Series 2-5000 Minihelic II Differential Pressure Gage Wholesaler

Series 2-5000 Minihelic II Differential Pressure Gauge

Minimum Order Quantity	10 Number
Brand	Dwyer USA
Measuring Range	Series 2-5000
Model Name/Number	Series 2-5000
Usage/Application	Duct
Connection	New
Housing	Glass Filled Nylon Polycarbonate Lens
Service	Air and Compatible Gases
Accuracy	+-5% of FS at 70 DegreeF (21.1 DegreeC)
Pressure Limits	30 psig (2.067 bar) continuous to either pressure connection
Mounting Orientation	Diaphragm in Vertical Position
Weight	6 oz (170.1 g)
Agency Approvals	Meets the technical requirements of EU Directive 2011/65/EU (RoHS II)

Series 2-5000 Minihelic II Differential Pressure
Gage

Combining High Accuracy, Compactness, Dependability, and Low CostCombining clean design, small size and low cost with enough accuracy for all but the most demanding applications our Series 2-5000 Minihelic® II Differential Pressure Gage offers the latest in design features for a dial type differential pressure gage. It is our most compact gage but is easy to read and can safely operate at total pressures up to 30 psig

Product Applications:

Room Positive Pressure Sensing
Local Indication on Filter Status
Face Velocity on Fume Hood
Duct Pressures
Cabinet Air-Purging
Medical Respiratory Equipment
Air Samplers
Electronic Air Cooling Systems
Laminar Flow Hoods

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

Minimum Order Quantity	12 Number
Brand	Dwyer USA
Measuring Range	0 – 25 MM WC
Model Name/Number	2-5000-25MM
Usage/Application	Duct
Material	Glass Filled Nylon Polycarbonate Lens
Accuracy	+-5% of FS at 70 DegreeF (21.1 DegreeC)
Weight	6 oz (170.1 g)
Dial Size	67 MM

Dwyer 2-5000-25MM Minihelic II Differnntial Pressure Gauge 0-25 MM W.C Housing Is Molded From Strong Mineral And Glass Filled Nylon. Pointer Stops of Molded Rubber Prevent Pointer Over Travel Without Damage.

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.
Ceramic magnet mounted on a molded bracket at the end of the range spring rotates the helix without direct mechanical linkage.
High pressure tap connects with the front chamber through passageway in the plastic case and a sealing ring molded into the edgeof the diaphragm.

Dwyer 2-5000-50MM Minihelic II Differential Pressure Gauge 0-50 MM WC

Minimum Order Quantity	10 Number
Brand	Dwyer USA
Measuring Range	0-50 MM WC
Model Name/Number	Dwyer 2-5000-50MM
Usage/Application	Duct
Material	Glass Filled Nylon Polycarbonate Lens
Accuracy	+-5% of FS at 70 DegreeF (21.1 DegreeC)
Weight	6 oz (170.1 g)
Size	67 MM

Dwyer 2-5000-50MM Minihelic II Differnntial Pressure Gauge 0-50 MM w.c Housing Is Molded From Strong Mineral And Glass Filled Nylon. Pointer Stops of Molded Rubber Prevent Pointer Over Travel Without Damage.

Dwyer 2-5000-50mm Minihelic Ii, Differential Pressure Gauge, 0/50mm

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.
Ceramic magnet mounted on a molded bracket at the end of the range spring rotates the helix without direct mechanical linkage.
High pressure tap connects with the front chamber through passageway in the plastic case and a sealing ring molded into the edgeof the diaphragm.

Dwyer 2-5000-100MM Minihelic II Differential Pressure Gauge 0-100 MM WC

Minimum Order Quantity	10 Number
Brand	Dwyer USA
Measuring Range	0-100 MM WC
Model Name/Number	Dwyer 2-5000-100MM
Usage/Application	Duct
Material	Glass Filled Nylon Polycarbonate Lens
Accuracy	+-5% of FS at 70 DegreeF (21.1 DegreeC)
Dial Size	67 MM
Pressure Limits	30 psig (2.067 bar) Continuous to Either Pressure Connection
Temperature Limits	20 to 120 deg F (-6.67 to 48.9 deg C)

Dwyer 2-5000-100MM Minihelic II Differnntial Pressure Gauge 0-100 MM w.c Housing Is Molded From Strong Mineral And Glass Filled Nylon. Pointer Stops of Molded Rubber Prevent Pointer Over Travel Without Damage.

Dwyer 2-5000-100mm Minihelic Ii, Differential Pressure Gauge, 0/100mm

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.
Ceramic magnet mounted on a molded bracket at the end of the range spring rotates the helix without direct mechanical linkage.
High pressure tap connects with the front chamber through passageway in the plastic case and a sealing ring molded into the edgeof the diaphragm.

