Functional safety of electrical/ electronic/ programmable electronic safety-related systems - Examples of methods for the determination of safety integrity levels shop-only We operate in 147 countries

We operate in 147 countries and are the number one certification body in the UK and US

One flux may be classified with different electrodes

NOTE Guidance on testing and inspection is given in section 2 of BS 5655-6

Alternative methods may be used if shown to be equivalent

Functional safety of electrical/ electronic/ programmable electronic safety-related systems - Examples of methods for the determination of safety integrity levels shop-only We operate in 147 countriesBS EN 61508 5: 2002 provides information on: the underlying concepts of risk and the relationship of risk to safety integrity (see annex A) a number of methods that will enable the safety integrity levels for the E E PE safety relatedsystems, other technology safety related systems and external risk reduction facilities to be determined (see annexes B, C, D and E).