Best Differential Pressure Gauges. Reviews December, 2020

Dwyer Magnehelic Differential Pressure Gage, 2300-0, 0.25-0-0.25"w.c.

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Dwyer Magnehelic Differential Pressure Gage, 2300-0, 0.25-0-0.25

Current price: 78.93 USD


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Weight: 1.2 Pounds

  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT

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Dwyer 2002 Magnehelic Differential Pressure Gauge, Type, 0 to 2" WC

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Dwyer 2002 Magnehelic Differential Pressure Gauge, Type, 0 to 2

Current price: 79.04 USD


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Height: 6.8 Inches

Length: 6 Inches

Width: 3.8 Inches

  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT
  • Range: 0 to 2.0 inch
  • Unit of measurement: " H2O
  • Wetted materials: plastic
  • Media compatibility: air and non-combustible gases
  • Product Type: differential pressure gauges

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Dwyer Magnehelic Differential Pressure Gage, 2015,: 0-15" w.c.

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Dwyer Magnehelic Differential Pressure Gage, 2015,: 0-15

Current price: 56.81 USD

Saving: $6.69 (11%)


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Height: 6.8 Inches

Length: 6 Inches

Width: 3.8 Inches

Weight: 1.2 Pounds

  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT
  • Range: 0 to 2.0 inch
  • Unit of measurement: " H2O
  • Wetted materials: plastic
  • Media compatibility: air and non-combustible gases
  • Product Type: differential pressure gauges
  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT

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Dwyer - 6806202 2000-00 Magnehelic Differential Pressure Gauge, 2000: 0-0.25" WC

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Dwyer - 6806202 2000-00 Magnehelic Differential Pressure Gauge, 2000: 0-0.25

Current price: 76.95 USD


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Height: 6.6 Inches

Length: 6.1 Inches

Width: 3.7 Inches

Weight: 0.000625 Pounds

  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT
  • Range: 0 to 2.0 inch
  • Unit of measurement: " H2O
  • Wetted materials: plastic
  • Media compatibility: air and non-combustible gases
  • Product Type: differential pressure gauges
  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT
  • Range: 0 to 0.25 inch
  • Unit of measurement: " H2O
  • Wetted materials: plastic
  • Media compatibility: air and non-combustible gases
  • Product Type: differential pressure gauges

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Differential Pressure Gauge, 0-5 Inches WC

Search only JH Gauge brand name
Differential Pressure Gauge, 0-5 Inches WC

Current price: 67.99 USD


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  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT
  • Range: 0 to 2.0 inch
  • Unit of measurement: " H2O
  • Wetted materials: plastic
  • Media compatibility: air and non-combustible gases
  • Product Type: differential pressure gauges
  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT
  • Range: 0 to 0.25 inch
  • Unit of measurement: " H2O
  • Wetted materials: plastic
  • Media compatibility: air and non-combustible gases
  • Product Type: differential pressure gauges
  • Pressure Rating: 15 PSI
  • Accuracy: ± 2% of full scale at 70° F
  • Dimensions: 4-3/4” dia. X 2-3/16” deep
  • Material: Aluminum
  • Differential pressure gauges indicates low air or non-corrosive gas pressures--either positive, negative (vacuum) or differential.

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Dwyer Magnehelic Differential Pressure Gage, 2050,: 0-50" w.c.

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Dwyer Magnehelic Differential Pressure Gage, 2050,: 0-50

Current price: 60.68 USD


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Weight: 1.2 Pounds

  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT
  • Range: 0 to 2.0 inch
  • Unit of measurement: " H2O
  • Wetted materials: plastic
  • Media compatibility: air and non-combustible gases
  • Product Type: differential pressure gauges
  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT
  • Range: 0 to 0.25 inch
  • Unit of measurement: " H2O
  • Wetted materials: plastic
  • Media compatibility: air and non-combustible gases
  • Product Type: differential pressure gauges
  • Pressure Rating: 15 PSI
  • Accuracy: ± 2% of full scale at 70° F
  • Dimensions: 4-3/4” dia. X 2-3/16” deep
  • Material: Aluminum
  • Differential pressure gauges indicates low air or non-corrosive gas pressures--either positive, negative (vacuum) or differential.
  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT

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DuraChoice 2-1/2" Liquid Filled Pressure Gauges - Stainless Steel Case, Brass, 1/4" NPT, Center Back Mount Connection 0-100PSI

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DuraChoice 2-1/2

Current price: 14.39 USD


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Height: 2.67 Inches

Length: 1.35 Inches

Width: 2.67 Inches

Weight: 0.4375 Pounds

  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT
  • Range: 0 to 2.0 inch
  • Unit of measurement: " H2O
  • Wetted materials: plastic
  • Media compatibility: air and non-combustible gases
  • Product Type: differential pressure gauges
  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT
  • Range: 0 to 0.25 inch
  • Unit of measurement: " H2O
  • Wetted materials: plastic
  • Media compatibility: air and non-combustible gases
  • Product Type: differential pressure gauges
  • Pressure Rating: 15 PSI
  • Accuracy: ± 2% of full scale at 70° F
  • Dimensions: 4-3/4” dia. X 2-3/16” deep
  • Material: Aluminum
  • Differential pressure gauges indicates low air or non-corrosive gas pressures--either positive, negative (vacuum) or differential.
  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT

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Dwyer 2010 Magnehelic Differential Pressure Gauge, Type, 0 to 10" WC

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Dwyer 2010 Magnehelic Differential Pressure Gauge, Type, 0 to 10

Current price: 57.69 USD

Saving: $13.70 (19%)


