TMD 2630 An ISO 9001:2208 | ISO 14001:2008 | ISO 13485 WHO:GMP Products | GLP Compliant Products Weiber Manometer works on the principle of measuring the pressure of liquid or gas per inch in a U shaped tube. The tube is filled with a liquid; the level of liquid is dependent on fluid pressure and height of liquid. ACMAS TECHNOCRACY PVT. LTD. WORKING PRODUCT OVERVIEW www.measuring-meters.com | www.acmasindia.com | www.scientificlaboratoryequipments.com