Quote Originally Posted by RMC View Post
But one version is quite unusual and the EX stands for explosion (bottom of the pic). The 375EX is explosion-proof! That's a pretty good one... Maybe you're familiar with that one too in terms of use?

For the battle field? For shows involving pyrotechnic stuff, fireworks? Or for the mining industry?

Richard
They would be used in any environment that would require that any equipment used be "intrinsically safe." I actually could not do noise monitoring at one site that required that my equipment be intrinsically safe because of the potential for explosive gas leakage.

https://www.omega.com/en-us/resource...insically-safe