BAIJIAN - Third party testing organization
This standard specifies the terms and definitions、 grades and basic parameters、 requirements、 test methods、 inspection rules、 marking、 packaging、 transportation、 and storage of optical theodolites. The wood standard is applicable to DJe;、 DJ、 DJ: · DJs · DJs optical theodolites (hereinafter referred to as instruments)、 other types of theodolites can also be used as reference. 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 2828.1 Sampling Procedures for Inspection by Attributes: Part 1: Sampling Plans for Batch Inspection Retrieved by Acceptance Quality Limit (AQL) GB/T 2829 Sampling Procedures and Tables for Periodic Inspection by Attributes (Applicable to Inspection of Process Stability) GB/T 13384 General Technical Conditions for Packaging of Mechanical and Electrical Products GB/T 25480 Transportation of Instruments and Meters Basic environmental conditions and testing methods for storage JB/T 9316: Dimensions for the forced center mechanism of geodetic instruments JB/T 9328: Resolution plate JB/T 9332: Connection between geodetic instruments and tripod JB/T 9336: Dividing plate JB/T 9337: Tripod 3: Terms and definitions. The following terms and definitions apply to this document. 3.1 Index error of vertical circle The difference between the reading of the vertical circle and the specified value when the instrument is in its normal working position and the visual axis is horizontal. 3.2 Standard deviation of horizontal direction in an observation set The standard deviation of horizontal direction in an observation set is calculated to be the standard deviation of the direction value in a measurement set. 3.3 Standard deviation of vertical angle in an observation set for several targets. The standard deviation of vertical angle in an observation set is calculated to the standard deviation of a vertical right angle in one measurement set
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