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Interball Magnetometer FGM-1
/ en / projekte / interball / fgm1 /

INTERBALL

Magnetometer FGM-1

The main technical parameters

Flux gate magnetometer

Sensor noise level : 0,005nT/sqrt Hz at 1 Hz

---------------------------Frequency range: -- Dynamic range: -- Resolution
Analogue telemetry (RTK) . . . . . . . . . . . 0 - 25 Hz . . . . . . . ±128 nT . . . . . . . . 1,0 nT
Digital telemetry (OPERA,SSNI) . . . . . . 0 - 6 Hz . . . . . . . ±256 nT . . . . . . . . 2,0 nT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±32 nT . . . . . . . 0,25 nT

Current probe

Split probe sensor FM-2 :

Sensor surface : 2 x 50 cm²

Sensitivity :

  • on the output of the FGM-I experiment : 10,66 mV/nA
  • on the MIF-M output : 2,13 mV/pA 20 * 10-15 A/cm²/sqrt Hz
Frequency range : 0 - 0.01 Hz -20 dB
. . . . . . . . . . . . . . 0,01 - 20.000 Hz -3 dB

Mass budget:

  • DM-1 : 181 g
  • BE-DM-1 : 323 g
  • Thermal cover DM-1 : 26 g
  • Thermal cover BE-DM-1 : 46 g
  • Split probe sensor BD-7a : XX g

Overall mass : 576 g

Power consumption ±27 volts :

  • nominal : 42 mA
  • maximal : 60 mA

Dimensions :

  • DM-1 : 189 x 46 x 40 mm
  • BE-DM-1 : 150 x 60 x 42 mm
  • BD-7a : Ø45 mm, length : XXX mm

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