1. Introduction
The hob element is designed according to IEC60335-2-6 and IEC60335-2-9 chapter 21. The hoe element is made by aluminum with diameter of 120mm±10mm, its edges being rounded with a radius of at least 10mm, it is uniformly filed with at least 1.3kg of sand or shot so that the total mass is 1.8kg±0.01kg.
2. Parameter
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