The Model 14 System is designed for light duty use without electricity. Hardened, hollow steel shafts are driven into the ground using a slide hammer. After completing sampling activities, the probe is removed by reverse driving with the slide hammer or is extracted with a retrieval jack. The shafts are made of nickel plated, hardened alloy steel (stainless steel systems are available) and are connected with internal threaded nipples providing a smooth exterior coupling and eliminating excess friction during shaft insertion or removal.
* Patent #4804050
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