GAYATRI's make acrylic plastic Inclied Tube Manometer are precision instruments in inclined and vertical (Well Type styles for the measurement of static pressure, vacuum or different pressure, recommended where less than 1mm readings are required. Minimum divisions available are 0.5mm, 0.2mm, 0.1mm or as required. Utilize expanded scales for unusual sensitivity for fast, easy reading of low pressures, draft or small differential pressure.