GeoMax i550 定位器

Frequency / Mode : 
Power: 50 Hz or 60 Hz; Radio 15 kHz to 60 kHz;
Transmitter 8 kHz and 33 kHz; Auto = Power + Radio modes
Depth: Power to 3m; Radio to 2m; Transmitter dependant on
transmitter or sonde type
Depth estimation: 10% of depth in line or sonde (0.3 to 3m depth range)
Protection: IP54
Batteries: 6 x AA alkaline (IEC LR6) supplied
Battery life: 40 h intermittent use (at 20°C)
Weight & dimensions: 2.7kg - 760mm (H) x 85mm (D) x 250mm (W)

Datasheet