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JJF 1304: Historical versions
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| JJF 1304-2011 | English | 329 |
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3 days [Need to translate]
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Calibration Specification for Gauge Block Comparators
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| JJF 1304-1990 | English | 239 |
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2 days [Need to translate]
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(0.6 to 1 GHz, 2-4 GHz coaxial phase shift reference operating technical specifications)
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Basic data
| Standard ID | JJF 1304-2011 (JJF1304-2011) |
| Description (Translated English) | Calibration Specification for Gauge Block Comparators |
| Sector / Industry | Metrology & Measurement Industry Standard |
| Classification of Chinese Standard | A52 |
| Classification of International Standard | 17.040 |
| Word Count Estimation | 14,130 |
| Date of Issue | 2011-07-28 |
| Date of Implementation | 2011-10-28 |
| Quoted Standard | JJG 101-2004; JJF 1001-1998; JJF 1059-1999; GB/T 6093-2001 |
| Regulation (derived from) | AQSIQ Announcement No. 118 of 2011 |
| Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine |
| Summary | This standard applies to vertical mode and comparing the measured amount of block length length variation of the calibration of gauge block comparator. |
JJF 1304-2011: Calibration Specification for Gauge Block Comparators
---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.
Calibration Specification for Gauge Block Comparators
People's Republic of China National Metrology Technical Specifications
Block comparator calibration specification
Issued on. 2011-07-28
2011-10-28 implementation
The State Administration of Quality Supervision, Inspection and Quarantine released
Block comparator calibration specification
GaugeBlockComp
arators
This specification by the State Administration of Quality Supervision, Inspection and Quarantine approved on July 28, 2011, and from
From October 28, 2011 into effect.
Focal point. the National Technical Committee of length measuring geometry
Drafting units. China Institute of Metrology
Shanxi measurement supervision and verification tests
This specification length measuring geometry by the National Technical Committee is responsible for interpretation
The main drafters of this specification.
Liuxiang Bin (China Institute of Metrology)
Yan Hao (Shanxi measurement supervision and verification tests)
Drafters participate.
Wuyue Yan (China Institute of Metrology)
Zhang Xudong (China Institute of Metrology)
table of Contents
1 Scope (1)
2. Referenced Documents (1)
3 Overview (1)
4 Metrological characteristics (1)
Workbench 4.1 (for single probe gauge block comparator) (1)
4.2 shows the range of values (2)
4.3 Indication error (2)
4.4 Measurement repeatability (2)
4.5 Drift (2)
Calibration Condition 5 (2)
5.1 environmental conditions (2)
5.2 Main standard equipment and ancillary equipment (2)
6 calibration items and calibration methods (2)
Workbench 6.1 (3)
6.2 shows the range of values (3)
6.3 Indication error (3)
6.4 Measurement repeatability (3)
6.5 Drift (3)
7 Calibration Results (3)
8 recalibration intervals (3)
Appendix A standard method of measuring the amount of block length difference and Uncertainty Evaluation (4)
Appendix B Twin probe gauge block comparator supplementary calibration method (6)
Appendix C Block Comparator Evaluation of Uncertainty about Indication Error (Example) (7)
Block comparator calibration specification
1 Scope
This instruction applies to vertical manner comparing the measured amount of block length and length change of gauge block comparator calibration.
2 Citations
This specification references the following documents.
JJG101-2004 contact interferometer
JJF 1001-1998 common measurement terms and definitions
JJF 1059-1999 Evaluation and Expression of Uncertainty in Measurement
GB/T 6093-2001 Geometrical product specifications (GPS) standard gauge block length
When using this specification it should be noted that using the currently valid version of the documents cited.
3 Overview
Block comparator compares the measured quantity is the block length measuring instruments. Block vertical placement mode.
Block comparator generally consists of machine body, one or two displacement sensors, monitors, controllers and other components. through
Through the displacement sensor in contact with the upper and lower gauge block measuring surface (or just in contact with the measuring surface, measured at the surface in contact with the fixed point)
Displacement occurs, you can block and the length of a standard amount of the difference between the measured block was measured. According displacement sensor
Different, divided into inductive, grating, laser type and other types.
1 Block diagram comparator structure diagram
1- displacement sensor; 2 - standard (reference) gauge block; 3- measured block; 4- instrument display
4 Metrological characteristics
Workbench 4.1 (for single probe gauge block comparator)
...
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