Vivax Digital Sonde Locator - VM540

Receives and locates 512 Hz, 640 Hz, 33k Hz and 60 Hz Passive

• Can be used to locate 512 Hz sondes, up to 15ft deep.
• Displays - depth, signal level and battery condition.
• Sound frequency changes with gradient field intensity.
• Push button keypad with sound on and off feature.
• High rejection of power source interference.
• Includes padded soft carry case.