The Transient Electromagnetic (TEM) method

TEM offers good penetration of conductive overburden and is increasingly popular for hydrogeological purposes as well as general geological mapping and mineral exploration. Since there is no requirement for galvanic ground contact, data can be collected in high resistivity surficial zones and in areas covered by ice or exposed rock.

Advanced TEM made easy

ABEM WalkTEM is derived from the airborne SkyTEM helicopter system, sharing the technology. While SkyTEM covers large areas, ABEM WalkTEM offers more accurate resolution of fine details in geology. With a set of predesigned protocols, ABEM WalkTEM quickly switches between different tasks. A variety of transmitter loop sizes provides good scalability for the project at hand.

Data collection is complete in a few minutes

With its unique acquisition technology, ABEM WalkTEM accurately resolves a wider span of signals, covering both deep and more near-surface data in one go, greatly improving field survey efficiency. A high level of integration means less carrying and setup. Powerful on-board processing software takes the guessing out of field surveys as a resistivity layer model can be produced within a minute after a measurement has been conducted.

New booster option for even deeper soundings

The new ABEM TX-60 is an optional external booster that further widens the ABEM WalkTEM’s application area. With up to 60 A output current it enables even deeper soundings with larger transmitter loops.

  • Easy to handle standalone system
  • Fast setup, field effective operation and processing directly on site
  • Dual moment measuring technique enables high resolution data from both large and shallow depths
  • Intuitive graphical user interface, easy to switch between pre-installed protocols, integrated easy-to-use processing software
  • Dual channel input utilizes dual antennas working simultaneously
  • High level of integration – a rapid turn-off transmitter, dual channel receiver and computer in one rugged and portable platform
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