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Miniature Optical Pump Magnetometer Aeromagnetic System

Miniature Magnetometers and data acquisition system totally weight: 700g

Optical Pump Magnetometer Technical Specifications

Atomic species:          Rubidium 

Field Sensitivity:          <1 pT/√Hz in 0.1-100 Hz band
Deadzone:                   single equatorial plane, ± 7 deg
Heading error:             below 3 nT (uncompensated)
Dynamic Range:         1000 nT to 100000 nT
Power:                         5V , 2 W total (sensor+electronics), 3W during startup
Calibration:                  none required
Outputs:                       USB
Dimensions:                19x19x47 mm (sensor)
Weight:                        18 g (sensor)
Slew rate:                    10000 nT/s
Max gradient:              1000 nT/cm
Max data rate:     400 samples/s sensor output directly,10 samples/s for surveying system
Operating temperature range:   -30C to +60C 



PDF documents for downloading: click here

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Related parts: 

GPS accuracy: 2.5m/0.02m(RTK)

Data Acqusition Unit  

  • 4 ARM Cortex-A53, 1.2 GHz CPU computer with 24 bit high speed ADC data converter
  • USB Key for data logging storage

9 DOF IMU Attitude Sensor

  • Resolution: Acceleration: 6.1e-5g, Angular velocity: 7.6e-3 ° / s.
    Stability: Acceleration: 0.01g, angular speed 0.05° / s.
    Attitude stabilization measurement: 0.01 °. 
  • 4 ARM Cortex-A53, 1.2 GHz CPU computer with 24 bit high speed ADC data converter
  • USB Key for data logging storage

Wireless Telemetery 

  • Digi XBee-PRO 900HP
  • Range (LoS) with high gain antenna: Up to 9 miles
  • Transmit Power: 250 mW (24 dBm)