Dwyer 2-5000-125PA Minihelic II Differential Pressure Gauge 0-125 Pa

Minimum Order Quantity	10 Number
Brand	Dwyer USA
Measuring Range	0-125 Pa
Model Name/Number	Dwyer 2-5000-125PA
Usage/Application	Industrial
Accuracy	+-5% of FS at 70 deg F (21.1 deg C)
Weight	6 oz (170.1 g)
Pressure Limits	30 psig (2.067 bar) continuous to either pressure connection

Dwyer 2-5000-125PA Minihelic II Differential Pressure Gauge 0-125 Pa
Housing is Molded From Strong Mineral And Glass Filled Nylon. Pointer Stops Of Molded Rubber Prevent Pointer Over Travel Without Damage.

Dwyer 2-5000-125pa Minihelic Ii, Differential Pressure Gauge, 0/125 Pa

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.
Ceramic magnet mounted on a molded bracket at the end of the range spring rotates the helix without direct mechanical linkage.
High pressure tap connects with the front chamber through passageway in the plastic case and a sealing ring molded into the edgeof the diaphragm.

Dwyer 2-5000-250PA Minihelic II Differential Pressure Gauge 0-250 Pa

Minimum Order Quantity	10 Number
Brand	Dwyer USA
Measuring Range	0-250 Pa
Model Name/Number	Dwyer 2-5000-250PA
Usage/Application	Industrial
Accuracy	+-5% of FS at 70 DegreeF (21.1 DegreeC)
Weight	6 oz (170.1 g)
Dial Size	63 mm
Pressure Limits	30 psig (2.067 bar) continuous to either pressure connection

Dwyer 2-5000-250PA Minihelic II Differential Pressure Gauge 0-250 Pa
Housing Is Molded From Strong Mineral And Glass Filled Nylon. Pointer Stops of Molded Rubber Prevent Pointer Over Travel Without Damage.

Dwyer 2-5000-250pa Minihelic Ii, Differential Pressure Gauge, 0/250 Pa

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.
Ceramic magnet mounted on a molded bracket at the end of the range spring rotates the helix without direct mechanical linkage.
High pressure tap connects with the front chamber through passageway in the plastic case and a sealing ring molded into the edgeof the diaphragm.

Dwyer 2-5000-500PA Minihelic II Differential Pressure Gauge 0-500 Pa

Minimum Order Quantity	10 Number
Brand	Dwyer USA
Measuring Range	0-500 Pa
Model Name/Number	Dwyer 2-5000-500PA
Usage/Application	Industrial
Accuracy	+-5% of FS at 70 DegreeF (21.1 DegreeC)
Temperature	20 to 120 Degree F (-6.67 to 48.9 Deg C)
Weight	6 oz (170.1 g)
Size	63 MM
Pressure Limits	30 psig (2.067 bar) continuous to either pressure connection

Dwyer 2-5000-500PA Minihelic II Differential Pressure Gauge 0-500 Pa
Housing Is Molded From Strong Mineral And Glass Filled Nylon. Pointer Stops of Molded Rubber Prevent Pointer Over Travel Without Damage.

Dwyer 2-5000-500pa Minihelic Ii, Differential Pressure Gauge, 0/500pa

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.
Ceramic magnet mounted on a molded bracket at the end of the range spring rotates the helix without direct mechanical linkage.
High pressure tap connects with the front chamber through passageway in the plastic case and a sealing ring molded into the edgeof the diaphragm.

Dwyer 2-5000-1KPA Minihelic II Differential Pressure Gauge 0-1 KPA

Minimum Order Quantity	10 Number
Brand	Dwyer USA
Measuring Range	0-1 KPA
Model Name/Number	Dwyer 2-5000-1KPA
Usage/Application	Industrial
Accuracy	+-5% of FS at 70 DegreeF (21.1 DegreeC)
Weight	6 oz (170.1 g)
Dial Size	63 MM
Pressure Limits	30 psig (2.067 bar) continuous to either pressure connection
Temperature Limits	20 to 120 deg F (-6.67 to 48.9 deg C)
Mounting Orientation	Diaphragm in Vertical Position

Dwyer 2-5000-1KPA Minihelic II Differential Pressure Gauge 0-1 KPA
Housing Is Molded From Strong Mineral And Glass Filled Nylon. Pointer Stops of Molded Rubber Prevent Pointer Over Travel Without Damage.

Dwyer 2-5000-1kpa Minihelic Ii, Differential Pressure Gauge, 0/1 Kpa

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.
Ceramic magnet mounted on a molded bracket at the end of the range spring rotates the helix without direct mechanical linkage.
High pressure tap connects with the front chamber through passageway in the plastic case and a sealing ring molded into the edgeof the diaphragm.

