The 3230DT combination machine ... designed with speed and power in mind ... features proven Geoprobe® direct push technology and a multi-speed drill head which allows it to stand alone in the technical drilling market.
The DT60 sampling system is the largest dual tube system from Geoprobe®. It boasts two innovative features that have patents applied for. It utilizes 6 in. OD percussion driven casing and collects a 4 in. diameter soil sample.