Not long ago, the “Product Quality People Buying Group†set up by the Zhejiang Provincial Quality Supervision Bureau completed the sample-taking task and announced all the test results. This time, there are 4 kinds of products such as massage equipment, stainless steel vacuum flask (pot), self-ballasted LED bulb, cable TV line, etc. Among the 194 batches of products purchased for inspection, there are 92 batches of products. Passed, the failure rate was 47.4%.
Among them, the self-ballasted LED bulb has the highest unqualified rate. Of the 49 batches of samples tested, 48 batches were unqualified, and the unqualified rate reached 98%. The unqualified items were mainly signs and lamp power. Mechanical strength, color characteristics, etc.
Industry insiders suggest that consumers can refer to the following points when purchasing LED bulbs: 1. Buy products of well-known brands as much as possible; 2. Select LED lamps with appropriate power, color temperature and angle according to their own use; Check whether the signs on the lamp and the outer packaging are consistent. The lamp should be marked with the source mark, rated voltage, power, production date, etc. If the information is not complete, try not to buy it; 4. Pilot the LED light, observe the light into the screw Whether it is smooth when the lamp holder is out, the light from the LED light is uncomfortable to the naked eye. Do not purchase the light blue or the more glaring LED light that is obviously felt.
Single Phase UPS provides backup power for small businesses, home offices, and critical equipment, ensuring continuous operation during power outages.
Features of single phase UPS include:
1. Automatic voltage regulation (AVR): This feature stabilizes the output voltage of the UPS, ensuring a constant and reliable power supply to the connected equipment.
2. Battery backup: Single phase UPS systems are equipped with batteries that provide backup power in the event of a power outage. This allows the connected equipment to continue operating without interruption.
3. Surge protection: UPS systems also offer surge protection to safeguard the connected equipment from power surges and spikes.
4. Monitoring and management: Some single phase UPS systems come with monitoring and management capabilities, allowing users to monitor the UPS status, battery level, and other important parameters.
5. Energy efficiency: Many modern single phase UPS systems are designed to be energy-efficient, helping users save on energy costs.
Usage of single phase UPS:
Single phase UPS systems are commonly used in homes, small businesses, and offices to protect computers, servers, networking equipment, and other critical electronic devices from power disruptions. They are also used in industrial settings to protect machinery and equipment from power disturbances.
Overall, single phase UPS systems play a crucial role in ensuring the reliability and availability of power to sensitive electronic equipment, making them an essential component of any power protection strategy.
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