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NordicEM24

NordicEM24

EM Receiver and Tx Controller

User friendly, reliable and robust, Instrumentation GDD inc. introduced the new leading-edge NordicEM24 8 channels, 24-bit EM Receiver for ground electromagnetic survey.

 

NordicEM24

EM Receiver and Tx Controller

User friendly, reliable and robust, Instrumentation GDD inc. introduced the new leading-edge NordicEM24 8 channels, 24-bit EM Receiver for ground electromagnetic survey.

Buy or rent this Instrument


Developed during the last four years, it has been successfully field tested with different sensors; dB / dt (coil) and B-field (LT and HT squid, Fluxgate) by experienced geophysicists from a major mining company in different geological and meteorological conditions. Also, it has been developed for mineral exploration as well as groundwater studies and geotechnical investigations.

Features

  • TDEM survey
  • Detachable touch screen with on screen keyboard
  • Commercial field surveys are being underway with LT squids
  • Full waveform recording with 24-bit ADCs
  • Up to 8 input channels with ADC and amplifier
  • Download data via USB
  • Display scope, stacked data, profiles and decays
  • Post-processing data software: to view, validate and correct measured data
  • Tested with different sensors : dB / dt (coil), B-field (LT et HT SQUID, Fluxgate)
  • Standard ASCII data file formats: AMIRA format compatible with Maxwell® software
  • Components and wiring built to work down to -40o C
  • Integrated internal GPS antenna or crystal synchronisation between EM Receiver and Transmitter Controller
  • Applications: base metals exploration (Cu, Ni, Zn, Pb...), groundwater exploration, geotechnical investigations, saltwater intrusion into aquifers research, contaminated water mapping (mine tailings) and other related fields.
 

Contrôleur Tx NordicEM24

NordicEM24-data

NordicEM24-field

NordicEM24-winter

NordicEM24 Downhole EM survey Using Geonics BH43-3D Probe

 
SPECIFICATIONS – EM RECEIVER
Total weight 20.4 kg
Total dimension 60 x 41 x 23.5 cm
Operating temperature range -40° C to +50° C 
(-40° F to +122° F)
Input channels 3 channels / option : 8 channels on request
V Max input level ± 3.28 V on gain de 1 ± 0.41 on gain 8
Bandwidth Up to 60 kHz
Operating system Windows Embedded Standard 7
Time windows Various standard windowing or use defined
Input impedance 2 MΩ
Display 10.4’’ SVGA Resolution (800 x 600), heater
Data storage 64 GB SSD
Compatibility Coil and drilling surface (Geonics), LT SQUID and HT SQUID (Supracon), HT SQUID (Landtem) and Fluxgate (EMIT)
Battery Four Lithium-Ion batteries
Battery life 11hrs of operations (with 3 active channels at 20° C) 7.5hrs of operations (with 3 active channels at -25° C)
SPECIFICATIONS – TX CONTROLLER
Total weight 13.4 kg
Total dimension 53 x 38 x 21 cm
Synchronisation GPS and crystal
Duty cycle 50%
EM Transmitter compatibility Geonics, Zonge, Phoenix and others
Base frequency range 0.03125 to 30 Hz (50 Hz or 60 Hz selection)
Battery Two Lithium-Ion batteries
Battery life 11hrs of operations (with 3 active channels at 20° C) 
7.5hrs of operations (with 3 active channels at -25° C)

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