JFN has extensive experience with the use of SONAR equipment, both deployment and data acquisition.
SONAR profiling is used to measure the level and distribution of sediments in vessels containing liquor SONAR profiling readings can be acquired from stationary or mobile deployments in accordance to requirements and conditions set.
The main types of work JFN has been involved in with the SONAR Profiler are:
As the SONAR is used in hostile environments, JFN has employed a Spilt Head System for the SONAR unit.
The Split Head System allows the electronics of the SONAR to be stored in an external unit from the head.
This setup allows easy detachment of the head unit from the rest of the unit for controlled disposal if contaminated. As the head unit contains a minimum number of electronic components, replacing the unit becomes more cost effective when the unit becomes contaminated.
Operating at 0.6MHz and 1.1MHz this new profiler has been designed with a hard boot, which offers increased protection over conventional mechanical scanning profilers.
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Operating frequency 600 kHz and 1.1 MHz Beam-width 2° Conical [600 kHz] Beam-width 1° Conical [1.1 MHz] Maximum range 80m [600 kHz] Maximum range 40m [1.1 MHz] Minimum range 0.3m Timing resolution 1mm Source level 210 dB re 1uPA@ 1 m Pulse-length 20 – 200 microsec System bandwidth 30 kHz Scan modes Combinations of speed and resolution available Mechanical step sizes 0.45°,0.9°, 1.35° and 1.8° Mechanical resolution 0.45° Scanned sector Variable to 360° Continuous 360° mode available Yes Sector offset mode available Yes |