
This chapter of the scope GB 4706.1-2005 is replaced by the following content: this part involves the safety of indoor heaters for household and similar purposes, with a rated voltage of no more than 250 V for single-phase appliances and 480 V for other appliances. Note 1: Examples of appliances that fall within the scope of this part are: - convection heaters; - fan heaters: - heaters used in greenhouses—— Liquid filled radiator; - Plate heater; - Radiant heater; - Tubular heater. Appliances that are not intended for general household use but may still pose a risk to the public, such as indoor heaters intended for use by non professionals in shops, light industries, and farms, also fall within the scope of this section. In practical terms, the common hazards present in the various appliances involved in this section are those that may be encountered by all people in residential and residential environments. However, generally speaking, this section does not address: - the dangers of using devices by unattended young children and people with disabilities; - the situation of young children playing with devices. Note 2: Please note the following situations: - For equipment intended for use on vehicles, ships, or aircraft, additional requirements may be required—— In many countries, national healthcare departments, national labor protection departments, and similar departments have set additional requirements for appliances—— Additional requirements may be required for equipment intended for use in areas with combustible dust, such as stables or animal sheds. Note 3: This section does not apply to: - Instruments designed specifically for industrial use: - Instruments intended for use in special environments where corrosive or explosive gases (such as dust, steam, or gas) are frequently produced; - Heaters installed inside the air conditioning system (GB 4706.32) - Clothes dryers and towel dryers (GB 4706.60), sauna heaters (GB 4706.31), thermal storage indoor heaters (GB4706.44), heaters for animal breeding and breeding (GB4706.47), foot warmers and foot mats (GB4706.80>) - Thin layer flexible heating elements (GB 4706.82), heating carpets, central heating systems, heating cables (IEC 60800)
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 problemsBaijian 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