Minihelic® II Differential Pressure Gauge, Dial Diameter, 2-1/16", Pressure Range, 0 - 5 in. w.c., Connection, Panel Mount, Dial Type, Analogue, Lens Material, Acrylic

SKU: HA791

MFG: DWYER

Sold in multiples of 1

• Connection
• Panel Mount
• Dial Type
• Analogue
• 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
• Precision litho-printed scale is accurate and easy to read
• Red tipped pointer of heat treated aluminum tubing is easy to see
• "Wishbone" assembly provides mounting for helix, helix bearings and pointer shaft
• Jewel bearings provide virtually friction-free motion for helix
• Helix is free to rotate in jewel bearings and 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 at extremely low pressure and 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
• Low pressure tap connects to rear chamber