Control devices offers well type single limb manometers. This instrument is generally used for precision measurement of pressure, vacuum, differential pressure, flow and liquid levels. These are available in single tube or multiple tube versions. All scales are graduated, engraved on milky white acrylic plastic filled with black colour. The manometers are calibrated in mm/inches of hg, mm/inches of water, kg/cm2 psig, bar and mbar. Three valve and five valve manifolds, catch pot, check valve and vernier with magnifying glass arrangement can be provided with the manometer.