Goldak 777-B Leak Detection 

777-B Leak Detection


    Solid aluminum construction housing contains circuitry, controls and meter: Weight 2.5lbs. Dimensions: 3" x 6" x 10"
    Easy to read sensitive meter that displays microphone response and indicates battery status
    Ultra-sensitive microphone to detect a wide range of water leak sounds.
    Wide-range controls to adjust amplifier gain, meter sensitivity and filter frequency
    Filter Range 20Hz - 500Hz on 'Lo', 20Hz - 3.5KHz on Hi
    Padded stereo headphones to reproduce leak sounds and effectively shut out external noise
    Perfect for residential and commercial slab leaks
    Bell is an optional accessory and may purchased separately.
    Perferred by experienced underground leak locating professionals for decades