Shenzhen Kerei Technology Development Co., Ltd
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GR100 digital three-axis flux gate gradient meter, magnetic field gradient measuring instrument
Description: • Single dual magnetic field sensor and gradient output; • Gradient noise • Baseline 750mm or 1000mm; • Measurement range ± 100 μ T.
Product details

Tags: Flux Gate Gradienter, Flux Gate Magnetic Gradienter, Magnetic Field Gradienter, Magnetic Field Gradienter, Gradient Magnetometer

Provide professional magnetic field measurement solutions

Strong magnetic field measuring instrument(0 - 20T)

model

principle

type

number of axles

DCaccuracy

maximum range

Highest resolution

X113

hall

hall sensor

1

<>

15T

TC: 30ppm/K

G80

hall

handheld

1

2%

2T

10μT

G81

hall

handheld

1

0.8%

10T

1μT

G82

hall

handheld-high frequency

1

0.8%

10T

1μT

G83

hall

handheld

3

0.8%

10T

1μT

G92

hall

handheld

1

1%

10T

10μT

G93

hall

handheld

3

1%, 0.5%

20T

1μT

G201

hall

Desktop computer

1

0.2%

10T

1μT

G203

hall/reluctance

Desktop computer

3

0.2%

10T

10nT

G401

hall

Desktop computer

1

0.04%

10T

1μT

G403

hall

Desktop computer

3

0.04%

10T

1μT

GSP301A

hall

Analog transmitter

1

1%, 0.2%

10T

Output: ±3V

GSP301D

hall

Digital transmitter

1

1%, 0.2%

10T

1μT

GSP303D

hall

Digital transmitter

3

1%, 0.2%

20T

1μT

GSP303D-S

hall

Digital transmitter

3

0.5%, 0.1%

3T

1μT

Magnetic field testing system

GAS3000

Array magnetic field detection system, synchronous detection up to128The magnetic field at a certain location

GMS980

High precision Gaussian meter calibration system (High precision Tesla meter calibration device)

Weak magnetic field measuring instrument(0- 2mT)

Weak magnetic field Gaussian meter

model

principle

type

number of axles

DCaccuracy

maximum range

Highest resolution

GMR61

reluctance

handheld

1

0.8%

600μT

10nT

GMR63

reluctance

handheld

3

0.8%

600μT

10nT

GF601

fluxgate

handheld

1

0.5%

1mT

0.1nT

GF603

fluxgate

handheld

3

0.25%

1mT

0.1nT

GF633

fluxgate

Desktop computer

3

0.1%

100μT

0.01nT

GFP703

fluxgate

Smart Transmitters

3

0.5%

1mT

0.1nT

GFP703S

fluxgate

Spectrum analyzer

3

0.5%

1mT

0.01nT

GFP803

fluxgate

Smart Transmitters

3

0.2%

1mT

0.1nT

Communication magnetic field measurement(DC- 1MHz)

model

principle

type

number of axles

ACaccuracy

maximum range

frequency response

AMS-2K

alternating current coil

Analog sensor

1

1%

3mT

30Hz- 2kHz

AMS-1M

alternating current coil

Analog sensor

1

1%

3mT

2kHz- 1MHz

G1000

reluctance

Smart Transmitters

3

DC- 1% AC- 2%

400μT/ Axis

DC- 1MHz

GA1000

reluctance

handheld

3

2%

400μT/ Axis

30Hz- 1MHz

GSP301HFA

reluctance

Analog transmitter

1

1%

150μT

20Hz-1.2MHz

GSP303HFA

reluctance

Analog transmitter

1

1%

150μT

20Hz-1.2MHz

fluxgate sensor

model

principle

type

number of axles

noise level

maximum range

output

F901

fluxgate

Economic type

3

10 to 20pT

1000μT

±10V,single-ended

F902

fluxgate

low noise

3

<>

100μT

±10V,single-ended

F903

fluxgate

low-power consumption

3

10 to 20pT

200μT

±3V,finite difference

F904

fluxgate

low-power consumption|low noise

3

<>

100μT

±3V,finite difference

F905

fluxgate

high-performance|low noise

3

<>

100μT

±10V,single-ended

F23

fluxgate

split type|large range

3

<>

1500μT

±10V,single-ended

F53

fluxgate

High temperature type

3

≤ 300pT@175

100μT

±5V,finite difference

Magnetic flux gate sensor data acquisition unit

FDU301

Connectable1A three-axis flux gate sensor

ASA1000

Connectable2-126A single axis flux gate sensor or2-42A three-axis flux gate sensor

AFS

Array flux gate sensor detection system, capable of connecting multiple flux gate magnetic field transmitters

GMR-16

Micro weak magnetic field sensor array, capable of synchronous acquisition2-16Data from a miniature weak magnetic field sensor

GR100

Digital three-axis flux gate gradiometer (gradient magnetometer)

remarks:

1Magnetic field unit conversion:1T= 10kG; 1mT= 10G; 1μT= 10mG; 1nT= 10μG

2Click on the left side of the table abovemodelYou can refer to the product information of the corresponding model


---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

sketch:

GR100The digital three-axis flux gate gradiometer can provide high-resolution vector magnetic field measurement for tracking land or water (deep diving)200mThe direction of abnormal phenomena and the corresponding magnetic field strength obtained. due toGR100The digital three-axis flux gate gradiometer has very small orthogonal errors and can perform scalar measurements after digital correction.

