List of relevant testing items of 100 inspectionsThird-party testing institutions support sample sending and door-to-door testing, mainly providing sample testing services for companies, enterprises, public institutions, individual businesses, and university scientific research, and reporting CMA/CNAS/CAL qualifications, which are true and effective.
Sample size: according to the size of the sample to choose the sample or door-to-door
display style: electronic
version of the detection cycle: 3-15 working days (expedited).
Trolley speakers have simple pulleys and pull rods that are very convenient to drag. Nowadays, many trolley speakers support convenient Bluetooth wireless connection function. Before the trolley speakers can be launched for sale, a product quality inspection report needs to be processed, and it is also necessary to go to JD Tmall and Taobao Mall
Audio/small speaker inspection report. The content of product inspection in AV audio and video includes: appearance dimensions, working parameters, marking and description inspection, temperature rise, grounding resistance, leakage current, dielectric strength, fault testing, impact testing, etc
The sound system generally includes:1. Sound source equipment: (listed as: DVD, CD, MP3, MP4, computer, mobile phone, microphone and other sound source output devices)
2. Sound signal dynamic processing equipment (pressure limiter, effector, mixer, audio processor, equalizer and other sound signal processing equipment)
3 Audio signal amplification equipment (analog power amplifiers such as front-end power amplifiers, back-end power amplifiers, digital power amplifiers, etc.)
4. Sound restoration equipment (full frequency speakers, ceiling speakers, sound columns, linear array speakers, array speakers, tweeters, low pitched guns, etc.). The development history of technology can be divided into four stages: electronic tubes, transistors, integrated circuits, and field-effect transistors
The process of processing quality inspection reports for audio systems is:1. Determine which aspect of the quality inspection report to process, select samples for testing
2. Determine the items to be tested,
3. Prepare relevant materials and documents for testing
The Hundred Inspection Platform is committed to providing convenient testing services for enterprises and individuals.. Simplify the testing process, improve the efficiency of testing services, use the Internet plus testing e-commerce to provide customers with diversified choices, fundamentally reduce testing costs, improve time efficiency, break industry limitations and bottlenecks, and create a new platform for industry innovation. The company's main business scope includes food, agricultural products, environmental soil, environmental protection, industry standard training, retail services, etc., providing you with high-quality and convenient testing servicesFunction 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 problems100% inspection 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 China100 inspection and testing process:
1. Telephone communication and confirmation of needs;
2. Recommend the plan and confirm the quotation;
3. Mailing samples and arranging testing;
4. Progress tracking and result feedback;
5. Issue reports and after-sales service;
6. If it needs to be expedited, priority processing;