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GB/T 15151-2012General specification of frequency counter (English PDF)

频率计数器通用规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 31, 2012

Implementation date

June 1, 2013

Scope

GB/T 15151-2012 is the English-translated version of 频率计数器通用规范.

GB/T 15151-2012 is the Chinese standard "General specification of frequency counter". Its scope clause reads: This standard specifies the frequency counter of requirements, test methods, quality inspection rules.

This standard applies to all types of frequency counter, frequency counter is a common basis for product design, production, testing and inspection, as well as the development phase Frequency counter product standards should be based. Its clauses include terms and definitions; requirements.

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Document preview — GB/T 15151-2012

National Standard of the People's Republic of China

ICS: 17.220
Classification: L 86
Replacing: GB/T 15151.2-1994

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

Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 appearance and structure
4.2 Security
4.3 Environmental Adaptability
4.4 Packaging transport
4.5 Electromagnetic Compatibility
4.6 Power
4.7 Reliability
4.8 Size and Weight
4.9 Warm-up time
4.10 Digital Interface
4.11 Function
4.12 Performance
5.1 Appearance and structure
5.2 Safety Test
5.3 Environmental Adaptability Test
5.4 Transportation test
5.5 Electromagnetic compatibility test
5.6 Power Test
5.7 Reliability Test
5.8 Size and Weight
5.9 Warm-up Time Check
5.10 digital interface checks
5.11 Function test
5.12 Performance test
6 Quality Inspection Rule
6.1 Inspection classification
6.2 Test Item
6.3 Sampling and acceptance criteria
7 signs, packaging, storage
7.4 Storage

1 Scope

This standard specifies the frequency counter of requirements, test methods, quality inspection rules.

This standard applies to all types of frequency counter, frequency counter is a common basis for product design, production, testing and inspection, as well as the development phase

Frequency counter product standards should be based.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 191-2008 Packaging - Pictorial signs

GB/T 6587-2012 General specification for electronic measuring instruments

GB/T 11464-1989 Electronic Measuring Instruments terms

GB/T 12274-1990 General specification quartz crystal oscillators (for certification)

SJ/T 10638-1995 quartz oscillator test methods

3 Terms and Definitions

GB/T 11464-1989 and GB/T 12274-1990 and as defined in the following terms and definitions for use in the present document.

3.1 Frequency counter

One kind of electronic learning methods to measure signal frequency and can display the measurement results of the instrument, including universal frequency counter, microwave frequency counter

Number and pulse frequency counters.

3.2 Traditional way conventionalmode

Frequency counter measurement gate signal and the internal time base synchronization signal a phase measurement.

3.3 Countdown mode reciprocalmode

Way of measuring frequency counter measurement gate signal and external input signal synchronization.

3.4 Minimum (bits) significant figures leastsignificantdigit; LSD

Frequency counter shows the lowest (bit) unit value of significant figures.

3.5 Trigger error

Frequency counter work, due to noise, the trigger level jitter caused by measurement error.

4 Requirements

4.1 Appearance and structure

Frequency counter product surface should be smooth, no glitches, no obvious mechanical damage and damage to the phenomenon of the coating, the structure should be complete.

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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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Editions of GB/T 15151

Edition	Title	Revision	Status
GB/T 15151-2012	General specification of frequency counter	current edition	Current
GB/T 15151.2-1994	General specification of frequency counter	previous edition	Superseded

This page sells the current edition, GB/T 15151-2012. Earlier editions are listed for reference only.

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