Piston Sampler : ZI 3084
Useful for collecting undisturbed samples from soft to stiff clay and sand. Till the desired depth is reached the bottom of piston is kept flushed with the cutting edge of the sampler and on reaching desired depth only the sampling tube is forced into the soil keeping piston fixed in ground and then collecting the sample in the tube. The under pressure developed in the sampler while the sample tube advances, hold the collected sample.
SPECIFICATION :
The outfit consists of sampling tube, 55mm o.d., 580mm effective length piston, one piston connecting rod 1 mtr. Long and a drive head with check valve and adaptor for 'A' drill rod.
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