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Differential Pressure Gauges

Differential Pressure Gauges
Differential pressure gauges give the relative pressure between two points. If both operating pressures are the same, the measuring element cannot move and no pressure will be indicated. A differential pressure is indicated when one pressure is higher or lower. Low differential pressures can be measured directly in cases of high static pressures.

Davis Instruments has an industry-leading selection of differential pressure gauges for process, manufacturing, and HVAC-R applications. Choose from leading manufacturers such as Mid-West, Dwyer, and Ashcroft Instruments.

Mid-West Instruments, located in Sterling Heights, MI is one of the leading designers and manufacturers of differential pressure gauges and switches in the U.S. The experienced engineers and technicians utilize the latest equipment for engineering, manufacturing and testing the gauge and switch products. All Mid-West Instrument products are manufactured in the United States and are backed by an industry leading Five (5) Year Warranty. Oil, Gas, Water, Chemical, Petrochemical, Power Generation and Gas Liquidification are a few of the industries served. Features and benefits:

  • Differential Pressure Ranges Available for Liquids or Gases
  • Standard or Custom Dial Scales
  • Wide Variety of Materials
  • From Low Cost Differential Pressure Indicators to High Accuracy Differential Pressure Gauges

    Dwyer Instruments was founded in 1931 and is one of the largest manufacturers of competitively priced precision instruments. Select the Magnehelic gage for high accuracy--guaranteed within 2% of full scale--and for the wide choice of 81 models available to suit your needs precisely. Using Dwyer's simple, frictionless Magnehelic gage movement, it quickly indicates low air or non-corrosive gas pressures--either positive, negative (vacuum) or differential. The design resists shock, vibration and over-pressures. No manometer fluid to evaporate, freeze or cause toxic or leveling problems. It's inexpensive, too. The Magnehelic gage is the industry standard to measure fan and blower pressures, filter resistance, air velocity, furnace draft, pressure drop across orifice plates, liquid levels with bubbler systems and pressures in fluid amplifier or fluidic systems. It also checks gas-air ratio controls and automatic valves, and monitors blood and respiratory pressures in medical care equipment.

    For over 150 years, Ashcroft Instruments has set the standards for accuracy, quality, and dependability in pressure and temperature measurement. With products to suit virtually any application, Ashcroft differential pressure gauges are specified and trusted around the world for the most demanding requirements. In chemical processing, oil refineries, power plants, pharmaceutical, food, and industrial equipment applications, the Ashcroft trademark is the industry standard for performance and reliability.

    To help you find the right differential pressure gauge for your application, contact our Application Specialists for free technical support. Let our experts help you find the right differential pressure gauge. Davis Insruments has over 75 years of experience in finding the right products for our customers.

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    Dwyer Portability Kit for Magnehelic Gauges

    • Product Type: Differential Pressure Gauges
    • Model: A-432
    • Qty/ea: 1
    Mfg Part# A-432
    DO-68462-77
    In stock.
    $58.00 USD/EACH
    $46.40 USD/EACH

    Qty:

    Dwyer 2001 Magnehelic Differential Pressure Gauge, 2000: 0.-1.0" WC

    • Product Type: Differential Pressure Gauges
    • Media compatibility: air and non-combustible gases
    • Wetted materials: plastic
    Mfg Part# 2001
    DO-68062-06
    In stock.
    $68.00 USD/EACH
    $54.40 USD/EACH

    Qty:

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

    • Product Type: Differential Pressure Gauges
    • Media compatibility: air and non-combustible gases
    • Wetted materials: plastic
    Mfg Part# 2002
    DO-68062-08
    In stock.
    $73.00 USD/EACH
    $58.40 USD/EACH

    Qty:

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

    • Product Type: Differential Pressure Gauges
    • Media compatibility: air and non-combustible gases
    • Wetted materials: plastic
    Mfg Part# 2000-00
    DO-68062-02
    In stock.
    $75.00 USD/EACH
    $71.25 USD/EACH

    Qty:

