Where is the difficulty of inverter home appliance testing?

With the increasing demands of industry standards and a deeper understanding of energy efficiency, the testing requirements for household appliances such as refrigerators, air conditioners, washing machines, and induction cookers have become more stringent. This article explores the challenges and solutions in testing equipment for inverter air conditioners and induction cookers. **First, the relationship between home energy efficiency labels and standby power consumption tests** Household appliances have significantly enhanced our daily lives. In recent years, consumers have become increasingly aware of energy consumption when purchasing appliances. With various energy efficiency labels available, it's essential to understand which appliances are truly energy-efficient and environmentally friendly. Since 2005, China has implemented energy efficiency labeling, starting with refrigerators and air conditioners. Over time, more products like washing machines, electric water heaters, induction cookers, rice cookers, tablets, and microwave ovens have been included. The energy efficiency label system has evolved, with stricter requirements over time, leading to the current five-level classification: from Level 1 (most efficient) to Level 5 (minimum requirement). Energy efficiency labels indicate the product’s energy performance. Level 1 represents international advanced standards, while Level 5 is the minimum allowed. These levels help consumers make informed decisions based on energy consumption and cost savings. The energy efficiency ratio (EER or COP) measures cooling or heating performance relative to input power. A higher ratio means better efficiency. For example, an air conditioner with a higher EER uses less electricity to provide the same cooling effect. Accurate power measurement is crucial in these tests. Zhiyuan Electronics' PA310 Power Meter offers high precision (0.1%), wide current range (5mA–20A), and advanced harmonic analysis, making it ideal for testing modern appliances with complex waveforms. **Second, testing inverter air conditioners and other variable frequency appliances** Inverter technology is widely used in home appliances due to its energy-saving benefits. However, this technology introduces challenges in testing due to distorted waveforms and fluctuating currents. Traditional meters often fail to capture accurate measurements due to limitations in sampling rate and bandwidth. Zhiyuan Electronics’ PA300 series power meter addresses these issues with a 500KS/s sampling rate, 300KHz bandwidth, and support for up to 50 harmonics. It automatically adjusts ranges and ensures accurate power measurement even under varying conditions. **Third, measuring large current devices such as induction cookers** Induction cookers require precise measurement of high currents. The PA310 power meter allows direct input of up to 20Arms without the need for external sensors. Its dual shunt design ensures accuracy across a wide range, from small to large currents, with a basic accuracy of 0.1%. This makes the PA310 ideal for testing induction cookers and other high-current appliances, providing reliable data for performance evaluation and compliance testing. In summary, as energy efficiency becomes a priority, advanced testing tools like the PA300 and PA310 series play a critical role in ensuring accurate and reliable measurements for modern household appliances.

Remote Socket

REMOTE CONTROL SOCKET
Important Safeguards
When using any electrical appliance, in order to reduce the risk of fire, electric shock and/or injury to persons, basic safety precautions should always be follow8d. including:
• The appliance is for household and indoor use only.
• Before plugging in. check that the voitage on the rating label is the same as the mains supply.
• To protect against electric shock, do not immerse any part of the product in water or other liquid.
• This socket is intended for use by competent adults only and children should be supervised at all times.
• Do not use the socket for other than its intended use.
• This socket can be used by children aged from 8 years arxl above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall not p<ay with the appliance Cleaning and user maintenance shall M be made by children without supervision.
• Children of less than 3 years should be kept away unless continuously supervised.
Children from 3 years and less than 8 years shall only switch on/off the appliance provided that it has been placed or installed in its intended normal operating position and they have been supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved. Children aged from 3 years and less than 8 years shall not plug in. regulate and clean the appliance or perform user maintenance.
• Don't use this socket in the immediate surroundings of a bath, a shower or a swimming pool.
• In case of malfunction, do not try to repair the socket yourself, it may result in a fire hazard or electric shock
Do Not Exceed Maximum a680W
Place the LR44 batteries provided into the compartment in the back of the Remote Control, please
insert as sho*/m in the back of the compartment to ensure the polarity is correct.

Programming Instructions
• Plug the Remoce Socket$($)lnto the wall socket(s) and switch on the mams supply, the red LED will flash every second.
• If the LED is not flashing press & hold the manual ON/OFF button for 5 seconds until it Hashes

•Press any ON switch on the Remote Control for approximately 2 seconds and the Remote Socket(s) learn the code. The LED will stop flashing top confirm the codehas been accepted.
• Any number of Remote Sockets can be programmed to one Remote Control ON button to create multiple switching.
• To programme o<her Remote Sockets on different Remote Control ON buttons repeat the prevous steps
• If the mains supply is turned off the Remote Sockets v/ill lose their code and it wil be necessary to re-pcogramme.
Operation:
• Plug your appliance(s) into the Remote Socket(s)
• Press the programmed ON or OFF button on the Remote Control to control the Remote Socket.
♦ The Remote Sockets can also be operated manually using its ON/OFF Button Trouble shooting
If a Remote Socket does not react to the Remote Control please check the followng:
♦ Low battery in tbo Remote Control
• Distance too large between the remote control and the recerver (ensure the range distance is no more than 20 clear Metres) and free from obstacle that may reduce the distance.
• If programming has not been successful, tum the power off and back on then follow the programming steps above.
How to decode
• Press the manual ONX)FF button for 5 seconds until the red LED flashes once per
second to confirm de-coding is successful
♦ Press the ALL OFF switch on the Remote Control for more than 3 seconds, the LED
flashes once per second to confirm (decoding successful.
Voltage: 240V-/50HZ
Max power rating: 3680W max.
Remote frequency:
Remote range:
Battery Type:
433.92MHz
230 Metres
Button Cell 2x1.5V LR44 =
Please check with your local waste management service authority regarding regulations for the safe disposal of the batteries. The batteries should never be placed G municipal waste.
Use a battery d^posal facility if available
M
For eioctncal products sold within the European Community. At the end of the electrical products useful life, it should not be disposed of wth household waste. Please recycle faaMies exist. Check with your Local Authonty or retailer for recycling advice.
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