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
This unit includes a new very small compact sturdier case with improved foam that resists water & odor.
Case size is 17 x 12.40 x 5.75
Bell is an optional accessory and may purchased separately.
Perferred by experienced underground leak locating professionals for decades

Goldak 777-A Leak Detection