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GB/T 48052-2026Automatic standard pressure generators (English PDF)

自动标准压力发生器

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

July 30, 2026

Implementation date

February 1, 2027

Scope

GB/T 48052-2026 is the English-translated version of 自动标准压力发生器.

GB/T 48052-2026 is the Chinese standard "Automatic standard pressure generators". Its scope clause reads: This document specifies the product classification, requirements, inspection rules, marking, packaging, and storage requirements for automatic standard pressure generators, and describes...

The corresponding experimental methods. This document applies to the production, acceptance, and use of automatic standard pressure generators (hereinafter referred to as "pressure generators"). Its clauses include terms and definitions.

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Document preview — GB/T 48052-2026

National Standard of the People's Republic of China

ICS: 17.100
Classification: N 11

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4 Product Categories
5 Requirements
5.1 Working Conditions
5.2 Output pressure range
5.3 Basic Error
5.4 Hysteresis
5.6 Zero Drift
5.7 Indicated Value Fluctuation
5.8 Measurement Stability
5.9 Alternating Load
5.10 Overload
5.11 Sealing performance
5.12 Controlling Stability
5.13 Pressure control over-adjustment (reverse adjustment)
5.14 Controlling Response Time
5.15 Insulation performance
5.16 Temperature Effects
5.17 Power Supply Voltage Variation
5.18 Influence of External Magnetic Fields and Power Supply Distortion
5.19 Resistance to vibration in the working environment
5.20 Resistance to transportation environment
5.21 Additional Functions of the Multifunctional Pressure Generator
5.22 Appearance
6.Test Methods 7.
6.1 Test conditions and requirements
6.3 Basic Error
6.4 Hysteresis
6.5 Repeatability
6.6 Zero Drift
6.7 Indicated Value Fluctuation
6.8 Measurement stability
6.9 Alternating load
6.10 Overload
6.11 Sealing performance
6.12 Control Stability
6.13 Pressure control over-adjustment amount
6.14 Control response time
6.15 Insulation performance
6.16 Temperature Effects
6.17 Power supply voltage variation
6.18 Influence of external magnetic fields and power supply distortion
6.19 Resistance to vibration in the working environment
6.20 Resistance to transport environment
6.21 Additional Functions of the Multifunctional Pressure Generator
7.Inspection Rule
7.1 Factory Inspection
7.2 Type Testing
8.Marking, Packaging and Storage
8.1 Mark
8.2 Packaging
8.3 Storage

1 Scope

This document specifies the product classification, requirements, inspection rules, marking, packaging, and storage requirements for automatic standard pressure generators, and describes...

The corresponding experimental methods.

This document applies to the production, acceptance, and use of automatic standard pressure generators (hereinafter referred to as "pressure generators").

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 13384 General Technical Requirements for Packaging of Mechanical and Electrical Products

GB/T 17214.3-2000 Operating conditions of measuring and control devices for industrial processes – Part 3.Mechanical influences

GB/T 25480 Basic environmental conditions and test methods for the transportation and storage of instruments and meters

GB/T 29247-2012 General Test Methods for Industrial Automation Instruments

GB/T 32204-2015 Industrial Process Calibrators

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1

3.2 finiteboundary region

The pressure generator output pressure is based on the target pressure value, and the allowable maximum and minimum values fluctuate randomly over time.

The area.

3.3 control stability

The ability of a pressure generator to maintain its output pressure within a finite boundary region during the target pressure stabilization period.

3.4 steady state

The output pressure of the pressure generator is continuously maintained within a finite boundary region.

Note. Unless otherwise specified by the manufacturer, the state is to remain within the finite boundary area for 10 consecutive seconds.

3.5

The pressure generator controls the pressure rise to the maximum extent that it exceeds the target pressure value.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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