IRIS Instruments .

IRIS has been a world leader in the design and manufacture of geophysical instrumentation since 1989, when it was formed from the geophysical instrument manufacturing division of BRGM, the French Geological Survey.

Today, IRIS is 49% part owned by OYO a world leader in engineering geophysical surveys and technologies.

IRIS product range includes a suite of ground resistivity sounding and 2D and 3D imaging tools, in addition to their innovative Numis system, VLF systems, and other instruments for measurement of groundwater

The link below to IRIS Instruments home pages contain a wealth of downloads and applications notes,

Full data sheets on all Geometrics products are available, as are many instruction manuals, free applications software and software upgrades for your existing IRIS products.