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Official account of Wechat
GTK (Shenzhen) Technology Co., Ltd.

Introduction

With the maturity of drone application technology, aerogophysical surveys, especially aeromagnetic measurement systems, are gradually using a large number of drone platforms. In an environment where geological environment and safety standards prohibit magnetic surveys by manned aircraft, drone magnetic detectors can undertake detection tasks based on the best terrain space and even provide better quality detection data.

The optically pumped magnetometer is a magnetometer based on the Zeeman splits generated by helium and other gases and atoms of alkali metals such as potassium, rubidium, and cesium in the external magnetic field, and developed using optical pumping and magnetic resonance technology. The optically pumped magnetometer is the most accurate magnetometer among mature commercial general field magnetometers. In order to be suitable for drone flight, our companyRubidium optical pump aeromagnetic measurement systemA chip-level atomic optical pump magnetometer implemented using micro-electromechanical technology integratesGPS, laser altimeter, 9-axis attitude sensor, barometric altimeter,

Using a mature multi-rotor drone platform, the comprehensive system is very cost-effective. Suitable for large-scale, drone aeromagnetic measurement in small areas of plateau and mountainous areas.

High-precision civil optical pump magnetometer

Ground static noise level: 0.01 nT (fourth-order difference method)

Resolution:0.0001nT

Sensitivity: 0.02nT/√Hz (0.1-100 Hzfrequency band, power spectrum)

Measurement dead zone: Single declination plane,± 7 degrees

Measuring range: 1000 nT - 100000 nT

Power supply and power consumption: 5V,3W

Operating temperature: -30C to +60C

Calibrating: No need

Probe size: 19x19x47 mm (probe)

Probe weight: 18 g (probe)/100g(frequency counter) (excluding connecting wires)

Response speed: 10000 nT/s

Maximum gradient tolerance: 1000 nT/cm

gas chamber medium: Rubidium


Micro multi-channel data collector(C)

CPU ARM Cortex-A53 1.2 GHz quad-core

Memory 1GB

Interface USB 2.0 interface 4 x USB Ports,GPS,10/100M Ethernet interface

Power input: 5V 2.5A

rated power: 800mAH(4.0W)

Overall size: 100 x 60 x 40mm

Weight:190.5g (excluding connecting wires)

Function: Data acquisition, optical pump aeromagnetic real-time compensation (requires the cooperation of fluxgate, etc.), vector fluxgatereal-time compensation

high precisionThe GPS receiving module collects geographical location information

9-axis accelerometer gyroscope attitude angle measurement module/barometer


Laser Altimeter

supply voltage 5V

average current ≤180mA Peak current ≤180mA

average power ≤0.9W Weight 77g

Range: 180m@90% reflectivity, 70m@10% reflectivity130m@90% reflectivity &100Klux, 50m@10% reflectivity &100Klux

Operating temperature -25~60℃ Storage temperature -40~85℃

Protection gradeIV IP67


(C)

DajiangDJI M600 Pro 6 rotor drone

Symmetrical motor wheelbase

1133 mm

External dimension

1668 mm×1518 mm×727 mm(propeller, boom,GPS The brackets are all deployed with landing gear)
437 mm×402 mm×553 mm(Arm,GPS The brackets are folded without landing gear)

Weight (including 6 block TB47S Battery)

9.5 kg

Weight (including 6 block TB48S Battery)

10 kg

Recommended maximum takeoff weight

15.5 kg

hover accuracy (P-GPS)

Vertical: ±0.5 m, level:±1.5 m

maximum rotational angular velocity

Pitch axis: 300°/s, heading axis:150°/s

maximum pitch angle

25 °

maximum rising rate

5 m/s

maximum descent speed

3 m/s

Maximum tolerable wind speed

8 m/s

Maximum horizontal flying speed

65 km/h(Windless environment)

Hover time *(6 block TB47S Battery)

No load: 32 minutes, load 6 kg:16 min

maximum takeoff altitude

2170R paddle:2500 m

2195 paddle: 4500 m

Hover time *(6 block TB48S Battery)

No load: 38 minutes, load 5.5 kg:18 min

Operating frequency

920.6 to 928 MHz(Japanese version),5.725 to 5.825 GHz(Non-Japanese version),2.400 to 2.483 GHz

Maximum communication distance (no interference, no obstruction)

5 km(FCC model),3.5 km(CE model)












Introduction

With the maturity of drone application technology, aerogophysical surveys, especially aeromagnetic measurement systems, are gradually using a large number of drone platforms. In an environment where geological environment and safety standards prohibit magnetic surveys by manned aircraft, drone magnetic detectors can undertake detection tasks based on the best terrain space and even provide better quality detection data.

