EP512 - Ultrasonic Transmitter EP512 is a ultra sonic transmitter. It is used for leak detection in systems that are not pressurised. The EP 512 transmitts a pulsating ultrasonic and when activated a lamp is flashing. The transmitter can be placed inside an item to be examinated and any EP leak detecctor can be used from the outside. In case of a leak the ultrasonic pulsations will find its way out and will be easy to detect. Read more about DryTesting under TECHNIQUE The type EP512 is delivered with a directional probe Type and order no. EP512