GeoMil Data Acquisition Unit GME 500


For conducting electrical Cone Penetration Tests (CPT) and Piezocone Tests (CPTU) as well as for mechanical CPT with electrical load sensing a reliable data acquisition system is required. The GME 500 is GeoMil's latest generation system, the result of continuous research & development and useful improvements.

The system combines all features required for testing: It powers the connected cone or measuring device, logs the various measuring channels, digitises and then synchronises all signals with the independent depth reading. All data strings are then tranfered in real-time via an RS 232 interface (or USB/serial port adapter) to the acquisition software CPTest© on the PC.

Electrical CPT data sheet

Schematic configuration of electrical CPT (click sketch for the Acrobat data sheet)

The GeoMil GME 500 replaces all former acquisition units (e.g. GME 400 and GMF MK series 60/200/300) and is compatible with all GeoMil electrical cones (both compression and subtraction type), electrical-mechanical measuring devices and environmental cones and best performing with GeoMil's CPTest© acquisition software.

It is designed to operate with any PC, with at least a 300 MHz Pentium processor and Windows 32 bit operation system.

Two versions of the GME 500 are available. An industrial 19” built-in unit for CPT trucks and cabin crawlers, powered with 110 - 230 Vac, and a portable IP65 protected unit for outdoor use such as for stand alone penetrometers, the GeoMil LWC-100 crawler or third party pushing systems. For utmost flexibility the IP65 version can be powered by both, 110 - 230 Vac and 12 - 24 Vdc.

The GME 500 provides a 10 and a 16 lead analogue input for the various analogue channels, plus digital inputs for the depth registration. Altogether 8 analogue and 4 digital channels can be processed simultaneously.

The GME 500 can also be used in combination with the CTU-200 device for field testing the actual against the calibrated cone values.

GME 500 features

GME 500 specs


For more information and technical details you can download the GME 500 data sheet or browse through available data sheets in our Download collection.
GME 500 19” & IP65 GME 500 in portable IP65 version (top) and in 19” industrial built-in version (bottom).

GME 500 in 19” rack GME 500 and industrial PC built in 19” rack providing also all control elements for sounding, jacking, motor control and further control gauges.

GME 500 IP65 GME 500 IP65 and Notebook PC in weather protective box as used for stand alone units, LWC rigs or special applications.


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