●For a reliable detection of leaks in closed, pressurized and non-pressurized pressure and vacuum tanks. ●Consisting of ultrasonic transmitter, receiver and headphones. ●With visual and audible indication. ●Frequency response: 40 khz ± 2 khz ●Operating conditions: temperature: 0°c to 40°c ●Relative humidity: max. 80% ●Battery: 9 v, 6f22 or equivalent ●Size 192 x 50 x 30mm
