Undersea Systems, Geophysical Equipment, Survey Sonar and ROV

Acoustic Releases

867-A
Shallow Water Transponding Release
The 867-A is a low cost, versatile acoustic release designed for recovery of underwater equipment in coastal and inland waters. the transponding function allows users to perform 2-way acoustic ranging to home in on the subsea unit.
Depth Rating	305 m (1000 ft)
Release Load	225 kg (0.25 tons)
Lift Load Rating	455 kg (0.50 tons)
Actuation	High torque motor
Transponder	5-10 km slant range
Release Confirmation	Multiple ping reply
Timed Disable	2,4,8, or 16 hours
Enable	Enable Command
Disable	Disable Command
Tilt Indication	Vertical or horizontal (25° std.)
Battery Life (Receiver)	2 years
Battery Life (Transmissions)	25,000 pings
Factory Set Receiver (Frequency)	7-15 kHz
Selectable Transmit(Frequency)	7-15 kHz
Source Level (Nominal)	>192 dB ref 1mPa @ 1m
Weight In Air In Water	9 kg (20 lbs) 3.7 kg (8 lbs)
Dimensions	63 cm (25 in) length 13 cm (5 in) diameter housing
Construction	PVC, Fiberglass Strongback
Accessories	Remote head version also available (C-855-60) 875-SB Alkaline Battery (C-867-4) 875-SL Drop Link (0220-008)

Related Equipment
Click on the links below for equipment designed to work with this product group