BAIJIAN - Third party testing organization
This standard specifies the terms and definitions、 types and basic parameters、 requirements、 inspection methods、 test methods、 markings、 and packaging of electronic digital display external micrometers. This standard is applicable to electronic digital display external micrometers with a resolution of 0.001 mm、 a range less than or equal to 50 mm、 and a measurement range of up to 1000 mm (hereinafter referred to as "electronic digital display micrometers"). The following normative references are essential for the application of this document. For dated references、 only the dated version applies to this document. For undated references、 the new version (including all modification orders) applies to this document. GB/T 1216-2018 Outside Micrometer GB/T 2423.3-2016 Environmental Testing Part 2: Test Method Dun Test Cab: Constant Damp Heat Test GB/T 2423.22-2012 Environmental Testing Part 2; Test method Test N; Temperature Change GB/T4208-2017 Degrees of Protection Provided by Enclosures (P-code) GB/T 1800、2-2009 Geometrical Product Specifications (GPS) * Limits and Coordination、 Part 2; Standard tolerance levels and holes Axis * Limit Deviation Table GB/T 17163-2008 Basic Terminology of Geometric Measurement Instruments GB/T 17164-2008 Terminology of Geometric Measurement Instruments GB/T 17626.2-2006 Electromagnetic Compatibility Testing and Measurement Techniques、 Electrostatic Discharge Immunity Testing GB/T 17626.3-2016 Electromagnetic Compatibility Testing and Measurement Techniques、 Radiated Electromagnetic Field Immunity Testing GB/T 24634-2009 Geometric Product Specifications (GPS) General concepts and requirements for GPS measurement equipment - Terminology and definitions defined in GB/T 17163-2008、 GB/T 17164-2008、 and GB/T 24634-2009、 as well as the following terms and definitions、 apply to this document. 3.1 Electronic digital indicating devices for micrometers Electronic digital indicating devices for micrometers use sensors、 electronic、 and digital display technology to calculate and display the displacement of the micrometer's measuring screw. Note: hereinafter referred to as "electronic digital display device". 3.2 Electronic digital display external micrometer with electronic digital display is an external dimension measuring instrument that uses an electronic digital display device to measure and read the distance between two measuring surfaces on the ruler frame. Note: Rewrite GB/T 17164-2008、 definition 2.3.5
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1. Telephone communication and confirmation of requirements
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