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Home Sensors Fluxgate magnetometer LEMI-035 to measure Earth's magnetic field

Fluxgate magnetometer LEMI-035 to measure Earth's magnetic field

Description

LEMI-035 autonomous flux-gate magnetometer for 3-component measurement of Earth's magnetic field and its variations at laboratory as well as in geomagnetic observatory is produced on the base of flux-gate sensor, all three components of which are implemented in the same body. It consists of two units - sensor unit with adjustable support and electronic unit both connected by long cable. The electronics is implemented as “black box” unit with digital and analog output which may be connected to any analog registration unit. Low power consumption of the magnetometer requires small buffer battery what is convenient for long-term autonomous measurements in field conditions, where power breaks often occur.


LEMI-035 magnetometer

Technical specification

  • Measurement range ....................................................................... ± 70000 nT
  • Magnetic field variation range (w/o additional compensation) .............. ± 1000 nT
  • Analog output sensitivity ................................................................ 5 mV/nT
  • Analog output range ...................................................................... ± 4.8 V
  • Frequency band, 4th order Butterworth low-pass filter ....................... 0…20 Hz
  • Noise level at 1 Hz  ....................................................................... < 10 pT
  • Magnetic sensor components orthogonality error ............................. < 30 min of arc
  • Temperature drift ........................................................................... < 0.5 nT/°C
  • Operating temperature range minus ................................................ 20 to + 60°C
  • Power supply (external battery voltage) .......................................... 12+6-3 V
  • Power consumption ...................................................................... < 0.7 W
  • Thermometer measurement range ................................................. minus 100…+100°C
  • Thermometer resolution ................................................................ 0.01°C
  • Thermometer basic measurement error .......................................... 0.5%
  • Transformation factor ................................................................... 50 mV/°C
  • Format of data at the digital output (RS-232) ................................. ASCII
  • Baud rate: Stop bit – 1, Parity bit - None ...................................... 115200 baud
  • Data/power cable length .............................................................. 1.8 m
  • Analog outputs cable length ........................................................ 1.8 m
  • Flux-gate sensor cable length ..................................................... 10 m
  • Dimensions
    • electronic unit ...................................................................... 210 x 140 x 60mm
    • observatory sensor ............................................................... D = 210 mm, H = 160 mm
  • Weight
    • electronic unit ...................................................................... 0.5 kg
    • observatory sensor ............................................................... 3.3 kg

Areas of Application

LEMI-035 is high resolution and precision low noise magnetometer including both digital and analog outputs. Especially efficient for the precise measurement of Earth's magnetic field and its variations in harsh conditions, including super-low temperature (up to minus 60°C) option. Used in space on satellites.

Stage of Development

Magnetometer is already for the market

Contact Details

Valery Korepanov
Organization: Lviv Center of Institute of Space Research NASU-NSAU
Address: 5A, Naukova str. Lviv-060, 79000, Ukraine
(38-0322) 639163
This e-mail address is being protected from spambots. You need JavaScript enabled to view it

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