... leaks. EM282 consists of EM282-R and EM282-T.EM282-R is designed to locate leaks in pressure ... detection, easy use and utility. In conjunction with EM282-T Ultrasonic Transmitter,EM282-R can also be used ... compartments such as container ,tank,car,etc.EM282-T can send out ultrasonic sound of 40khz and ... is desighed to be used in conjunction with EM282-R.FEATURESQuick location of air ,water , ...