Microwave Oven Exposure Limits

Part iii microwave ovens of the radiation emitting devices regulations c r c c.

Microwave oven exposure limits.

1 0 mw cm 2 with test load. Microwave oven standard radiation leakage limit. Dbm decibel milliwatts is an abbreviation for the power ratio in decibels db of the measured power referenced to one milliwatt 1 mw 1 1 000 of a watt. What is the world health organization doing.

It is used in radio microwave and fiber optic communication networks as a convenient measure of absolute power because of its capability to express both very large and very. Between 100 khz and 10 ghz exposure limits on sar are provided in order to prevent whole body heat stress and excessive localised heating of tissues. The emission limit for microwave ovens mentioned above is consistent with the exposure limits recommended by icnirp. The world health organization who through the international emf project has established a programme to review research results and conduct risk assessments of exposure to electromagnetic fields in the range from 0 to 300 ghz.

Under united states federal guidelines the maximum allowed leakage of radiation from a microwave oven in use is 5 milliwatts which is 0 005 watts per square centimeter 5 mw cm 2. The radiation health committee retains the role of setting the allowable limit for microwave leakage from microwave ovens 50 w m2 at 0 05m 5mw cm2 at 5 cm. Radiation health committee radiation health series publication no 17 arpansa australian government. Modern homes full of microwave radiation wireless exposure limits in different countries the limits are for frequencies between 300mhz 300ghz in microwatts cm2 limit guidelines in u s.

In addressing the are microwave ovens safe question it is an important distinction that these extraordinarily high levels of emf in the form of microwave radiation emitted by the typical microwave oven manufactured to comply with usa and canada federal safety regulations was designed to keep you from being heated ie cooked and was not concerned with the impacts of high level emf exposure. 1370 specifies the following limits for the leakage radiation at 5 cm from the surface of the microwave oven. Are from 200 uw cm2 to 1000 uw cm2 2 w m 2 to 10 w m2 for rf radiation depending on frequency. A federal standard 21 cfr 1030 10 limits the amount of microwaves that can leak from an oven throughout its lifetime to 5 milliwatts mw of microwave radiation per square centimeter at.