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JJG 927-2013: Verification Regulation of Tyre Pressure Gauges
Status: Valid JJG 927: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| JJG 927-2013 | English | 329 |
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3 days [Need to translate]
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Verification Regulation of Tyre Pressure Gauges
| Valid |
JJG 927-2013
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| JJG 927-1997 | English | 239 |
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2 days [Need to translate]
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Verification Regulation of Tyre Pressure Gauge
| Obsolete |
JJG 927-1997
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PDF similar to JJG 927-2013
Basic data | Standard ID | JJG 927-2013 (JJG927-2013) | | Description (Translated English) | Verification Regulation of Tyre Pressure Gauges | | Sector / Industry | Metrology & Measurement Industry Standard | | Classification of Chinese Standard | A53 | | Classification of International Standard | 17.100 | | Word Count Estimation | 14,134 | | Older Standard (superseded by this standard) | JJG 927-1997 | | Adopted Standard | OIML R23, NEQ | | Regulation (derived from) | ?AQSIQ Announcement 2013 No. 85 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine | | Summary | This standard applies to the measurement limit of (0. 6 ~ 2. 5) MPa, measuring tire pressure gauge pointer and scale type (hereinafter referred to as the gauge) initial verification, follow-up test and use checks. | JJG 927-2013: Verification Regulation of Tyre Pressure Gauges---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.
Verification Regulation of Tyre Pressure Gauges
State verification procedures People's Republic of China
Tire pressure gauge
Issued on. 2013-06-27
2013-12-27 implementation
The State Administration of Quality Supervision, Inspection and Quarantine released
Tire pressure gauge test procedures
Replacing JJG 927-1997
Focal point. the National Technical Committee of pressure measurement
Drafting. Jiangsu Institute of Metrology
Const Beijing Science and Technology Co., Ltd.
Liaoning Provincial Institute of Metrology
The measurement procedure commissioned the National Technical Committee is responsible for interpreting pressure
The main drafters of this procedure.
Zhang Qiang (Jiangsu Province Institute of Metrology)
He Xin (Const Beijing Science and Technology Co., Ltd.)
Zhang Zijian (Liaoning Provincial Institute of Metrology)
Drafters participate.
Heng Shun Fat (Jiangsu Province Institute of Metrology)
He Yazhou (Jiangsu Province Institute of Metrology)
table of Contents
Introduction (Ⅱ)
1 Scope (1)
2 Overview (1)
3 units of measurement (1)
4 metering performance requirements (1)
4.1 Measurement limit and accuracy class (1)
4.2 indication error (1)
4.3 Indication variation amount (2)
5 General Requirements (2)
5.1 Appearance (2)
5.2 reset to zero mechanism (2)
6 Control of measuring instruments (2)
6.1 Verification condition (2)
6.2 Verification Project (3)
6.3 Verification Methods (3)
6.4 test results processing (4)
6.5 test cycle (4)
Appendix A tire pressure gauge calibration record format (5)
Appendix B tire pressure gauge calibration certificate/test results in the notice page format (6)
Introduction
JJF1002 "national verification procedures write rules", JJF1001 "common measurement terms and definitions"
JJF1059 "Evaluation and Expression of Uncertainty in Measurement" series together constitute the basic norms of the regulations revision.
This procedure combined with China's national conditions, the use of the International Organization of Legal Metrology (OIML) International Recommendation R23 "motor vehicle
Tire pressure gauge, "the part. This procedure is in JJG 927-1997 "tire pressure gauge" on the basis of reservations
Revision under the premise of effective content. This procedure compared with JJG 927-1997, in addition to editorial changes, the
The main technical changes are as follows.
--- Press JJF1002-2010 requirements, increasing the content of the Preamble;
--- Revised content in the range of the upper limit of the measuring range;
--- Improve the content of the overview;
--- Added "variation amount indication" in the measurement of the performance requirements;
--- Straighten out the order of test items and test methods;
--- Revised and improved tire pressure gauge tolerance of technical specifications;
--- The original test procedure Appendix recording format made the appropriate changes.
Tire pressure gauge test procedures
1 Scope
The order applies to the measurement limit of (0.6 ~ 2.5) MPa, measuring tire pressure gauge pointer and pressure
Table (hereinafter referred to as gauge) initial verification, subsequent verification and the use of checks.
2 Overview
Its structure gauge principle can be divided into two types. one Analog gauges, elastic sensing element in the instrument cluster
Elastic deformation under pressure generated by the rotation pointer mechanical transmission amplification mechanism in the sub-dial indicates the pressure
Value by the pressure gauge internal homing device, and can keep the cursor in the pressure indication position; the second is type pressure gauge
Gauge, ruler produced with the plunger to move under pressure, and stabilize at a certain position, by shifting the scale
Moving distance scale and the scale indicates a pressure value. Both types have a tire pressure gauge valve
Phase gas nozzle head connected.
Unit 3
Unit of measurement gauge is Pa (Pascal), or its decimal multiples units. kPa and MPa.
4 metering performance requirements
4.1 Measurement limit and accuracy class
The measurement limit gauge accuracy rating shall comply with the requirements in Table 1.
Table 1 Measurement limit and accuracy class
Type measurement limit/MPa accuracy class
Analog
0.6 1.0,1.6
1.0 1.6,2.5,4
1.6 1.6,2.5,4
2.5 1.6,2.5,4
Ruler of formula 4 2.5
4.2 Indication error
Gauge indication error in Table 2 should not exceed the maximum allowable error.
Table 2 Maximum permissible error
Accuracy Level
The maximum permissible error
The measurement limit (90 to 100)% the rest
1.0 ± 1.6% ± 1.0%
1.6 ± 2.5% ± 1.6%
2.5 ± 4.0% ± 2.5%
4.0 ± 4.0% ± 4.0%
Note. The maximum permissible error in the range of percentage calculations.
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