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

    • Product Type: Differential Pressure Gauges
    • Resolution: 0.20
    • Range: 0 to 10.0" H2O
    Mfg Part# 2010
    DO-68462-68
    In stock.
    $64.00 USD/EACH
    $60.80 USD/EACH

    Qty:

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

    • Product Type: Differential Pressure Gauges
    • Media compatibility: air and non-combustible gases
    • Wetted materials: plastic
    Mfg Part# 2000-0
    DO-68062-04
    In stock.
    $68.00 USD/EACH
    $54.40 USD/EACH

    Qty:

    6056:Prs.Transmtr 0/6.0inWC Magnehelic Dfr Pressure Transmitter

    • Product Type: Differential Pressure Transmitter
    • Media compatibility: air and non-combustible, non-corrosive gases
    • Resolution: 0.20
    Mfg Part#
    DO-68463-09
    Usually ships in 7 days.
    $258.00 USD/EACH
    $245.10 USD/EACH

    Qty:

    Dwyer Magnehelic Differential Pressure Gauge, Type 2030, 0 to 30" WC

    • Product Type: Differential Pressure Gauges
    • Resolution: 1.0
    • Range: 0 to 30" H2O
    Mfg Part# 2030
    DO-68462-71
    In stock.
    $64.00 USD/EACH
    $60.80 USD/EACH

    Qty:

    Dwyer Magnehelic Differential Pressure Gauge, Type 2310, -5 to 0 to 5" WC

    • Product Type: Differential Pressure Gauges
    • Resolution: 0.20
    • Range: 5 to 0 to 5" H2O
    Mfg Part# 2310
    DO-68462-76
    In stock.
    $74.00 USD/EACH
    $70.30 USD/EACH

    Qty:

    Dwyer Magnehelic Differential Pressure Gauge, Type 2050, 0 to 50" WC

    • Product Type: Differential Pressure Gauges
    • Resolution: 1.0
    • Range: 0 to 50" H2O
    Mfg Part# 2050
    DO-68462-73
    In stock.
    $64.00 USD/EACH
    $60.80 USD/EACH

    Qty:

    Dwyer Magnehelic Differential Pressure Gauge, Type 2005, 0 to 5" WC

    • Product Type: Differential Pressure Gauges
    • Media compatibility: air and non-combustible gases
    • Wetted materials: plastic
    Mfg Part# 2005
    DO-68062-10
    In stock.
    $68.00 USD/EACH
    $54.40 USD/EACH

    Qty:

    Dwyer Magnehelic Differential Pressure Gauge, Type 2020, 0 to 20" WC

    • Product Type: Differential Pressure Gauges
    • Resolution: 0.50
    • Range: 0 to 20" H2O
    Mfg Part# 2020
    DO-68462-70
    In stock.
    $64.00 USD/EACH
    $60.80 USD/EACH

    Qty:

    Dwyer Magnehelic Differential Pressure Gauge, Type 2015, 0 to 15" WC

    • Product Type: Differential Pressure Gauges
    • Resolution: 0.50
    • Range: 0 to 15" H2O
    Mfg Part# 2015
    DO-68462-69
    In stock.
    $64.00 USD/EACH
    $60.80 USD/EACH

    Qty:

    Dwyer Magnehelic Differential Pressure Gauge, Type 2003, 0 to 3" WC

    • Product Type: Differential Pressure Gauges
    • Resolution: 0.10
    • Range: 0 to 3.0" H2O
    Mfg Part# 2003
    DO-68462-67
    In stock.
    $64.00 USD/EACH
    $60.80 USD/EACH

    Qty:

    Dwyer Magnehelic Differential Pressure Gauge, Type 2001AV, 0 to 1" WC

    • Product Type: Differential Pressure Gauges
    • Range: 0 to 1.0" H2O
    • Process connection: 1/8" NPT
    Mfg Part# 2001AV
    DO-68462-60
    In stock.
    $68.00 USD/EACH
    $64.60 USD/EACH

    Qty:

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