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GB/T 21388-2008: Vernier, dial and digital display depth calipers
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 21388-2008 | English | 369 |
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Vernier, dial and digital display depth calipers
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GB/T 21388-2008
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Basic data | Standard ID | GB/T 21388-2008 (GB/T21388-2008) | | Description (Translated English) | Vernier, dial and digital display depth calipers | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J42 | | Classification of International Standard | 17.040.30 | | Word Count Estimation | 16,136 | | Date of Issue | 2008-02-02 | | Date of Implementation | 2008-07-01 | | Older Standard (superseded by this standard) | GB/T 1214.4-1996; GB/T 1214.1-1996 | | Quoted Standard | GB/T 2423.3-1993; GB/T 2423.22-2002; GB 4208-1993; GB/T 17163; GB/T 17164; GB/T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 depth vernier caliper, terms and definitions depth caliper depth caliper with digital display 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 100) mm to (0 ~ 1000) vernier caliper mm in depth, depth caliper with several tables significant depth caliper. | GB/T 21388-2008: Vernier, dial and digital display depth 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 depth callipers
ICS 17.040.30
J42
National Standards of People's Republic of China
Replacing GB/T 1214.1-1996, GB/T 1214.4-1996
Cursor, with table and digital display depth caliper
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 1214.4-1996 "vernier caliper category
Depth vernier calipers, "and JB/T 5608-1991" electronic digital depth caliper "three standard integration amendment.
This standard replaces GB/T 1214.1-1996 "vernier caliper category General technical conditions", GB/T 1214.4-1996 "vernier caliper category
Depth vernier caliper. "
From the date of implementation of this standard, JB/T 5608-1991 "electronic digital depth caliper" void.
This standard is compared with the above three criteria, the main changes are as follows.
--- Increasing the depth calipers with table varieties;
--- Extended depth caliper 1) measurement range and form (GB/T 1214.4-1996 Chapter 1, Chapter 3, JB/T 5608-1991
Chapter 1, Section 4;, Chapter 4 standard Chapter 1);
1) The standard term "Depth Gauges" means "vernier caliper depth" "depth calipers with table", "Digital Depth caliper" three collectively.
--- Use the "scale value" and "resolution" instead of the term "reading value" and "resolution" Terminology (GB/T 1214.1-1996 Chapter 1,
JB/T 5608-1991 Chapter 1; Chapter 1 of this standard);
--- Deleted "error between any two points," the definition of the terms and requirements (JB/T 5608-1991 3.2 and 5.7);
--- Redefined depth caliper with measuring jaws form a schematic diagram (GB/T 1214.4-1996 Figure 2, JB/T 5608-1991
The 4.1Ⅱ type; this standard Figs. 2 and 3);
--- Use the "scale marks" instead of the term "reticle of ruler" and "Cursor engraved lines" and other terms, and the introduction of "zero error" term
(GB/T 1214.1-1996 of 3.6, 3.7; this standard 5.5,5.6,5.7);
--- GB 1215-1975, GB 1215-1987.
Cursor, with table and digital display depth caliper
1 Scope
This standard specifies the depth vernier caliper, with terms and definitions Table depth caliper digital display depth caliper, the form and the basic parameters, requirements,
Test methods, test conditions, test methods, marking and packaging.
This standard applies to the division value/resolution of 0.01mm, 0.02mm, 0.05mm and 0.10mm, measuring range (0 ~
100) mm to (0 ~ 1000) mm depth vernier caliper with digital display meter depth calipers Depth calipers (hereinafter referred to as "depth 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. Temperature change
(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
Using mechanical transmission, the foot frame measure body surface and the ruler measuring surface (or measuring the depth of measuring surface paw) into the relative movement of the pointer
Rotary motion, and with the main scale and the circular scale readings of measuring instruments for its relative movement separated by distance.
3.2
Digital Depth caliper when the normal display value, one-foot frame relative to the maximum moving speed foot body.
3.3
The technical specifications, rules for error limits specified depth caliper.
Note. The tolerance limit can not be less than the digital differential (resolution) or vernier scale interval.
4 form and basic parameters
Depth Gauges of form 4.1 to 3, as shown in Figure 1. Illustration illustration purposes only and does not indicate a detailed structure.
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