BAIJIAN - Third party testing organization
This standard specifies the terms and definitions、 types、 basic dimensions、 accuracy grading and marking、 requirements、 test methods、 inspection rules、 marking、 packaging、 transportation、 and storage of level rulers. This standard is applicable to level gauges for civil construction、 decoration、 mechanical installation、 and other purposes.
2 Normative reference documents
The following documents are essential for the application of this document. For dated reference documents、 only the dated version applies to this document. For undated references、 the new version (including all modification orders) applies to this document. GB/T 1184 Tolerances on Form and Position (GB/T 1184-1996、 ISO 2768-2:1989、 MOD) GB/T 1720 Method for Determination of Adhesion of Paint Films GB/T 2828.1 Sampling Procedures for Inspection by Attributes Part 1: Sampling Plan for Batch Inspection Retrieved by Acceptance Quality Limit (AQL) (GB/T 2828.1-2012、 ISO 2859-1:1999、 IDT) GB/T 5305 Packaging、 Marking、 Transportation、 and Storage of Hand Tools GB/T 6060.2 Surface Roughness Comparison Sample Block Grinding、 Turning、 Boring、 Milling Insert and plane machined surfaces (GB/T 6060.2-2006、 ISO2632-1:1985、 MOD) GB/T 6739 Paints and Varnishes、 Determination of Film Hardness by the Pencil Method (GB/T 6739-2006、 ISO 15184:1998、 IDT) GB/T6892 General Industrial Aluminum and Aluminum Alloy Extruded Shapes GB/T12672 Acrylonitrile butadiene styrene (ABS) Resin 3 Terms and Definitions The following terms and definitions apply to this document. 3.1 Spirit level is a measuring tool that uses the principle of liquid level to directly display angular displacement and the deviation degree of the relative horizontal position、 vertical position、 and tilt position of the measured surface using a level bubble. 3.2 Zero error The deviation error between the center of the level bubble and the symmetrical center of the left and right marking lines of the level bubble when the level ruler is placed in the standard horizontal state. 3.3 Accuracy: When the level ruler is placed at the specified horizontal inclination angle、 the axial movement of the level bubble and the inclination angle when the bubble center coincides with the symmetrical center of the left and right marking lines
Baijian is committed to providing convenient and efficient testing services for enterprises and individuals、 simplifying testing processes、 improving the efficiency of testing services、 using Internet plus testing e-commerce to provide customers with diversified choices、 fundamentally reducing testing costs、 improving time efficiency、 breaking industry limitations and bottlenecks、 and creating an innovative testing platform in the industry. If you need it、 please contact 18501763637
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