The testing methods for electric grills, toasters, and similar portable cookers usually involve multiple aspects to ensure the safety, performance, and durability of the product. Here are some key testing methods:

I. Electrical safety testing
Electrical safety is the top priority for all electrical product testing. For electric grills, toasters, and similar portable cookers, electrical safety testing mainly includes the following:

Insulation resistance test: Test the resistance of the product's insulation part to the passage of current to ensure that there is no risk of electric shock under normal use.

Ground continuity test: Verify that the product's grounding system is good so that when the equipment leaks, the current can quickly flow through the grounding system to the earth to avoid electric shock accidents.

Leakage current test: Measure the current that the product may leak during normal operation to ensure that the leakage current is within a safe range to prevent electrical fires and the risk of electric shock to users.

II. Performance testing
Performance testing is designed to evaluate the cooking effect and efficiency of the product. For electric grills, toasters, and similar portable cookers, performance testing mainly includes the following:

Heating efficiency test: Measure the time required for the product to reach the preset temperature from startup, as well as the heating speed at different power settings to ensure that the product can heat quickly and efficiently.
Temperature control accuracy test: Verify whether the product's temperature control system is accurate and whether it can cook according to the temperature set by the user to ensure the stability and consistency of the cooking effect.
Cooking uniformity test: Evaluate whether the temperature distribution of each part of the product during the cooking process is uniform to ensure that the food can be heated evenly and achieve the ideal cooking effect.
III. Material and chemical testing
Using safe materials is essential for food contact products. For electric grills, bread slice toasters, and similar portable cookers, material and chemical testing mainly includes:

Hazardous substance release detection: Detect whether the product releases harmful substances during use, such as heavy metals such as lead and cadmium, as well as plasticizers and other potentially harmful chemicals, to ensure that the product does not pose a threat to food safety.
Material durability test: Evaluate the wear resistance, corrosion resistance and high temperature resistance of the product material to ensure that the product can maintain good performance during long-term use.
IV. Durability and life test
The durability and life test is designed to evaluate the structural strength of the product and the stability of its performance under long-term use. For electric grills, bread toasters, and similar portable cookers, durability, and life tests mainly include:

Simulated daily wear test: Evaluate the durability and life of the product by simulating wear and tear in daily use, such as frequent switching, plugging, and unplugging of power.
Aging test: Place the product in a harsh environment such as high temperature and humidity to accelerate the aging process of the product to evaluate the product's service life and performance stability. The aging test methods are generally divided into natural aging and accelerated aging. Natural aging is to place the product in an outdoor environment and test it after a certain period of time; while accelerated aging is to simulate high temperature, harsh environment, and other factors to expose the product to possible problems during use as soon as possible.
V. Other tests
In addition to the above test items, the following tests can also be performed for electric grills, bread toasters, and similar portable cookers:

Appearance inspection: Check whether the appearance of the product is intact and whether there are obvious scratches, deformations damage, etc.
Marking and instruction inspection: Check whether the product's logo and instructions are clear and accurate and whether they meet the relevant standard requirements. This helps ensure that users can use the product correctly and safely.
In summary, the testing methods for electric grills, bread toasters, and similar portable cookers involve many aspects, including electrical safety testing, performance testing, material and chemical testing, durability and life testing, and other testing. These testing methods help ensure the safety, performance, and durability of the product, and provide users with a better experience.