Universal Permeability
IS 2720 (PART XVII)
Specification:
Same as but instead of a set of three glass stand pipes a stand
with nine glass tubes of 6mm, 10mm, 20mm, 25mm, 40mm,
50mm, 60mm, 70mm, 75mm, bore tube is provided with over
flow arrangement for constant head tests. The remaining
tubes are used for falling head test.