What is MET certification?
MET American product certification laboratory is a well-known certification body in the United States. It was established in Maryland, USA in 1959. MET is renowned for its outstanding performance in developing product testing technology and certification standards. For nearly half a century, MET has focused on the certification and testing of high-tech products in the United states. Today, MET has become a well-known brand of high-tech product certification. At the same time, with MET certification mark consumer appliances widely accepted by well-known retailers in North America, in more than 10000 stores selling MET certified products.
MET certification mark

MET certified product range
MET's safety certification mark and UL logo are equally valid in North america. MET allows testing and certification by the government of the United States and the government of Canada for a wide range of electronic, household, electrical, telecommunications, medical, power tools and other electrical products.
Audio and video products: LCD/CRT TV, LED advertising display, audio and video amplifier, tuner / mixer, DVD/CD, Player, iPod/MP3/MP4;
Industrial control products: industrial computers, control cabinets, machine tools, lighting fixtures;
New LED lights: LED screen, desktop light / floor lamp, wall hanging lamp / wall lamp, portable mobile lamp, projection lamp, pendant lamp;
Small household appliances: coffee pot, vacuum cleaner, washing machine, refrigerator, ice maker, heater, fan, charger, game machine, information product;
Communication station: desktop / laptop computer, LCD/CRT display, /ADSL Modem server, gateway / bridge, network relay equipment, scanner / printer / copier / fax machines, shredders / bank POS machines, medical products;
Sphygmomanometer / thermometer: hematology analyzer / biochemical analyzer, type-B ultrasonic machine / color Doppler machine, /X ray machine, nuclear magnetic resonance, medical electronic weighing meter, medical monitoring display;
Power tools: electric drill, electric screwdriver, electric saws, electric planer, grinder;
Test equipment: range finder, electric meter, instrument and network analyzer.
MET certification data preparation
1) Circuit Schematic electrical schematic diagram, wiring diagram of the circuit board
2) Construction Diagram product structure, internal drawing
3) Product Manual product manual, there are better pictures
4) list of key parts of BOM products
At the opening stage, the customer shall provide the following materials as much as possible so that the project can be carried out smoothly
1) Product Description: product name, model, parameter, nameplate, use
2) the specific electrical diagram, wiring diagram of the circuit board
3) various marks, labels and warnings attached to the product
4) complete product manual, including the description of the main functions of the product, user guidelines, important tips and so on
5) key parts list and part certificate. If the parts on the product include (but are not limited to) the transformer, the filter component, the converter, the motor, etc., the customer shall also provide detailed specifications of the part in accordance with the requirements of the MET
6) if additional parts are needed in the test, the customer shall provide spare parts at the request of MET. General refers to non - immersed transformer, fuse, bridge diode, power supply, FET and so on.
MET certification process
- customer inquiries, MET services, fill in service application form, RFQ
- MET offers quotations
- customer return quotation
- MET provides application forms, documents and payment details
Customer charges paid
- product qualification guidance;
- client submits all required application documents and samples
- MET open test and provide account and password for project tracking
- test ends, file verification
- factory inspection for the first time
- issuance of certificates and reports;
- Finish
MET certification factory inspection
Factory audit required
MET authentication cycle
2-3 week