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Height: 6.8 Inches

Length: 6 Inches

Width: 3.8 Inches

Weight: 1 Pounds

  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT
  • Range: 0 to 2.0 inch
  • Unit of measurement: " H2O
  • Wetted materials: plastic
  • Media compatibility: air and non-combustible gases
  • Product Type: differential pressure gauges
  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT
  • Range: 0 to 0.25 inch
  • Unit of measurement: " H2O
  • Wetted materials: plastic
  • Media compatibility: air and non-combustible gases
  • Product Type: differential pressure gauges
  • Pressure Rating: 15 PSI
  • Accuracy: ± 2% of full scale at 70° F
  • Dimensions: 4-3/4” dia. X 2-3/16” deep
  • Material: Aluminum
  • Differential pressure gauges indicates low air or non-corrosive gas pressures--either positive, negative (vacuum) or differential.
  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT
  • Accuracy: ±2 percent of full Scale (3 percent on .0 and 4 percent on .00 ranges) throughout range at 70°f (21°c)
  • Process connection: 1/8 inch
  • Range: 0 to 10.0 inch
  • Resolution: 0.20
  • Product Type: differential pressure gauges

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Dwyer Minihelic II Differential Pressure Gage, 2-5005, High Acc, Compact, Dependable & Low Cost, 0-5" w.c.

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Dwyer Minihelic II Differential Pressure Gage, 2-5005, High Acc, Compact, Dependable & Low Cost, 0-5

Current price: 24.99 USD

Saving: $19.01 (43%)


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Weight: 0.375 Pounds

  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT
  • Range: 0 to 2.0 inch
  • Unit of measurement: " H2O
  • Wetted materials: plastic
  • Media compatibility: air and non-combustible gases
  • Product Type: differential pressure gauges
  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT
  • Range: 0 to 0.25 inch
  • Unit of measurement: " H2O
  • Wetted materials: plastic
  • Media compatibility: air and non-combustible gases
  • Product Type: differential pressure gauges
  • Pressure Rating: 15 PSI
  • Accuracy: ± 2% of full scale at 70° F
  • Dimensions: 4-3/4” dia. X 2-3/16” deep
  • Material: Aluminum
  • Differential pressure gauges indicates low air or non-corrosive gas pressures--either positive, negative (vacuum) or differential.
  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT
  • Accuracy: ±2 percent of full Scale (3 percent on .0 and 4 percent on .00 ranges) throughout range at 70°f (21°c)
  • Process connection: 1/8 inch
  • Range: 0 to 10.0 inch
  • Resolution: 0.20
  • Product Type: differential pressure gauges
  • Applications: Air Samplers, Filter Status, Medical Respiratory Eqpmnt, Room Positive Pressure Sensing, Electronic Air Cooling Sys, Duct Pressures
  • Removable lens and rear-housing provides easy, cost-effective servicing
  • Process Connections: Barbed, for 3/16" ID tubing (standard); 1/8" male NPT (optional).
  • Pressure Limits: 30 psig (2.067 bar) continuous to either pressure connection. Temperature Limits: 20 to 120°F (-6.67 to 48.9°C).
  • MANUFACTURER DIRECT

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Dwyer Magnehelic Series 2000 Differential Pressure Gauge, Range 0.5-0-0.5"WC

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Dwyer Magnehelic Series 2000 Differential Pressure Gauge, Range 0.5-0-0.5

Current price: 81.5 USD


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Weight: 0.01 Pounds

  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT
  • Range: 0 to 2.0 inch
  • Unit of measurement: " H2O
  • Wetted materials: plastic
  • Media compatibility: air and non-combustible gases
  • Product Type: differential pressure gauges
  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT
  • Range: 0 to 0.25 inch
  • Unit of measurement: " H2O
  • Wetted materials: plastic
  • Media compatibility: air and non-combustible gases
  • Product Type: differential pressure gauges
  • Pressure Rating: 15 PSI
  • Accuracy: ± 2% of full scale at 70° F
  • Dimensions: 4-3/4” dia. X 2-3/16” deep
  • Material: Aluminum
  • Differential pressure gauges indicates low air or non-corrosive gas pressures--either positive, negative (vacuum) or differential.
  • Process Connections: 1/8" female NPT duplicate high and low pressure taps - one pair side and one pair back.
  • Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • MANUFACTURER DIRECT
  • Accuracy: ±2 percent of full Scale (3 percent on .0 and 4 percent on .00 ranges) throughout range at 70°f (21°c)
  • Process connection: 1/8 inch
  • Range: 0 to 10.0 inch
  • Resolution: 0.20
  • Product Type: differential pressure gauges
  • Applications: Air Samplers, Filter Status, Medical Respiratory Eqpmnt, Room Positive Pressure Sensing, Electronic Air Cooling Sys, Duct Pressures
  • Removable lens and rear-housing provides easy, cost-effective servicing
  • Process Connections: Barbed, for 3/16" ID tubing (standard); 1/8" male NPT (optional).
  • Pressure Limits: 30 psig (2.067 bar) continuous to either pressure connection. Temperature Limits: 20 to 120°F (-6.67 to 48.9°C).
  • MANUFACTURER DIRECT
  • Zero adjustment screw is conveniently located in the plastic cover, and is accessible without removing the cover. O-ring seal provides pressure tightness.
  • Pointer stops of molded rubber prevent pointer over-travel without damage.
  • Precision litho-printed scale is accurate and easy to read.
  • Clear plastic face is highly resistant to breakage. Provides undistorted viewing of pointer and scale.
  • Bezel provides flange for flush mounting in panel

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