Tej zaum peb yuav tau pom UL daim ntawv lo ntawm qee cov khoom siv hauv tsev hauv peb lub neej txhua hnub. Cov ntawv lo me me no tau dhau los ua tus qauv kev nyab xeeb rau ntau yam khoom lag luam. Ntau lub tuam ntxhab yuav thov UL daim ntawv pov thawj thaum muag cov khoom lag luam. Yog li yuav ua li cas ua UL daim ntawv lo? Dab tsi yog nws cov kev xav tau tshwj xeeb?
Tsab xov xwm no yuav pab koj nkag siab txog hom UL daim ntawv lo, qhov yuav tsum tau ntawm UL daim ntawv pov thawj, thiab txoj hauv kev kom tau txais UL daim ntawv lo.
Dab tsi yog UL daim ntawv lo?
UL daim ntawv lo feem ntau yog hais txog daim ntawv pov thawj muab los ntawm Underwriters Laboratories tom qab kuaj thiab kev ntsuam xyuas. UL yog cov ntawv luv ntawm Underwriters Laboratories. Founded hauv 1894, lub chaw kuaj mob yog ib qho ywj pheej, non-profit organization dedicated to testing for public safety. In order to prove that the product meets the safety standards and has passed the UL test, we will affix the UL label on the product.
Benefits of UL Certification/ UL Label
UL certification is mainly for product safety certification and enterprise safety certification. Its ultimate purpose is to bring a relatively safe level of goods to the market and help ensure people’s health and safety.
Tau kawg, adopting the UL certification system is voluntary. So why do so many people still apply?
Here are some reasons and benefits of printing the UL certification mark:
1. Stronger prestige
UL certification indicates that the company’s products are more authoritative and credible in terms of safety in use. At the same time, this is also the market’s full affirmation of the company’s product safety. For enterprises with UL certification, consumers and buyers will have more trust and confidence.
2. Accelerate the speed of global trade
Passing UL certification can greatly shorten the time for products to enter the North American market and can be successfully exported. It is convenient for the company’s brand to quickly enter the fast lane in the global market.
3. Standards of quality
Both dealers and user groups are very concerned about the quality and safety of products. No matter where they buy products, they will focus on selecting products with UL certification marks. This has become the default standard for some enterprises. Products that are not UL certified are usually rejected for purchase.
4. Long history
Because UL certification has a long history and a very good brand image, it has been deeply rooted in the hearts of ordinary people. In order to make products sell better in the North American market, many middlemen will require products to have certification marks.
5. Possible influencing factors
For products without UL certification, some insurance companies may not agree to insure them. Ntxiv rau, local laws may prohibit businesses from using and selling electronic products without UL certification.
Types of UL Labels
UL certification can be divided into two levels for different types of UL services: Listing Certification and Recognition Certification.
UL Listing is used for the certification of the final complete product. UL Recognition is a safety certification for product accessories and materials. In other words, only approved accessories or materials that meet relevant requirements can be assembled and applied to the final product. Examples include wires, transformers, circuit boards, switches, plugs, yas, hlau, etc.
Ntxiv rau, we can also divide UL labels into the following three types:
1. UL Listed
The various products that belong to UL-listed services generally include various electrical equipment: such as household appliances, medical equipment, IT equipment, electrical tools, thiab lwm yam. It is also suitable for some components, such as switches, wires, fuses, etc.
2. UL Classified
Feem ntau, classified products are not products used by consumers, but more used by industry or commerce. Yog li ntawd, the testing requirements for such products will be more stringent. Such as industrial chemicals, building materials, fire protection equipment, etc.
3. UL Certified
UL certification label, also known as enhanced marking label. The enhanced intelligent UL logo mainly includes four elements: basic logo, authentication attribute, relevant country code, and unique identification code. Consumers can scan the barcode on the label to know that the product has passed UL’s testing and evaluation.
Marking and Labeling Systems Categories
Label products adopt the UL969 test standard, and are divided into the following certification items according to their product characteristics:
- PGDQ2, Marking and Labeling System.
