GB/T 21388-2008Vernier, dial and digital display depth callipers (English PDF)
游标、带表和数显深度卡尺
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
February 2, 2008
Implementation date
July 1, 2008
Scope
GB/T 21388-2008 is the English-translated version of 游标、带表和数显深度卡尺.
GB/T 21388-2008 is the Chinese standard "Vernier, dial and digital display depth callipers".
Its scope clause reads: 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"). Its clauses include terms and definitions; form and basic parameters.
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Document preview — GB/T 21388-2008
National Standard of the People's Republic of China
- ICS
- 17.040.30
- Classification
- J 42
- Replacing
- GB/T 1214.4-1996
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 form and basic parameters
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.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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Editions of GB/T 21388
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 21388-2008 | Vernier, dial and digital display depth callipers | current edition | Current |
| GB/T 1214.4-1996 | Vernier, dial and digital display depth callipers | previous edition | Superseded |
This page sells the current edition, GB/T 21388-2008. Earlier editions are listed for reference only.
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