Microwave Leakage Testing

In addition to PAT testing we also provide microwave leakage testing.

Microwave radiation is both odorless and invisible. Leakage can be caused by slamming the oven door, leaving food particles in the hinges or seals and moving the oven around etc.

A radiation intensity of only 5mw/cm2 is classed as being harmful, regular testing enables the identification of defective leaking microwave ovens.

HT PAT Testing use the most advanced microwave leakage meters for your safety and peace of mind.

Microwave Oven History

The fact that microwaves could be used to cook food was first discovered in the 1940s by Percy Spencer an engineer at the Raytheon Company. Working on radar systems to spot enemy planes during World War 2 he stumbled upon the idea due to a toffee bar melting in his pocket as he experimented with the magnetron. He then tried popcorn and eggs and was astounded at the results.

He continued working on the idea and in the 1950s the first microwave ovens were produced. These early microwave ovens were extremely large and expensive and only used in the catering industry. It was not until 1967 that the first popular domestic microwave was introduced which was the countertop Radarange.

Over the next few years microwave technology progressed and sales increased to over one million by 1975. Early models had been known as electric ovens until the name microwave oven was standardized in the 1970s. As prices continued to fall electronic controls were added and soon the vast majority of households had purchased a microwave oven.

Today there are many companies that produce microwave ovens and the prices are extremely low, this means that almost all workplaces contain at least one microwave. These microwave ovens should be tested not only for electrical safety but also radiation leakage around the oven door and seals.

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