When the de-airing tank is connected to the vacuum pump, it produces de-aired water, used to measure pore pressure.
The de-airing tank consists of a perspex cylinder fitted with a water spray inlet, an air outlet and a water outlet in the lower part of the tank. A vacuum supply is connected to the air outlet and water is sucked into the cylinder in a fine spray via the water inlet. The vacuum de-airs the water .
Tank capacity: 20 litres
Dimensions: 320 x 320 x 520mm
Weight: 15kg
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A user guide is available to download from the Impact web site www.impact-test.co.uk