Large meter display (with backlight) of sound loudness, allowing the user to pinpoint the exact leak location
Lightweight amplifier 31 oz.)
Six selectable filters, split into three "low side" filters (100Hz, 200Hz, or 400Hz), and three "high side" filters (600Hz, 800Hz, or 1200Hz)
"Limitter" switch which cuts off all loud noises greater than 110dB
"Filter-Thru" which, which turns off all the amp's filters, allowing users to hear all sounds from 50Hz to 15,000Hz
High sensitivity ground microphone and low "electronic noise" amplifier combine to offer quality sound
SubSurface Instruments, Inc., 210-D North 21st Street PO Box 179, Purcellville, VA 20132. Tel: 540-338-1202; Fax: 540-338-1852.