간이식 변수위 투수시험기 Popular Type Variable Permeability Tester

Model	STM-SO-521
Permeability Mold	Ø100×127㎜
Wire Screen	#40(420㎛)-1ea #200(74㎛)-2ea
Stand Pipe	Ø10×100㎜ Scaled glass tank
Water Tank	Steel coating
Tamper	Ø25㎜(Rubber attachment)