Fluxgate Sensor

HSF-100 Orthogonal standard series

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Features

  • Wide band
  • Low noise
  • High sensitivity
  • Excellent linearity
  • Low power consumption
  • Reliable orthogonality

Applications

  • Geomagnetic survey
  • Environmental magnetic field measurement
  • Underwater magnetic detection
  • Target detection and location

3 versions (divided according to frequency domain noise):

  • Normal version(11~20pTrms/Hz1/2@1Hz)
  • Standard version(7~10pTrms/Hz1/2@1Hz)
  • Low noise version(≤6pTrms/Hz1/2@1Hz)
  • The parameters have been tested strictly by the authorized organization. 
  • 3 versions (divided according to frequency domain noise):
  • Normal version(11~20pTrms/Hz1/2@1Hz)
  • Standard version(7~10pTrms/Hz1/2@1Hz)
  • Low noise version(≤6pTrms/Hz1/2@1Hz)
  • The parameters have been tested strictly by the authorized organization.

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HSF-200 Standard Series

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Description

The standard series is a 3-axis fluxgate sensor with mechanical orthogonality ≤±0.2°. Sensors in this series can be used in applications that do not have requirements related to the sensor’s orthogonality. 

Features

  • Wide band
  • Low noise
  • High sensitivity
  • Excellent linearity
  • Low power consumption

Application

  • Geomagnetic survey 
  • Environmental magnetic field measurement
  • Underwater magnetic detection
  • Target detection and location

Versions (divided according to frequency domain noise): 

  • Low cost version:(20~30pTrms/Hz1/2@1Hz)
  • Normal version:(11~20pTrms/Hz1/2@1Hz)
  • Standard version:(7~10pTrms/Hz1/2@1Hz)
  • Low noise version: (6pTrms/Hz1/2@1Hz)

These parameters have been thoroughly tested by an authorized organization. 

Working Voltage Options:

  • ±12V~±15VDC、
  • ±5VDC
  • ±3.6VDC

The minimum power consumption can be 30mW. 

Housing:

There are two types of housing in this series. The sensor body can work underwater at a depth of 300 meters and is suitable for testing in environments such as a laboratory, the wild, aviation and shallow water. This model carries a large measuring range of up to ±5mT.

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HSF-300 Band Pass Series

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The orthogonal standard series includes a 3-axis fluxgate sensor used to measure magnetic fields within a specific frequency range. The sensor parameters in this series are customizable to meet each customer’s unique needs. During production, the initial frequency and cutoff frequency can be adjusted as needed. In addition, sensitivity, linearity, noise, etc. can also be adjusted accurately to optimize the product’s performance.

The sensor parameters in this series are customizable to meet each customer’s unique needs. During production, the initial frequency and cutoff frequency can be adjusted as needed. In addition, sensitivity, linearity, noise, etc. can also be adjusted accurately to optimize the product’s performance.

Feature

  • Customizable 

Parameters      

  • Axis:1/2/3
  • Linearity:≤0.01%
  • Dynamic measurement range: ±200μT

Noise

  • (1)≤10pTrms/Hz1/2@450Hz (measuring range:±10μT)
  • (2)≤5pTrms/Hz1/2@450Hz (measuring range ±1μT)

Band Width (can be customized)

  • (1)200~2.5KHz
  • (2)300~1KHz

Sensitivity

Electrical Parameters

  • (1)High voltage power supply:±12V~±15VDC,±10V analog voltage output, power consumption = 0.5W;
  • (2)Medium voltage power supply:±5VDC,±4.5V analog voltage output, power consumption = 0.1W;
  • (3)Wide voltage power supply:+6V~+36VDC, +2.5±1V analog voltage output. 

Housing Type

  • (1)Standard housing:30x30x110mm, waterproof joint(IP68), weight = 210g; 
  • (2)C shape housing: φ35x60mm, slot width: 9mm. flying wire weight = 90g;
  • (3)T shape housing: 50x30x50mm, flying wire weight = 70g.

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HSF-400 High Overloading/Module Series

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The sensors in the high overload/module series are small, 3-axis fluxgate sensors with excellent linearity, high accuracy, a wide band and high anti-overloading capabilities (≮20000g). The sensors of this model avoid the problem of common fluxgate sensors—large size and poor impact resistance. This model has been thoroughly and harshly tested and produced satisfactory experimental results.

Features

  • Excellent linearity
  • Small size
  • High accuracy
  • Wide band
  • Low power consumption
  • High overloading capability

The sensors in the high overload/module series are small, 3-axis fluxgate sensors with excellent linearity, high accuracy, a wide band and high anti-overloading capabilities (≮20000g). The sensors of this model avoid the problem of common fluxgate sensors—large size and poor impact resistance. This model has been thoroughly and harshly tested and produced satisfactory experimental results. 

