Make the vacuum into the soil solution samplers (ref. SPS 200). Preparation of tensiometer tubes (ref. SMS 200, ref. STM 2150, ref. TENSIONIC, etc)
Vacuum pump for use with soil water sampling tubes Ø:31mm & 63mm, ref. SPS 200.
It is made with high quality materials (brass, rustproofed metal, stainless steel) and should be used with short tubes (50cm length maxi).
Vacuum vol. : approx. 50 cm3.
The SPS 400 vacuum pump is delivered complete with a bourdon type manual manometer fixed to the body of the equipment
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