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JJG 573-2003 English PDF

US$559.00 · In stock
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JJG 573-2003: Verification Regulation of Capsule Pressure Gauges
Status: Obsolete

JJG 573: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJG 573-2003	English	559	Add to Cart	4 days [Need to translate]	Verification Regulation of Capsule Pressure Gauges	Obsolete	JJG 573-2003
JJG 573-1988	English	239	Add to Cart	2 days [Need to translate]	Verification Regulation of Capsule Pressure Gauges	Obsolete	JJG 573-1988

PDF similar to JJG 573-2003

Standard similar to JJG 573-2003

GB/T 36126 JJG 577 GB/T 1885 JJG 564 JJG 567

Basic data

Standard ID	JJG 573-2003 (JJG573-2003)
Description (Translated English)	Verification Regulation of Capsule Pressure Gauges
Sector / Industry	Metrology & Measurement Industry Standard
Classification of Chinese Standard	A53
Word Count Estimation	14,147
Date of Issue	2003-05-12
Date of Implementation	2003-11-12
Older Standard (superseded by this standard)	JJG 573-1988
Regulation (derived from)	AQSIQ Announcement No. 85 of 2013
Issuing agency(ies)	State Administration of Quality Supervision, Inspection and Quarantine

JJG 573-2003: Verification Regulation of Capsule 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 Capsule Pressure Gauges National Metrology Verification Regulations of the People's Republic Membrane pressure gauge Released on.2003-05-12 Implementation of.2003-11-12 The General Administration of Quality Supervision, Inspection and Quarantine issued Replace JJG 573-1988 This regulation was approved by the General Administration of Quality Supervision, Inspection and Quarantine on May 12,.2003, and Implemented on November 12,.2003. Focal Point. National Pressure Measurement Technical Committee Main drafting unit. Shanghai Institute of Metrology and Testing Technology Shaanxi Institute of Metrology and Testing This regulation entrusts the National Pressure Measurement Technical Committee to explain The main drafters of this procedure. Dai Xiaohua (Shanghai Institute of Metrology and Testing Technology) Wang Hongyan (Shaanxi Institute of Metrology and Testing)

1 Scope (1) 2 Overview (1) 3 Metrological performance requirements (1) 3.1 Accuracy level and maximum allowable error of the meter (1) 3.2 Zero error (1) 3.3 indication error (1) 3.4 Backhaul error (1) 3.5 Tap displacement (1) 3.6 Pointer deflection stability (2) 3.7 Other requirements (2) 4 General technical requirements (2) 4.1 Shape (2) 4.2 signs (2) 4.3 Reading section (2) 4.4 Measuring the upper limit value (2) 4.5 division value (3) 5 measuring instrument control (3) 5.1 Verification conditions (3) 5.2 Verification project (3) 5.3 Verification method (4) 5.4 Verification result processing (6) 5.5 Verification cycle (6) Appendix A Membrane Box (Electrical Contact) Pressure Gauge Verification Record Form (7) Appendix B Membrane Pressure Gauge Certificate (Inside) Format (8) Appendix C Membrane Pressure Gauge Calibration Result Notification (inside page) format (9) Membrane pressure gauge verification procedure

1 Scope

This procedure applies to bellows pressure gauges, vacuum gauges and pressure vacuum gauges, and with relay contact outputs and First-time verification and subsequent verification of the bellows pressure gauge, vacuum gauge and pressure vacuum gauge (hereinafter referred to as the instrument) controlled by the position type And in-use inspection.

2 Overview

The meter is mainly used for micro pressure measurement of gas medium, and can also perform two-position adjustment (single limit alarm) or three-position adjustment. (Double limit alarm). The working principle of the bellows pressure gauge is that under the pressure of the gas medium to be tested, the bellows is elastically deformed, and the bellows is The free end generates a displacement, and the pull rod drives the transmission mechanism to deflect the pointer shaft, and the pointer indicates the amount of pressure on the scale scale value. Membrane pressure gauges are generally divided into horizontal rectangles, vertical rectangles, and circles.

3 Metrological performance requirements

3.1 Instrument accuracy level and maximum allowable error The accuracy level and maximum allowable error of the meter and their relationship are shown in Table 1. Table 1 level of accuracy Maximum allowable error (calculated as a percentage of range) More than 90% of the measurement range (0~90)% of the measurement range 1.6 ±1.6 ±2.5 2.5 ±2.5 ±4 4 ±4 ±4 3.2 Zero error When the inside of the bellows of the meter is open to the atmosphere. a) The position of the pointer of the rectangular meter deviating from the zero-division line shall not be greater than the absolute value of the allowable error limit of the meter. b) The pointer of the circular pressure gauge and the vacuum gauge should be close to the stop pin and press the zero-division line, the finger of the circular pressure vacuum gauge The needle should be inside the zero index line. 3.3 indication error Within the measurement range, the instrument indicates that the value error should not exceed the allowable error limit specified in Table 1. 3.4 Return error Within the measurement range, the return error of the meter shall not exceed the absolute value of the allowable error limit specified in Table 1. 3.5 tapping displacement

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