According to the UL969 standard, for processed labels, the label processor or label printer can apply directly. These products refer to labels that have been printed and generally have been surface treated. These labels are intended for use in dry indoor environments. Txawm li cas los, with special approval, it can also be used outdoors or in humid environments. Hauv ntej, PGDQ2 yog daim ntawv lo luam tawm uas tsis tuaj yeem ua lossis luam tawm dua tom qab tawm hauv lub Hoobkas.
- PGJI2, Cov Khoom Luam Ntawv.
According to the UL969 standard, Kev sib xyaw ua ke ntawm cov ntawv luam tawm lossis tsis luam tawm saum npoo thiab number case tuaj yeem thov los ntawm daim ntawv lo raw khoom xa khoom, daim ntawv lo chaw tsim tshuaj paus, lossis lub hoobkas luam ntawv. Tsis hais seb cov ntawv nplaum luam tawm ua ntej lossis tsis luam tawm ua ntej tawm hauv lub hoobkas, Cov neeg siv khoom tuaj yeem siv laser luam ntawv lossis thermal hloov luam ntawv raws li lawv tus kheej xav tau los txheeb xyuas seb lub tshuab luam ntawv ribbon thiab cov khoom siv sib phim. Hauv kev xaus, PGJI2 yog cov khoom lag luam ib nrab, nws tuaj yeem luam tawm dua tom qab tawm hauv lub Hoobkas.
- PGGU2, Cov Khoom Cim thiab Cim System.
According to the UL969 standard, nws yog tsuas yog rau cov nplaum nplaum tus kheej, suav nrog cov khoom siv saum npoo thiab cov yeeb yaj kiab iav uas tsis muaj luam tawm cov ntawv lo nplaum tus kheej, which can be applied by label raw material suppliers.
- PGIS2, Cim thiab Labeling Systems, Limited Use.
According to UL817 and UL859 standards, special markings are carried out for bendable wires used in special fields. It can be applied by label converter printing companies. For example high voltage lines. Special attention should be paid: different label models should have detailed instructions on whether UL588 or UL817 is applicable, which wire types, how many wire sizes, and whether they can be used indoors or outdoors.
- PGAA, Authorized Label Suppliers Program.
This refers to the certification required by label suppliers when printing labels containing ULlistingMark to final product manufacturers. PGAA is a label manufacturer certified by UL. It is best not to use factories or suppliers without this certification.
UL969 Testing and Evaluation
To get the UL certification, the manufacturer must first submit the product to Underwriter’s Laboratories for a series of tests. If the product meets all applicable requirements, UL will authorize the manufacturer to use the UL Certification Mark on the product or component. Once a company is approved to apply the UL certification mark to its products, the UL label manufacturer must submit the design of the UL label to the UL Label Center for review. Labels must be tested to ensure they meet the essential requirements specified by UL.
UL generally judges whether a label complies with the specification based on the following factors:
1. Cov khoom siv
2. Wear resistance
3. Persistence in harsh environments
4. Size/area
5. Clarity
How do I Get the UL Label?
After the product has applied for UL certification, Ntau lub tuam txhab yuav tsis meej pem txog yuav ua li cas ua thiab luam tawm UL daim ntawv lo.
ZLLABEL yog cov chaw tsim khoom nrog PGAA daim ntawv pov thawj. Qhov no txhais tau tias peb tuaj yeem ua txhua yam ntawm koj cov ntawv pov thawj UL daim ntawv pov thawj xav tau. Ntxiv rau, Cov khoom siv thiab cov kua nplaum uas peb siv tuaj yeem tiv taus ntau qhov chaw hnyav, Uas tuaj yeem ua kom ruaj khov thiab ruaj khov ntawm daim ntawv lo. Koj tuaj yeem thov cov ntawv lo rau ntau yam khoom, Xws li cov khoom siv hluav taws xob, Phau ntawv, Cov ntaub ntawv, Cov khoom siv roj av, Cov hniav nyiaj hniav kub, Cov khaub ncaws, thiab lwm yam.
Yog tias koj muaj kev xav tau, Thov sab laj nrog peb kom tau txais qhov kev daws teeb meem zoo tshaj plaws.
