About Us

A History of L and R Instruments

From 1986 through April of 1998, John Fett was owner and manager of LaCoste and Romberg Gravity Meters, Inc. located in Austin, Texas. It had been a long time plan to move west to a drier climate with more opportunities for outdoor recreation. With this in mind, L and R Instruments was formed as a Nevada Corporation in 1996 and work was started on the design of new geophysical instruments. We have an interest in the design of several types of geophysical instruments. The first instrument designed and put into production was a low-cost earth resistivity instrument, the MiniRes. LaCoste and Romberg was sold on April 30th of 1998 and John Fett and L and R Instruments moved to Incline Village, Nevada.

This past summer (2009), John passed away. His daughters, the chief scientist, and the production team, are committed to carry on his work. We are proud to offer the rugged, lightweight, Ultra MiniRes with a built in transmitter that operates at 2.5 Hz, and with output options for 2 and 20 mAmps, for use on resistivity and IP surveys.

The MiniRes product line has traditionally extensively field tested before a final production design was completed. Field testing includes over a half year of rental of prototypes to projects with various climates and field conditions. This also provides a rugged test of the effects of dozens of cross-country shipments.

Successively more powerful versions of the MiniRes have been introduced since July of 1999. The Ultra MiniRes is now available. The adaptability of this new system, allows users to choose frequencies, amperage, and voltage outputs that are aligned with the survey design, target depth, ground conditions, and cultural considerations. Whether a survey is looking for buried utilities and tanks in a city environment, variability in ground water conditions, or structures and alteration associated with resource exploration or environmental studies, we think you'll find this new flexibility to be an incredible asset.


 

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L and R Instruments, Inc.
P O Box 5989, Incline Village, NV 89450, USA

Phone 775-833-1212                                    FAX 775-833-2388

Email: fett@LandRinstruments.com                   www.LandRinstruments.com


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