The EM61 is a high sensitivity, high resolution, time domain metal detector suitable for the detection of both ferrous and and non-ferrous metal. Typical target response is a single, sharply defined peak, facilitating quick and accurate determination  of location. Achievable depth of detection will depend on several target characteristics with the surface and orientation of the target and depends of the importance. A single 200L (55gal.) drum can be detected at 3m depths.

Compare to the previous-standard EM61-MK2, the EM61-MK2A provides the same features and performance specifications. The difference
between this models are ergonomic :

A-model :

  • does not include a backpack for system components
  • the electronics console is mounted ont he U-handle
  • Battery location : centre of the coils


Technical Specifications

EM Source
Air-cored coil, 1 x 0.5 m size

Current Waveform
Unipolar rectangular current with 25% duty cycle

Power Source
12 V rechargeable battery for 4 h continuous operation

Weights & Dimensions
41 kg trailer mode;
100 x 50 x 5 cm (bootom),
100 x 50 x 2 cm (top)


EM Sensors
1. Main: Air-cored coil, 1 x 0.5 m in size, coincident with EM source
2. Focusing: Air-cored coil, 1 x 0.5 m in size, 30 cm above main coil

Output Monitor
Windows Mobile PDA or Windows Computer

Data Output
RS232 – serial port, Bluetooth

Measured Quantities
Four time gates of secondary response in mV

Data from mutiple time gates – three or four, user-selectable – are recorded to provide a description of the response decay rate, supporting both the characterization and limited discrimation of targets. Data collection is supported by the DAS70-AR Data Acquisition System.