Magnetometers Schonstedt GA72 CD Fluxgate Magnetometer - Line locators


The GA-72Cd Locator detects the magnetic field of iron and steel objects. It provides audio detection signals that peak in frequency when the locator’s tip is held directly over the target. The GA-72Cd has the option of nulling or peaking.


No. 1 Around the World in Performance and Reliability

Only two Controls! Designed for one-hand operations, the On/Off-Sensitivity and Volume controls are located on the underside of the cover on both locators. This provides easy access, protects the knobs and contributes to their overall ruggedness and dependability.

  • Most Rugged
  • Most Popular for UXO and Demining Applications
  • Audio & Visual Output
  • Battery & Sensitivity Indicators
  • Choice of Two Audio Modes: Peak or Null response
  • 4 Levels of Sensitivity
  • 3-digit LCD readout
  • Signal Strength and Polarity Indications
  • No response to aluminum, brass, or copper
  • Patented HeliFlux® sensors
  • Modular construction; high performance components

GA-72Cd Specifications

Audio OutputSwitch at “A” Signal increases or decreases in volume with gradient-field intensity
Switch at “B” Signal increases or decreases in frequency with gradient-field intensity.
Video OutputDigital readout and expanding bar graphs indicate polarity (+ or-) and relative
strength of the magnetic field.
Input PowerSupplied by two 9V lithium batteries
Battery Life60 Hours (intermittent usage)
Battery Check4-segment LCD BATT indicator
OutputApproximately 40 Hz audio tone on speaker.
Tone frequency increases or decreases with gradient-field intensity.
WeightApproximately 2.5 lb (1.14 kg)
Operating Temp-13° to 140°F (-25° to 60°C)
Overall Length34.5 in. (87.6 cm)
Waterproof Length21 in. (53.3 cm)
Nominal Sensor Spacing14 in. (35.6 cm)
ConstructionRugged, all solid state, polycarbonate & ABS casing


45 X 6 X 4 inches


7 lbs

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