The optically pumped magnetometer is a magnetometer based on the Zeeman splits generated by helium and other gases and atoms of alkali metals such as potassium, rubidium, and cesium in the external magnetic field, and developed using optical pumping and magnetic resonance technology. The optically pumped magnetometer is the most accurate magnetometer among mature commercial general field magnetometers. In order to be suitable for drone flight, our companyRubidium optical pump aeromagnetic measurement systemA chip-level atomic optical pump magnetometer implemented using micro-electromechanical technology integratesGPS, laser altimeter, 9-axis attitude sensor, barometric altimeter,

Using a mature multi-rotor drone platform, the comprehensive system is very cost-effective. Suitable for large-scale, drone aeromagnetic measurement in small areas of plateau and mountainous areas.

High-precision civil optical pump magnetometer

Ground static noise level: 0.01 nT (fourth-order difference method)

Resolution:0.0001nT

Sensitivity: 0.02nT/√Hz (0.1-100 Hzfrequency band, power spectrum)

Measurement dead zone: Single declination plane,± 7 degrees

Measuring range: 1000 nT - 100000 nT

Power supply and power consumption: 5V,3W

Operating temperature: -30C to +60C

Calibrating: No need

Probe size: 19x19x47 mm (probe)

Probe weight: 18 g (probe)/100g(frequency counter) (excluding connecting wires)

Response speed: 10000 nT/s

Maximum gradient tolerance: 1000 nT/cm

gas chamber medium: Rubidium


Micro multi-channel data collector(C)

CPU ARM Cortex-A53 1.2 GHz quad-core

Memory 1GB

Interface USB 2.0 interface 4 x USB Ports,GPS,10/100M Ethernet interface

Power input: 5V 2.5A

rated power: 800mAH(4.0W)

Overall size: 100 x 60 x 40mm

Weight:190.5g (excluding connecting wires)

Function: Data acquisition, optical pump aeromagnetic real-time compensation (requires the cooperation of fluxgate, etc.), vector fluxgatereal-time compensation

high precisionThe GPS receiving module collects geographical location information

9-axis accelerometer gyroscope attitude angle measurement module/barometer


Laser Altimeter

supply voltage 5V

average current ≤180mA Peak current ≤180mA

average power ≤0.9W Weight 77g

Range: 180m@90% reflectivity, 70m@10% reflectivity130m@90% reflectivity &100Klux, 50m@10% reflectivity &100Klux

Operating temperature -25~60℃ Storage temperature -40~85℃

Protection gradeIV IP67


(C)

DajiangDJI M600 Pro 6 rotor drone

Symmetrical motor wheelbase

1133 mm

External dimension

1668 mm×1518 mm×727 mm(propeller, boom,GPS The brackets are all deployed with landing gear)
437 mm×402 mm×553 mm(Arm,GPS The brackets are folded without landing gear)

Weight (including 6 block TB47S Battery)

9.5 kg

Weight (including 6 block TB48S Battery)

10 kg

Recommended maximum takeoff weight

15.5 kg

hover accuracy (P-GPS)

Vertical: ±0.5 m, level:±1.5 m

maximum rotational angular velocity

Pitch axis: 300°/s, heading axis:150°/s

maximum pitch angle

25 °

maximum rising rate

5 m/s

maximum descent speed

3 m/s

Maximum tolerable wind speed

8 m/s

Maximum horizontal flying speed

65 km/h(Windless environment)

Hover time *(6 block TB47S Battery)

No load: 32 minutes, load 6 kg:16 min

maximum takeoff altitude

2170R paddle:2500 m

2195 paddle: 4500 m

Hover time *(6 block TB48S Battery)

No load: 38 minutes, load 5.5 kg:18 min

Operating frequency

920.6 to 928 MHz(Japanese version),5.725 to 5.825 GHz(Non-Japanese version),2.400 to 2.483 GHz

Maximum communication distance (no interference, no obstruction)

5 km(FCC model),3.5 km(CE model)












Optical pump aeromagnetic system for multi-rotor drone