GR100The digital three-axis flux gate gradiometer adopts synchronization6road24High precision positioningADCand0.25ppmHigh stability benchmark source, internally integrated2A high-precision flux gate sensor and calibrated the angle(<>linear measure)And temperature coefficient(<±20ppm>±20ppm>Pioneering design5VDC 1APower supply, convenientGR100Through an external power bank or computerUSBOral power supply; Optional accelerometer8GMemory card andGPSModule, convenient for users to conduct long-term testing in the field.

GR100The digital three-axis flux gate gradiometer can be integrated into multi-sensor arrays or used separately to measure hidden anomalies underground(For example, archaeological interference, geological features, pipelines, cables, waste oil drums, unexploded ordnance, and signs of human activities)The subtle magnetic field changes caused.

characteristic

Separate dual magnetic field sensor and gradient output

USBDigital Output

Provide upper computer software

5VDC 1Apower supply

Gradient noise<80ptrms hz/m='' 1hz=''>80ptrms>

baseline750mmperhaps1000mm

measuring range±100μT

AccelerometerGPSOptional storage card

orthogonality<>linear measure

temperature coefficient<±20ppm>±20ppm>



Typical applications

-Detecting items such as unexploded ordnance through surface or underground surveys(UXO)Waiting for buried magnetic anomalies.

-Geophysical investigation of archaeology and mineral exploration.

-DetectionLocation of pipelines and cables.

-Magnetic field detection.

-Ship detection.





Upper computer software



GR100Parameters of three-axis flux gate gradiometer


model

GR100

Gradienter - Performance Parameters

output

Digital USB output, including:

• Three axis magnetic field gradient data

• Data from three-axis magnetic field sensors

• Data from three-axis accelerometer

GPS data (optional)

output rate

1~1000sps

number of axles

3-axis

Baseline between 2 sensors

750mm or 1000mm or customized

Bandwidth (-3dB)

200Hz

Measurement range

±100μT

maximum gradient

±200μT

Gradient measurement noise

<80ptrms hz/m='' at='' 1hz=''>80ptrms>

temperature coefficient

<>

Warm-up time

30mins

Orthogonality error

< 0.1°=''>

linearity error

<>

hysteresis

<>

data conversion

6-channel synchronous 24 bit ADC

Data Storage

8GB storage card (optional)

operation temperature

-20°C ~ +60°C

storage temperature

-20°C ~ +75°C

Magnetic Field Sensor - Performance Parameters

number of axles

3-axis

Bandwidth (-3dB)

>1kHz

noise

≤10pTrms/√Hz at 1Hz

Start Time

150ms

Warm-up time

30mins

zero error

≤±5nT

Zero drift temperature coefficient

±0.3nT/℃

temperature coefficient

≤±20ppm/℃

Orthogonality error

<>

linearity error

<>

hysteresis

<2nt =''>2nt>

Accelerometer - Performance Parameters

number of axles

3

Range of each sensor

±5g

update rate

1-1000Hz

resolution

1mg

Offset error

±50mg

accuracy

<>

temperature coefficient

±0.2mg/℃

Orthogonality error

±1°

Mechanical specifications


GR100L

size

750mm baseline

1000mm baseline

Ø50 x 850mm

Ø50 x 1100mm

weight

750mm baseline

1000mm baseline

1.6kg

1.9kg

Housing material

Carbon fiber and PEEK

Cable Length

2m (length can be customized according to customer requirements)

Electrical specifications

Voltage input

5VDC (can be powered by an external power bank)

power consumption

<>

Digital Output

USB



Selection description of three-axis flux gate gradiometer



GR100

1000

L

AGS

Digital three-axis flux gate gradiometer

GR100 –range±100μT

baseline(Distance between two magnetic field probes)

750 – 750mm

1000 – 1000mm

Packaging type

L –Land type(IP67)

S –Deep diving version(IP68, underwater200m)

Module Options (Multiple Choice)

A –accelerometer

G – GPS

S –memory card(8G)

give an example:GR100-1000-L-AGSIt is a built-in accelerometer moduleGPSModules and8GThe baseline length of the digital three-axis flux gate gradiometer for memory cards is1000mm, using land type(IP67)Encapsulation.















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