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HSF-500 Marine Fluxgate Magnetometer Sensor

Marine magnetometers are widely used in marine geological surveys to detect magnetic anomalies caused by subsurface geological structures like volcanic rocks, magnetic minerals, and faults including UXO clearance, archaeological surveys, geological studies, and the detection and mapping of various ferrous objects under the sea. Their high precision and versatility make them valuable assets in marine research, exploration, and navigation. Fluxgate magnetometers provide valuable information about the magnetic properties of the marine environment and helping to unravel the mysteries of the Earth's magnetic field and the geological processes beneath the ocean.

HSF-500 submarine three axis fluxgate sensor is a product with pressure resistance and seawater corrosion resistance developed by Xi’ an Huashun according to the requirements of underwater magnetic measurement. The series fluxgate sensor is packed by non-magnetic pressure resistant shell to ensure the excellent performance of the sensor. The connectors will be industry standard watertight ones. According to the working water depth, it is divided into 300 meters, 3000 meters and 7000 meters, of which 3000 meters and 7000 meters product shells are made of titanium alloy, and the fluxgate sensor with cable type and mooring type can be customized.

Product Features
Low noise, high sensitivity, good linearity, low power consumption, pressure resistance and seawater corrosion resistance

Application
Underwater submarine magnetic survey

Performance Parameters

Index Name

Parameters

Axis

1/3

Orthogonality

≤±0.2°

Linearity

≤0.01%FS

 Noise

Low noise version

Standard Version

Normal Version

≤6pTrms/Hz1/2@1Hz

≤10pTrms/Hz1/2@1Hz

≤20pTrms/Hz1/2@1Hz

Bandwidth   

DC~100Hz

DC~1KHz

DC~3KHz

Temperature Range

-20℃~60℃

-40℃~80℃

Note

This is the noise within the range of ±100uT. With the increase of the sensor range,   the noise will increase appropriately

Range/uT, Output Voltage/V, Sensitivity mV/uT

Range

70µT

100µT

250µT

500µT

1000µT

±10V Output

142.86mV/µT

100mV/µT

40mV/µT

20mV/µT

10mV/µT

±2.5V Output

35.71mV/µT

25mV/µT

10mV/µT

5mV/µT

2.5mV/µT

Electrical parameters

Supply Voltage

Working Current

Output Voltage

±12V~±15VDC

35mA

±10V

±3.6V~±5VDC

10mA

±2.5V

Product Packaging Form

PEEK shell: working underwater 100m

Underwater 500m fluxgate magnetic sensor

PEEK shell: Waterproof joint (IP68)

working underwater 500m

Underwater 1000m  fluxgate magnetic sensor

Titanium alloy shell;

working underwater 1000m

Underwater 4000m  fluxgate magnetic sensor

Titanium alloy shell;

Built-in attitude sensor;

working underwater 4000m


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