Underwater Altimeter & Echo Sounder with optional integrated Pitch, Roll & Heading (AHRS)
The ISA500 family of underwater Altimeters provide range measurement capability to the nearest 1mm with a range of over 120 meters.
The ISA500 underwater Altimeter & Echo Sounder provides exceptionally long distance measurement capability – in excess of 120 meters. In addition to providing exceptionally long range capability, the unit has a 1mm accuracy – allowing precision underwater distance measurements to be made.
Optionally, the ISA500 can also be provided with an integrated Attitude and Heading Reference System (AHRS). This provides highly stable Heading, Pitch and Roll readings.
The ISA500 utilises sonar technology to derive distance measurement.
Operating by default at 500kHz, the unit utilises a broadband composite transducer and electronics together with an advanced digital acoustic engine. The combination of these enable the unit to achieve long range and high accuracy.
The unit can be operated at any frequency from 400 to 600kHz – ideal for different applications or operating in conjunction with other hydro-acoustic or sonar equipment.
With first return, strongest return and seabed tracking modes, the ISA500 can be configured to suit specific applications.
Optionally available on the ISA500 is an integrated Attitude & Heading Reference System (AHRS) providing Heading, Pitch & Roll.
The AHRS is based on Micro-Electrical-Mechanical-System (MEMS) based technology.
Within the ISA500 there are three MEMS based Gyros, Accelerometers & Magnetometers. The outputs from each of these MEMS devices are fused together, providing highly stable Heading, Pitch & Roll.
The Heading is highly resilient against temporary magnetic interferes. This is aided by a soft and hard iron calibration feature once the unit has been installed on the ROV, AUV or other underwater application.
The ISA500 is available in a range of housing configurations and materials.
The unit can be provided in 1000, 6000 & 11,000 meter rated housings and is available in either Titanium or Acetal.
Both forward looking and right angle housing configurations are available – enabling simple integration into any underwater vehicle, structure or device.
The ISA500-OEM is also available, which offers an un-housed version of the ISA500 for integration into a third party housing or system.
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