Parameters

Axis:1/3

Linearity:≤0.01%

Anti overloading: 20000g

Noise

≤0.5nTrms@0.1s (measuring range ±100µT)

Band Width

1)DC~100Hz;

2)DC~500Hz;

3)DC~1KHz;

4)DC~1.5KHz

Electrical Parameters

(1)High voltage power supply:+7.2VDC, +2.5±1.25V analog voltage output, power consumption = 30mW;

(2)Low voltage power supply:±3VDC, ±2.5V analog voltage output, power consumption = 18mW;

Housing Type

(1)Cylindrical housing:φ45x22mm, flying wire weight = 90g;

(2)Cube housing: 20x20x15mm, PCB or contact pin, weight = 16g

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HSF-500 Marine Series

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The fluxgate sensors in the marine series are designed for conducting magnetic field measurements underwater. The products feature anti-pressure and anti-corrosion methods to ensure accuracy and protection in sea water. Based on the excellent performance of the traditional fluxgate sensor, the sensors in this series apply non-magnetic, anti-pressure housing and a standard watertight connector. The sensors are divided according to working water depth—300m, 3000m and 7000m, with the larger depth sensors utilizing a titanium alloy shell.

Features

Low noise

High sensitivity

Excellent linearity

Low power consumption

Anti pressure

Anti corrosive

Application

Underwater magnetic field measurement

Sensors in this series are divided into three versions: normal, standard and low noise. In order to meet the power consumption requirements of a device working under water, our company has developed a 5V DC power supply version as well. The power consumption of this version can be as low as 30mW and is convenient for users to control power distribution and management.

Parameters

Axis:1/3

Orthogonal degree:≤±0.2°

Linearity:≤0.01%

Noise

(1)Low noise version:≤6pTrms/Hz1/2@1Hz

(2)Standard version:7~10pTrms/Hz1/2@1Hz

(3)Normal version:≤11~20pTrms/Hz1/2@1Hz

(Note: This is the noise parameter of the sensor with the measuring range less than 100µT )

Band Width

DC~100Hz

DC~500Hz

DC~1KHz

DC~1.5KHz

Electrical Parameters

High voltage power supply: ±12V~±15VDC,±10V analog voltage output, power consumption = 0.4W;

Low voltage power supply:±3.3V~±5VDC, ±2.5V analog voltage output, power consumption = 30mW;

Housing Type

Standard housing:30x30x120mm, for operation at 300m depth, watertight joint;

Anti pressure housing: 36x36x130mm, for operation at 3000m depth under water, watertight joint.

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HSF-600 Aviation Series

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The aviation series contains lightweight fluxgate sensors designed for use in aviation magnetic field detection. These sensors meet the requirement of UAV magnetic measurement application for 3 axis fluxgate sensor. The orthogonality is ≤0.2°and the 3-axis attitude sensor can be integrated internally to measure the real time attitude of the fluxgate sensor.The sensor makes it easy and convenient for the user to modify the algorithm in the magnetic field data if necessary. Two options of working voltage are provided– high voltage power supply and low voltage power supply. Three types of housing are available.

3 Versions (divided according to frequency domain noise)

Normal version

Standard version

Low noise version

Features

Low noise

High sensitivity

Excellent linearity

Low power consumption

Light weight

Application

Aviation magnetic field detection

The sensor makes it easy and convenient for the user to modify the algorithm in the magnetic field data if necessary. Two options of working voltage are provided– high voltage power supply and low voltage power supply. Three types of housing are available.

Parameters

Axis:3

Orthogonal degree:≤±0.2°

Linearity:≤0.01%

Noise

Low noise version:≤6pTrms/Hz1/2@1Hz

Standard version:7~10pTrms/Hz1/2@1Hz

Normal version:11~20pTrms/Hz1/2@1Hz

(Note: This is the noise parameter of the sensor with the measuring range less than 100µT)

Band Width

DC~100Hz

DC~500Hz

DC~1KHz

DC~1.5KHz

Electrical Parameters

High voltage power supply: ±12V~±15VDC,±10V analog voltage output,

power consumption = 0.4W;

Low voltage power supply:±3.6V, ±2.5V analog voltage output, power consumption = 30mW;

Housing Type

Standard housing:30x30x120mm, 7-core waterproof joint(IP68), weight = 220g;

Non-magnetic interface housing: 28x32x82mm, D shape 9-core non-magnetic connector, weight = 150g.

Cube housing: 60x60x60mm, 7-core waterproof joint(IP68), weight = 335g, default external cable length = 0.5m;

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Fluxgate Gradient Sensor

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Introduction

The magnetic gradient sensor consists of two 3-axial magnetic sensors that are fixed on the same stable support beam at short distance. It also includes a data acquisition circuit, high temperature memory module, communication circuit, etc. This device uses two high-performance magnetic sensors with a certain distance to form a three-component horizontal gradient measurement.

Application

Geophysical exploration, underwater magnetic detection, buried object detection, urban underground pipeline positioning, target detection and positioning, etc.

Two three-component fluxgate sensors are installed on the horizontal base in parallel. The distance between the fluxgate sensors serves as the baseline distance of the gradient sensor. After 6-channel 24-bit AD conversion, the test data is stored in the internal memory module, and can then be uploaded synchronously through RS485 interface or CAN bus.

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