Windowless samplers are designed to produce high quality samples at different depths. One of its main uses is the study of contaminated soils.
The samplers are driven into the ground, by beating. The system allows the simultaneous advancement of the casing avoiding the hole from collapsing when drilling deeper.
TECSO samplers are manufactured from cold-drawn, seamless, high-strength steel.
They can incorporate a rigid and transparent plastic tube and a special shoe with retaining ring. This allows the samples to be recovered quickly and easily and prevents contamination of the same. They also help with the presentation of the sample and allow easy transportation.
If drilling in unconsolidated soil, a basket spring can be added to help retain the sample inside the tube.
The set is completed with the rods of diameter 54. Suitable to resist the impact and transmit it to the sample-holder.