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JJF 1189-2008

JJF 1189-2008_English: PDF (JJF1189-2008)
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JJF 1189-2008English329 Add to Cart 3 days Calibration Specification for Length Measuring Instrument JJF 1189-2008 Valid JJF 1189-2008

BASIC DATA
Standard ID JJF 1189-2008 (JJF1189-2008)
Description (Translated English) Calibration Specification for Length Measuring Instrument
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A52
Classification of International Standard 17.040
Word Count Estimation 14,170
Date of Issue 2008-03-24
Date of Implementation 2008-06-24
Older Standard (superseded by this standard) JJG 55-1984
Quoted Standard JJF 1001; JJF 1059; JJF 1094
Drafting Organization Jiangsu Province Institute of Metrology
Administrative Organization National Engineering Measurement Technical Committee of Geometrical parameters
Regulation (derived from) AQSIQ Announcement No. 35 of 2008
Issuing agency(ies) State Administration of Quality Supervision, Inspection and Quarantine
Summary This standard specifies the communication tunable laser source (hereinafter referred to as a tunable source) common metrological characteristics, calibration methods and equipment used in the calibration requirements, etc., for the first time tunable source calibration, calibration and use in subsequent tests. Other similar tunable source calibration can be implemented by reference. Tunable source type evaluation requirements relating to metrological characteristics, can refer to this specification.

JJF 1189-2008
Calibration Specification for Length Measuring Instrument
People's Republic of China National Metrology Technical Specifications
Length measuring instrument calibration specification
Posted 2008-03-24
2008-06-24 implementation
The State Administration of Quality Supervision, Inspection and Quarantine released
Length measuring instrument calibration specification
LengthMeasuring
Instrument
Instead of JJG55-1984
This specification by the State Administration of Quality Supervision, Inspection and Quarantine approved on March 24, 2008, and from
From June 24, 2008 into effect.
Focal point. the National Technical Committee of length measuring geometry
Main drafting unit. Jiangsu Province Institute of Metrology
China Institute of Metrology
This specification length measuring geometry commissioned the National Technical Committee is responsible for interpretation
The main drafters of this specification.
ROADS (Jiangsu Province Institute of Metrology)
Goal Orientation (Jiangsu Province Institute of Metrology)
Wang farming (China Institute of Metrology)
Drafters participate.
Hu Qing (Guiyang Xintian Optoelectronics Technology Co., Ltd.)
table of Contents
1 Scope (1)
2. Referenced Documents (1)
3 Overview (1)
4 Metrological characteristics (1)
4.1 flat cap and measured flatness vertical length measuring instrument fixed table (1)
4.2 Indication variability (1)
4.3 indication error (1)
4.4 measurement repeatability (1)
4.5 measured dimension indication error (1)
5 calibration conditions (1)
5.1 Environmental conditions (1)
5.2 Main standard equipment and ancillary equipment (1)
Calibration Method 6 (2)
6.1 measurement plane caps, fixed table flatness (2)
6.2 Indication variability (3)
6.3 Indication error (3)
6.4 Measurement repeatability (4)
6.5 measured dimension indication error (4)
7 Calibration Results (4)
8 Recalibration interval (5)
Appendix A Evaluation of Uncertainty in Measurement (Example) (6)
Appendix B Typical length measuring instrument main technical parameters (8)
Appendix C shows the range of values > is 1100mm auxiliary calibration method (9)
Length measuring instrument calibration specification
1 Scope
This standard applies to the length measuring instrument calibration.
2 Citations
This specification references the following documents.
JJF 1001-1998 common measurement terms and definitions
JJF 1059-1999 Evaluation and Expression of Uncertainty in Measurement
JJF 1094-2002 measuring instrument characteristics evaluation
When using this specification the calibration should be noted that using the currently valid version of the documents cited.
3 Overview
Length measuring instrument is an optical mechanical or electromechanical combination of length measuring instruments, structure is divided into horizontal and vertical length measuring instrument
Type length measuring instrument.
Length measuring instrument by the base, seat and measuring measuring axis, tailstock, table, length of the standard device (scale or grating) and
Readings or display device component. Length measuring instrument used to cover the entire range, continuous scale length of the standard device.
Length measuring instrument measured by direct measurement or comparison of the measured gauge block, measuring tools, smooth gauge, thread gauge and fine
Parts of machinery and length dimensions.
4 Metrological characteristics
4.1 Flatness measurement plane caps and vertical length measuring instrument fixed table
4.2 Indication variability
4.2.1 Indication variability measured using a flat cap when
4.2.2 Indication variability measurement using a spherical cap when
4.3 Indication error
4.4 Measurement repeatability
4.5 measured dimension indication error
5 calibration conditions
5.1 Environmental conditions
Ambient temperature is generally controlled within (20 ± 3) ℃, or in accordance with the technical requirements of the relevant provisions.
5.2 Main standard equipment and ancillary equipment (see Table 1)