BAIJIAN - Third party testing organization
This standard specifies the terms and definitions、 types and basic parameters、 technical requirements、 test methods、 inspection conditions、 inspection methods、 markings、 and packaging of electronic digital display indicators. This standard is applicable to electronic digital indicator meters with a resolution of 0.01 mm、 an upper limit of measurement range of 100 mm、 a resolution of 0.005 mm、 an upper limit of measurement range of 5o mm、 a resolution of 0.001 mrm、 and an upper limit of measurement range of 30 mn. 2 Normative References: The clauses in the following documents become the clauses of this standard through the reference surface of this standard. For dated reference documents、 all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However、 all parties who have reached agreements based on this standard are encouraged to study whether new versions of these documents can be used. For undated reference documents、 the new versions are applicable to this standard. GB/T 2423.3-1993 Basic Environmental Testing Procedures for Electrical and Electronic Products、 Test Ca; Constant Damp Heat Test Method (eqv IEC60068-2-3: 1984) GB/T 2423.22-2002 Environmental Testing of Electrical and Electronic Products - Part 2: Test Methods: Test N: Temperature Change (IEC 60068-2-14; 1984) Basic Environmental Testing Procedures Part 2Tests - Test N-Change of tem property. 1DT GB 4208-1993 Degrees of Protection Provided by Enclosures (IP Code) (eqv 1EC 529; 1989) GB/T 17163 Terminology of Geometric Measurement Instruments Basic Terminology GB/T 17164 Terminology of Geometric Measurement Instruments Product Terminology GB/T 17626.2-1998 Electromagnetic Compatibility、 Testing and Measurement Techniques Electrostatic Discharge Immunity Test (idt TEC 61000-4-2:1995) GB/T 17626.3-1998 Electromagnetic Compatibility、 Testing and Measurement Techniques、 Radio Frequency Electromagnetic Field Radiation Immunity Test (idt IEC 61000-4-31995) 3 Terminology and Definitions GB/T 17163、 The terms and definitions established in GB/T 17164 and the following apply to this standard. 3.1 Free Position The position of the electronic digital indicator rod when it is in a free state. 3.2 The difference between the upper and lower limit values of the measuring rod movement range of the travel electronic digital display indicator. 3.3 Floating Zero Electronic Digital Display Indicator Set the zero position at any position within the measurement range -3.4 Response speed When the electronic digital display indicator can display numerical values normally、 the measurement rod moves at a maximum speed
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific、 fair、 and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsinspection and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered、 meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing、 with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle、 low cost、 and attentive service 7. Possess authoritative qualifications such as CMA、 CNAS、 CAL、 etc 8. The testing report is authoritative and effective、 and is generally used in China