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Sonardyne UK (Head Office) T. +44 (0) 1252 872288 F. +44 (0) 1252 876100 E. sales@sonardyne.com www.sonardyne.com
Datasheet Compatt Mk4 MF Directional (Discontinued)
Description The Computing and Telemeter Transponder (Compatt) is a microcomputer controlled subsea transponder used for acoustic navigation and positioning. The Medium Frequency (MF, 18-36 kHz) system is suited to a wide range of tasks such as underwater measurement, remote control and monitoring. Key Features * Sequential mode operation with 15 individual channel frequencies * 12 channel receiver for high speed positional updates * Allows up to 945 individually addressable Compatt to be used in close proximity * HPR option allows Compatt to be used with Simrad HPR systems * Programmable address code The Type 7806 Mk4 Compatt is one of the Medium Frequency versions of Sonardyne's fourth generation family of transponders built to complement the existing range of Long Baseline products. * Conventional Enable and Disable commands for normal transponder operation * Advanced telemetry facility replies to all commands with Compatt address, command executed and error-checking * Direct measurement of baselines between Compatt improves array calibration accuracy * Baseline measurement to15 cm * Measurement of temp. and depth permits accurate evaluation of seabed sound velocity * Battery checks and time/date facility record remaining battery capacity and time since last charge * Cycle mode permits up to eight preset commands to be executed on receipt of one command * Auto-disable at 90% of battery packs usage
The Type 7806 has a SemiDirectional transducer directing a high source level upwards to overcome high noise levels on surface vessels, especially vessels using thrusters for Dynamic Positioning. The transducer maintains a good source level and sensitivity in the horizontal direction to ensure reliable inter-Compatt ranging for array calibration. The Type 7806 is a direct replacement for the earlier Type 7805 Compatt, but has improved acoustic performance across the whole MF frequency band.
Sonardyne UK (Head Office) T. +44 (0) 1252 872288 F. +44 (0) 1252 876100 E. sales@sonardyne.com www.sonardyne.com
Specifications Compatt Mk4 MF Directional (Discontinued)
Feature Depth Rating Operating Frequency Transducer Beam Shape Typical Accuracy Battery Type Acoustic Output Power (dB re 1Pa @ 1 metre) Listening Life only (Enabled) Listening Life only (Disabled) Navigation Replies (High Power) Navigation Replies (low Power) Data Telemetry (high power) Data Telemetry (low power) Acoustic Receiver Threshold Timing Resolution Options Sensor Depth
Type 7806 2,500 or 4,000 Metres MF (19-36kHz) Semi-Directional Better than 15cm (static) Ni-Cad Alkaline (single voltage) (single voltage) 202dB 202dB
Lithium (single voltage) 202dB
Lithium (dual voltage) 199dB
Temperature Conductivity Dual Axis Inclinometer Battery
Weight in Air Weight in Water
89 days 1071 days 1786 days 2500 days 96 days 1304 days 2174 days 2500 days 0.4 X 10 1.3 X10 1.5 X 10 3.3 X 10 1.5 X 10 5.3 X 10 6.0 X 10 13.4 X 10 10 X 10 36 X 10 79 X 10 90 X 10 41 X 10 144 X 10 317 X 10 360 X 10 70-115dB re 1Pa (Programmable) 1.6s Strain Gauge pressure transducer 0.2% (350M, 1350M, 2500M or 5000M range) or Digiquartz Quartz Crystal Pressure Transducer. (1350M, 2050M or 4100M range 0.02%) Platinum Resistance 0.1C Change in flux-linkage Sensor 0.25ppt Schaevitz LSOP Inclinometer 14.5 range, (Accuracy 0.1, Resolution 0.01) Lithium, Alkaline or Ni-Cap External Sensor Monitoring Acoustic Release End Cap Remote Sensor Input available 24.1kg (2,500m Version), 26.1kg (4,000 Version) 11.2kg (2,500m Version), 13.2kg (4,000 Version)
Specifications subject to change without notice - 10/2006

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