Dwyer 2-5000-25MM Minihelic II Differnntial Pressure Gauge 0 - 25 MM WC

dwyer 2-5000-25mm minihelic ii differnntial pressure gauge 0-25 mm w.c
model: 2-5000-25mm
housing is molded from strong mineral and glass filled nylon. Pointer stops of molded rubber prevent pointer over travel without damage.
description
dwyer 2-5000-25mm minihelic ii, differential pressure gauge, 0/25mm

• housing is molded from strong mineral and glass filled nylon.
• pointer stops of molded rubber prevent pointer over-travel without damage.
• full view lens is removable and molded of tough acrylic.
• aluminum scale litho-printed black on white, enhances readability.
• red tipped aluminum pointer, rigidly mounted to helix is easy to see.
• wishbone assembly provides mounting for helix, helix bearings, and pointer shaft.
• jewel bearings provide virtually friction-free helix motion.
• helix is free to rotate in jewel bearings. It aligns with magnetic field of magnet to transmit pressure indications to pointer.
• zero adjustment screw, located behind the removable lens, eliminates tampering.
• range spring calibration clamp fixes live length of spring for proper gauge calibration and is factory set and sealed.
• silicone rubber diaphragm allows accurate response to a broad range of temperatures and at extremely low pressure. Incorporates blow out area for overpressure protection.
• diaphragm support plates of lightweight aluminum on each side of the diaphragm minimize position or attitude sensitivity and help define pressure area.
• flat leaf range spring reacts to pressure on the diaphragm. Live length is adjustable for calibration. Small amplitude of motion minimizes inaccuracies and assures long life.
• low pressure tap connects to rear chamber.
• coil spring link provides a resilient connection between the diaphragm and the range spring.