Small hand held depth souder, of extremely simple operation, particularly intended for pnuematic or dinghy sailers. Equally useful to scubadivers: it gives depth indication relative to the bottom, distance to a rock or to an underwater quay. Totally waterproof, the Echotest II sounds up to 80 metres, and can be used at a maximum depth of 50 metres. Echotest operates only when immersed.
* Frequancy : 200 kHz. * Depth range : from 1 m to 80 m (3 to 240ft). * Display : LCD, 7 segments, LED backlighting. * Power supply : rated for 500 readings from one 9 V alkaline battery (6 F 22). * Consumption : 70 mA. * Waterproof upto 50 m depth. * Dimensions : 42 x length 198 mm. * Weight : 300 g.