881A Imaging 445-017 AUGUST 2002-REVISED JANUARY 2011 IMAGENEX MODEL 881A DIGITAL MULTI-FREQUENCY IMAGING SONAR APPLICATIONS: • • • • • • • • • ROV, AUV, & UUV Offshore Oil & Gas Sunken Timber Recovery Diving Support Surveying Search & Recovery Inspection Underwater Archaeology Scientific Research FEATURES: • • • • • • • • • • Programmable Multi-frequency High performance Lower cost Low power Simple set-up and installation Digital telemetry Full scale range from 1 m to 200 m Compact size Communication format available to user Now with Multi-frequency Sonar, operators can generate highly detailed full-scale images with just one unit. The 881A is a programmable multi-frequency digital imaging sonar that you can operate using default frequency settings or customize the configurations for your own situation. High performance, lower cost, low power and simple set-up and installation, make this sonar perfect for the largest ROV’s to the smallest inspection ROV’s, plus AUV or UUV applications. Specifications subject to change without notice www.imagenex.com Copyright © 2002 - 2012 Imagenex Technology Corp.

HARDWARE SPECIFICATIONS: FREQUENCY TRANSDUCER TRANSDUCER BEAM WIDTH RANGE RESOLUTION MIN. DETECTABLE RANGE MAX. OPERATING DEPTH MAX. CABLE LENGTH INTERFACE CONNECTOR POWER SUPPLY DIMENSIONS (for both depth ratings) WEIGHT: In Air In Water MATERIALS FINISH 310 kHz, 675 kHz, or 1 MHz (default settings) -Other frequencies can be selected through programmable software configurations (Tunable from 280 kHz to 1.1 MHz in 5 kHz steps) Imaging type, fluid compensated 310 kHz: 4° x 40° 675 kHz: 1.8° x 20° 1 MHz: 0.9° x 10° 1 m – 4 m: 2 mm (0.08”) 5 m & up: 10 mm (0.4”) 150 mm (6”) 1000 m and 3000 m available...

ORDERING INFORMATION: 1000 m UNIT 3000 m UNIT RS-232 End mount connector Right angle connector Interface source code in “C” (TEST881A.C) Standard Standard Option Option Option Option 881-000-400 881-000-401 -006 -009 -010 -018 Product and company names listed are trademarks or trade names of their respective companies. 3 881A Imaging 445-017 www.imagenex.com