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JJG 34-2008

Chinese Standard: 'JJG 34-2008'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusRelated Standard
JJG 34-2008English459 Add to Cart Days<=4 Dial Gauges (dial and digital) Valid JJG 34-2008
JJG 34-2008Chinese18 Add to Cart <=1-day [PDF from Chinese Authority, or Standard Committee, or Publishing House]


Standard ID JJG 34-2008 (JJG34-2008)
Description (Translated English) Dial Gauges (dial and digital)
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A52
Classification of International Standard 17.040
Word Count Estimation 20,271
Date of Issue 2008-05-23
Date of Implementation 2008-11-23
Older Standard (superseded by this standard) JJG 34-1996
Quoted Standard JJF 1001-1998; JJF 1059-1999; GB/T 1219-2000; GB/T 18761-2007
Drafting Organization China Testing Technology Research Institute
Administrative Organization National Engineering geometric parameters measured Technical Committee
Regulation (derived from) ?AQSIQ Announcement 2008 No.72
Issuing agency(ies) State Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to new installations, the use and impact of radiation dose values ??accurate component repair after radiation sources for medical electron accelerators initial verification, follow-up tests and in-service inspection.

JJG 34-2008
Dial Gauges (dial and digital)
State verification procedures People's Republic of China
Indicators (Analog, digital display)
Posted 2008-05-23
2008-11-23 implementation
The State Administration of Quality Supervision, Inspection and Quarantine released
Indicators (Analog, digital display)
Verification Regulation
Gauges (dialanddigital
Replacing JJG 34-1996
The regulations by the State Administration of Quality Supervision, Inspection and Quarantine approved on May 23, 2008, and from
From November 23, 2008 into effect.
NFP. National Engineering Geometrical Parameters Measurement Technology Committee
Drafting units. China Testing Technology Research Institute
Jiangsu Province Institute of Metrology
Guangxi Institute of Metrology
Guilin Measuring & Cutting Tool Works
Dongfang Steam Turbine Works
This procedure works commissioned by the National geometric parameter measurement technology committee responsible for the interpretation
The main drafters of this procedure.
Chen Yongkang (China Testing Technology Research Institute)
Zhu crimson (Jiangsu Province Institute of Metrology)
Ran Qing (China Testing Technology Research Institute)
Full Yi-chi (Guangxi Institute of Metrology)
Zhao Weirong (Guilin Measuring & Cutting Tool Factory)
Drafters participate.
Li Jizhong (Dongfang Steam Turbine Factory)
table of Contents
1 Scope (1)
2. Referenced Documents (1)
3 Overview (1)
4 metering performance requirements (2)
4.1 pointer dial mutual position (2)
4.2 pointer at the end width and line width (2)
4.3 diameter sleeve (2)
4.4 probe measuring surface roughness of the surface (2)
Table 4.5 indicates the stroke (3)
Measuring force 4.6 (3)
4.7 Repeatability (3)
4.8 Effect of radial force measuring rod of indication (3)
4.9 Indication Error (4)
4.10 Return Error (4)
4.11 show drift (4)
5 General Requirements (5)
5.1 Appearance (5)
5.2 Interaction of each part (5)
6 Control of measuring instruments (5)
6.1 Verification of environmental conditions (5)
6.2 test items and test instruments (5)
6.3 Verification Methods (6)
7 test results processing (9)
8 test cycle (9)
Appendix A indicates a value representing the error measurement results Uncertainty Evaluation (10)
Appendix B indicator (indexing is 0.002mm) shows a data processing error and return error
Example (13)
Appendix C indicator (resolution of 0.001mm) shows a data processing error and return error
Example (14)
Appendix D calibration certificate and test results in the notice page format (15)
Indicators (Analog, Digital Display) test procedures
1 Scope
The order applies to indexing is 0.01mm, 0.002mm, the range of not more than 10mm pointer indicator;
Indexing is 0.001mm, the range of not more than 5mm pointer indicator; resolution of 0.01mm,
0.005mm, 0.001mm, the range of not more than 10mm initial verification of the number of explicit instruction sheet, and make follow-up test
With the test.
2 Citations
The regulations cited in the following documents.
JJF1001-1998 common measurement terms and definitions
JJF1059-1999 Evaluation and Expression of Uncertainty in Measurement
GB/T 1219-2000 Geometrical specification length measuring instruments. Indicators Design and metrological requirements
GB/T 18761-2007 Electronic Digital Indicator
When using this procedure, it should pay attention to using the currently valid version of the documents cited.
3 Overview
Analog indicator is the use of rack and pinion or gear lever and rotating the linear displacement of the spindle into a Pointer
Angular displacement measuring instruments; digital display indicator is the linear displacement measuring instruments measuring rod to digital display. Mainly used
To measure the size and shape of the position error and other parts of the common exterior structure shown in Figure 1 and Figure 2.
1 Analog indication of intentions
1 to Table body; 2- bezel; 3- pointer revolutions; 4- dial; 5- pointer; 6- sleeve; 7- spindle; 8- probe
Related standard:   JJF 034-2008  JJG 24-2016
Related PDF sample:   JJG 517-2016  JJF 1561-2016
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