Description: determined integral of the sound power, p, over a stated time interval of duration t (starting at t1 and ending at t2); Name: energy of sound
Description: integral of the sound power, p, over a stated time interval of duration t (starting at t1 and ending at t2); Name: sound energy
Description: special measures which are hit on equipment to prevent the ignition of a surrounding atmosphere; Name: Explosion protection-ignition protection type of the complete device