood collection weighing measurement, widely used in blood stations, hospitals and other medical places.

5 Metrological performance requirements

5.1 Division of accuracy levels The relationship between the accuracy level of the scale and the verification index value, the verification index number and the minimum weighing amount is shown in Table 1.

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