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GB/T 21389-2008: Vernier, dial and digital display calipers
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| GB/T 21389-2008 | English | 439 |
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Vernier, dial and digital display calipers
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GB/T 21389-2008
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Basic data | Standard ID | GB/T 21389-2008 (GB/T21389-2008) | | Description (Translated English) | Vernier, dial and digital display calipers | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J42 | | Classification of International Standard | 17.040.30 | | Word Count Estimation | 19,183 | | Date of Issue | 2008-02-02 | | Date of Implementation | 2008-07-01 | | Older Standard (superseded by this standard) | GB/T 1214.1-1996; GB/T 1214.2-1996; GB/T 14899-1994; GB/T 6317-1993 | | Quoted Standard | GB/T 2423.3-1993; GB/T 2423.22-2002; GB 4208-1993; GB/T 17163; GB/T 17164; GB/T 17626.2-1998; GB/T 17626.3-1998 | | Regulation (derived from) | National Standard Approval Announcement 2008 No.2 (Total No.115) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the vernier caliper, Caliper Caliper several terms and definitions with table, forms and basic parameters, requirements, test methods, inspection conditions, test methods, signs and other packaging. This standard applies to indexing value/resolution of 0. 01 mm, 0. 02 mm, 0. 05 mm and 0. 10 mm, measuring range (0 to 70) mm to (0 ~ 4000) mm caliper, dial calipers and digital calipers. | GB/T 21389-2008: Vernier, dial and digital display calipers---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.
Vernier, dial and digital display calipers
ICS 17.040.30
J42
National Standards of People's Republic of China
Replacing GB/T 1214.1-1996, GB/T 1214.2-1996, GB/T 6317-1993, GB/T 14899-1994
Cursor, with table and digital calipers
Posted 2008-02-02
2008-07-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard is GB/T 1214.1-1996 "vernier caliper category General technical conditions", GB/T 1214.2-1996 "Cursor class card
Vernier caliper ", GB/T 6317-1993" Dial Caliper ", GB/T 14899-1994" Electronic Digital Caliper "and JB/T 8370-
Revised 1996 integration "vernier caliper vernier caliper type (measurement range of 0mm ~ 1500mm, 0mm ~ 2000mm)" 5 criteria
Clause.
This standard replaces GB/T 1214.1-1996 "vernier caliper category General technical conditions", GB/T 1214.2-1996 "vernier caliper category
Vernier caliper ", GB/T 6317-1993" Dial Caliper ", GB/T 14899-1994" Electronic digital calipers. "
From the date of implementation of this standard, JB/T 8370-1996 "category vernier caliper vernier caliper (measuring range 0mm ~ 1500mm,
0mm ~ 2000mm) "abolished.
This standard is compared to the above five criteria, the main changes are as follows.
--- Extended caliper 1) measuring range and form, follow the principle of increasing the caliper structure of the basic parameters, modify the basic structure of the caliper
Recommended values \u200b\u200bof the parameters (GB/T 1214.2-1996 Chapter 1, Section 3; GB/T 6317-1993 of Chapter 1, Section 3;
GB/T 14899-1994 Chapter 1, Chapter 4; JB/T 8370-1996 Chapter 1, Section 3; Chapter 1 of this standard,
Chapter 4);
--- Use the "scale value" and "resolution" instead of the term "reading value" and "resolution" Terminology (GB/T 1214.1-1996 Chapter 1;
GB/T 14899-1994 Chapter 1; The standard Chapter 1, Table 4, etc.);
--- Remove the "dial calipers," "measured" and "variability indication", "electronic digital calipers" and "resolution" as used herein is defined
(GB/T 6317-1993 of Chapter 3; GB/T Cap 314899-1994's);
(0 ~ 70) mm to (0 ~ 4000) mm vernier caliper, with Dial Caliper Caliper sum (hereinafter referred to as "caliper").
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 2423.3-1993 electric and electronic products environmental testing procedures Test Ca. Damp heat test method (eqv IEC
60068-2-3. 1984)
GB/T 2423.22-2002 Environmental testing for electric and electronic products Part 2. Test methods - Test N. change in temperature (IEC
60068-2-14. 1984, IDT)
GB 4208-1993 housing protection (IP Code) (eqv IEC 529. 1989)
GB/T 17163 dimensional measuring instruments - Basic terminology
GB/T 17164 dimensional measuring instruments - Product terms
GB/T 17626.2-1998 Electromagnetic compatibility - Testing and measurement techniques - Electrostatic discharge immunity test (idt IEC 61000-4-2.
1995)
GB/T 17626.3-1998 Electromagnetic compatibility - Testing and measurement techniques RFEMS test (idt IEC
61000-4-3.1995)
3 Terms and Definitions
GB/T 17163, GB/T 17164 and established in the following terms and definitions apply to this standard.
3.1
Digital Caliper display during normal value, relative to the foot foot box body maximum speed.
3.2
The technical specifications, rules on the limits specified error calipers.
Note. The tolerance limit can not be less than the digital differential (resolution) or vernier scale interval.
4 form and basic parameters
In the form shown in Figure 4.1 Caliper 1 to 5. Illustration illustration purposes only and does not indicate a detailed structure.
4.2 upper limit of measurement range is greater than 200mm caliper should have micro-devices.
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