Dwyer 2-5000-3KPA Minihelic II Differential Pressure Gauge 0-3 KPA

Minimum Order Quantity	10 Number
Brand	Dwyer USA
Measuring Range	0-3 KPA
Model Name/Number	Dwyer 2-5000-3KPA
Usage/Application	Industrial
Accuracy	+-5% of FS at 70 DegreeF (21.1 DegreeC)
Temperature	20 to 120 DegreeF (-6.67 to 48.9 DegreeC)
Dial Size	63 MM
Mounting	Diaphragm In Vertical Position
Pressure Limits	30 psig (2.067 bar) continuous to either pressure connection

Dwyer 2-5000-3KPA Minihelic II Differential Pressure Gauge 0-3 KPA
Housing Is Molded From Strong Mineral And Glass Filled Nylon. Pointer Stops of Molded Rubber Prevent Pointer Over Travel Without Damage.

Dwyer 2-5000-3kpa Minihelic Ii, Differential Pressure Gauge, 0/3 Kpa

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.
Ceramic magnet mounted on a molded bracket at the end of the range spring rotates the helix without direct mechanical linkage.
High pressure tap connects with the front chamber through passageway in the plastic case and a sealing ring molded into the edgeof the diaphragm

Dwyer 2-5205-5PSI Minihelic II Differential Pressure Gauge 0-5 PSI

Minimum Order Quantity	10 Number
Brand	Dwyer USA
Measuring Range	0-5 PSI
Model Name/Number	Dwyer 2-5205-5PSI
Usage/Application	Industrial
Accuracy	+-5% of FS at 70 DegreeF (21.1 DegreeC)
Temperature	20 to 120 DegreeF (-6.67 to 48.9 DegreeC)
Weight	6 oz (170.1 g)
Dial Size	63 MM
Pressure Limits	30 psig (2.067 bar) continuous to either pressure connection
Temperature Limits	20 to 120 deg F (-6.67 to 48.9 deg C)
Mounting Orientation	Diaphragm in Vertical Position

Dwyer 2-5205-5PSI Minihelic II Differential Pressure Gauge 0-5 PSI
Designed For Panel Mounting in a 2-5/8″ Diameter Hole. Pressure Connections Are Barbed. Dwyer 2-5205 Minihelic II Differential Pressure Gauge
The Dwyer 2-5205 Differential Pressure Gauge has barbed connections and a range of 0-5 psi. Combining clean design , small size and low cost with enough accuracy for all but the most demanding applications our Minihelic® II gauge offers the latest in design Features for a dial type differential pressure gauge. It is our most compact gauge but is easy to read and can safely operate at total pressures up to 30 psig. The Minihelic® II gauge is designed for panel mounting in a single 2-5/8″ diameter hole. Standard pressure connections are barbed fittings for 3/16″ ID tubing; optional 1/8″ male NPT connections are also available. Over-Pressure protection is built into the Minihelic® II gauge by means of a blow-out membrane molded in conjunction with the diaphragm. Accidental over-ranging up to the rated total pressure will not damage the gauge. With removable lens and rear housing, the gauge may be easily serviced at minimum cost. With the housing molded from mineral and glass filled nylon and the lens molded from acrylic, the gauge will withstand rough use and exposure as well as high total pressure. The 5% accuracy and low cost of the Minihelic® II gauge make it well-suited for a wide variety of OEM and user applications. OEM applications include cabinet air purging, medical respiratory therapy equipment, air samplers, laminar flow hoods, and electronic air cooling systems. As an air filter gauge, the Minihelic® II gauge finds many end use applications on large stationary engines, compressors, ventilators, and air handling units. The Minihelic® II gauge is suitable for many of the same applications as the Magnehelic® gauge where the greater accuracy, sensitivity, and higher and lower differential pressure ranges of the Magnehelic® gauge are not required.

Dwyer 2-5000-0 Minihelic II Differential Pressure Gauge 0-0.5 INCH

Minimum Order Quantity	10 Number
Brand	Dwyer USA
Measuring Range	0-0.5 inch
Model Name/Number	Dwyer 2-5000-0
Usage/Application	Industrial
Accuracy	+-5% of FS at 70 deg F (21.1 deg C)
Temperature	20 to 120 DegreeF (-6.67 to 48.9 DegreeC)
Weight	6 oz (170.1 g)
Dial Size	63 MM
Pressure Limits	30 psig (2.067 bar) continuous to either pressure connection

Dwyer 2-5000-0 Minihelic II Differential Pressure Gauge 0-0.5 INCH Housing Is Molded From Strong Mineral And Glass Filled Nylon. Pointer Stops of Molded Rubber Prevent Pointer Over Travel Without Damage.

Dwyer 2-5000-0 Minihelic Ii, Differential Pressure Gauge, 0/0.5

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.
Ceramic magnet mounted on a molded bracket at the end of the range spring rotates the helix without direct mechanical linkage.
High pressure tap connects with the front chamber through passageway in the plastic case and a sealing ring molded into the edgeof the diaphragm.

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