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JJG 2016-2015 English PDF

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JJG 2016-2015: Viscosity Measuring Instruments
Status: Valid

JJG 2016: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJG 2016-2015	English	189	Add to Cart	3 days [Need to translate]	Viscosity Measuring Instruments	Valid	JJG 2016-2015
JJG 2016-1987	English	199	Add to Cart	2 days [Need to translate]	Verification Scheme of Viscosity Measuring Instruments	Obsolete	JJG 2016-1987

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Standard similar to JJG 2016-2015

JJF 1943 GB/T 36126 GB/T 1885 JJF 2022 JJF 2021 JJF 2016

Basic data

Standard ID	JJG 2016-2015 (JJG2016-2015)
Description (Translated English)	Viscosity Measuring Instruments
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A53
Classification of International Standard	17.020
Word Count Estimation	8,885
Date of Issue	2015-06-15
Date of Implementation	2015-12-15
Older Standard (superseded by this standard)	JJG 2016-1987
Regulation (derived from)	AQSIQ Announcement 2015 No.72
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine
Summary	This Standard applies to the money transfer viscosity measuring instruments, provides the baseline measurement, with the national level, two standard viscosity material, after the viscosity measurement standard unit measure accurately and reliably transmitted to the measuring instruments work methods and procedures.

JJG 2016-2015: Viscosity Measuring Instruments

---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.
(Viscosity measuring instruments Verification System) People's Republic of China National Metrological Verification System tables Viscosity measuring instruments Issued on. 2015-06-15 2015-12-15 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Viscosity measuring instruments Verification System Replacing JJG 2016-1987 Focal point. the National Technical Committee stoichiometric physical Drafting units. China Institute of Metrology The Verification System commissioned the National Technical Committee of the stoichiometric physics responsible for the interpretation The Verification System drafters. Zhang Zhengdong (China Institute of Metrology) Drafters participate. Lvzhong Lan

Introduction (Ⅱ) 1 Scope (1) 2 Viscosity measurement reference (1) 3 Viscosity measurement standards (1) 3.1 a Standard Viscosity material (1) 3.2 standard capillary viscometer (2) 3.3 Secondary Viscosity Standards (2) 4 viscosity measuring instruments work (2) 4.1 viscosity measuring instruments work and the type of value transfer mode (2) 4.2 Working capillary viscometer (2) 4.3 rotational viscometer (2) 4.4 flow cup viscometer (2) 4.5 Scroll falling ball viscometer (2) 5 viscosity measuring instruments Verification System block diagram (3)

Introduction

The verification system in accordance with JJF1104-2003 "National Metrological Verification System write rules" to write, and JJG 2016-1987 compared to, in addition to editorial changes outside the main technical changes are as follows. --- Increased contents Introduction; --- Reference measurement capabilities expanded from 1 × 105mm2 · s-1 to 1 × 106mm2 · s-1; --- Verification system in accordance with the magnitude of the uncertainty of the corresponding levels JJF1059.1-2012 "Measurement Uncertainty And means "to be assessed. The previous versions of the system tables published case. --- JJG 2016-1987 Viscosity measuring instruments Verification System

1 Scope

The verification system applicable to value transfer viscosity measuring instruments, provides the baseline measurement, by means of a national Grade secondary reference material viscosity, viscosity unit after measurement standard will measure accurately and reliably transmitted to the measuring instruments work Methods and procedures.

2 Viscosity measurement reference

2.1 viscosity national benchmarks for reproduction and preservation of liquid kinematic viscosity units, national unity is the highest viscosity values in accordance with. 2.2 viscosity national benchmarks by the glass capillary viscometer, precision thermostat bath temperature and timing and precision equipment. its , The capillary viscometer inner diameter in the range of (0.35 ~ 6.9) mm, a total of nine different diameter, the inner diameter of each of the three, the whole Sets 27. 2.3 viscosity national benchmarks reproduce Newtonian liquid Kinematic viscosity in the range of (1 ~ 1 × 106) mm2 · s-1, not relative expanded Determining a degree (0.10 ~ 0.50)% (k = 2). 2.4 viscosity national benchmarks to fresh double distilled water viscosity at 20 ℃, 101325Pa pressure as the highest standard (Kinematic viscosity is internationally recognized 1.0034mm2 · s-1), by means of a series of standard material viscosity, with "L-order phase Of the Law ", measuring the efflux time t, according to equation (1) calculate the kinematic viscosity values, covering the entire kinematic viscosity measurement range. v = C × t (1) Where. v --- standard viscosity fluid kinematic viscosity, mm2 · s-1; C --- viscometer constant, mm2 · s-2; t --- flow time, s. NOTE. fresh double distilled water Referring to the technical requirements of ISO /T R3666.1998 (E) execution. 2.5 Viscosity Viscosity national benchmarks to a standard material transfer unit of measure viscosity by direct measurement, in order to ensure that the domestic Unified viscosity measurement. According to the viscosity of a viscosity standard material, selecting the appropriate outflow time, three of the same diameter Reference capillary viscometer, at a certain temperature when a material flow through the capillary viscosity standards required for direct measurement Room kinematic viscosity values calculated according to equation (1).

3 Viscosity measurement standards

A 3.1 Viscosity Standards 3.1.1 a reference material viscosity kinematic viscosity in the range of (1 ~ 1 × 106) mm2 · s-1, setting temperature range (20 ~ 50) ℃. 3.1.2 a viscosity standard substance relative expanded uncertainty is 20 ℃ viscosity values (0.15 ~ 1.0)% (k = 2).

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