For the most accurate heading data in harsh, extreme latitudes.

SeaTRAX-85º
Towed Array Heading Sensor

SeaTRAX-85º is for vessels operating in polar regions, where standard magnetic compasses are prone to errors and fluctuations due to the Earth’s magnetic field.

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SeaTRAX-85º is the first towed array heading sensor engineered to deliver the most accurate heading data in harsh, extreme latitudes. Its highly-sensitive magnetometer readings are refined by state-of-the-art algorithms that calibrate for magnetic distortion and compensate for all tilt angles.

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It delivers serial digital outputs of precise, reliable heading, pitch, roll, magnetic sensor and accelerometer readings.

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At less than half the size of other heading sensors, SeaTRAX-85º will fit almost everywhere. And because it consumes only one tenth of the power, it’s ideal for use in long missions and in harsh environments.

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Unlike standard sensors used in many towed arrays, SeaTRAX-85º delivers heading accuracies of 0.25º in the Arctic Circle – previously unheard of in a tiny digital magnetic compass module. Even at 85° latitude, it delivers better than 1.5 ° heading accuracy. So you get clear survey images even in the Arctic Ocean.

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It works beautifully in lower latitudes as well.

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SeaTRAX-85º is ideal for applications including towed arrays, anti-submarine warfare, seismic streamers, and military exploration and operations in the Arctic and Antarctic regions.

Technical Specifications

HeadingAccuracy

0.25º rms - 65° dip angle
0.5° rms - 75° dip angle
0.75° rms - 80° dip angle
1.4°rms - 85° dip angle
Repeatability0.05º rms
Resolution0.01º
TiltRange
±90º of pitch | ±180º of roll
Accuracy
Repeatability
Resolution
0.1º rms
0.05º rms
0.01º
I/O CharacteristicsCommunication
Interface
TTL/CMOS serial
UART
Mechanical
Characteristics
Dimensions
(l x w x h)
50 x 10 x 10.49 mm
Power RequirementsSupply Voltage (unregulated)2.9 – 5.5 VDC
Typical Current draw9.5 mA

Downloads for SeaTRAX-85º

Try our products for yourself

Order one of our SeaTRAX-85º Eval Kits to easily evaluate the performance of our RM3100 sensor suite.

SeaTRAX-85º Eval Kit Unit

Price per unit:

$1,046.00

SeaTrax-85° Module (Part number 14742) with a UART connection and USB evaluation cable (Part number 14480) simplifies the evaluation of SeaTraX-85° performance capabilities.

Note: Maximum order quantity is ten (10) units. Please contact sales@pnicorp.com if you wish to purchase larger quantities.

Disclaimer: Please note this product will be available starting Oct. 1, 2023.

SKU: 14742 (SeaTrax-85° Module) / Category: Digital Magnetic Compasses

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Calibration-free Low SWaP-C AHRS Targeting Module

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