Differential Mechanical Pressure Gauges

30 Results
Differential Pressure Indicator -- DPI125V-PV-15-1
from Plast-O-Matic Valves, Inc.

Series DPI Indicator designed to show at a glance if maximum filter pressure has been exceeded. 1/8 ″ FNPT connections with 0-15 PSID or 0-30 PSID Gauge; PVC or CPVC. Series DPIS includes optional switch. [See More]

  • Type: Differential
  • Connection Size: 0.1250
  • Working Pressure Range: 0.0 to 15
  • Diameter: 1
Model 105 Series -- 105-C
from Mid-West Instrument

Over-Range Protection, High over Low and Low over High. Micro Adjust Pointer. Wide Selection of DP Ranges & Scales. Bellows or Multiple Diaphragm Sensing Element. Working Pressures up to 6000 PSIG (400 bar). Gauge Housings available in Aluminum, Brass, Carbon Steel and Stainless Steel 316/316L. [See More]

  • Type: Differential
  • Connection Size: 0.2500 to 0.5000
  • Working Pressure Range: 0.0 to 1500
  • Diameter: 6
Capsule Differential Pressure Gauges -- MCD7
from Baumer Ltd.

Pressure measurement is our home turf: for measuring relative and total pressure you will find products with capsule elements and Bourdon springs at Baumer. Or absolute and differential pressure measuring equipment for pressures from 25 mbar to 1600 bar. Thanks to their robust stainless steel... [See More]

  • Type: Differential
  • Connection Size: 0.5000
  • Working Pressure Range: 0.0 to 3.63
  • Diameter: 5.91
Differential Pressure Gauges
from Ashcroft Inc.

Ashcroft ® differential pressure gauges are an economical means for measuring pressure between two independent pressure sources. Used on process monitoring or control, the unit's system design permits a small volume of media migration; intended for air, hydraulic oil and non-corrosive... [See More]

  • Type: Differential
  • Accuracy: 1.6 to 2.3
  • Working Pressure Range: 0.0 to 1000
  • Mount: Bottom; Lower Back (optional feature)
PDT Series Differential Gauge -- PDT8051
from Winters Instruments

Description & Features: • Brass or stainless steel wetted parts • Both conventional and balanced scale available • CRN registered • 5 year warranty [See More]

  • Type: Differential
  • Connection Size: 0.2500
  • Working Pressure Range: 0.0 to 15
  • Diameter: 4.5
Series 2000 Magnehelic® Differential Pressure Gage
from Clark Solutions

Select the Magnehelic ® gage for high accuracy - guaranteed within 2% of full scale and for the wide choice of ranges available to suit your needs precisely. Using the simple, frictionless Magnehelic ® movement, it quickly indicates low air or non-corrosive gas pressures - either positive,... [See More]

  • Type: Differential; Liquid Filled
  • Connection Size: 0.5000
  • Working Pressure Range: 0.0 to 5.42
  • Diameter: 4
Differential Pressure Gauge -- PGD Series
from OMEGA Engineering, Inc.

• Heavy Duty Construction. • Double-Strength Shatter-Resistant Glass. • 2-1-2% ANSI Grade A Accuracy [See More]

  • Type: Differential
  • Connection Size: 0.2500
  • Working Pressure Range: 0.0 to 100
  • Diameter: 4.5
1000 Series Piston Type Gauge -- 25-10
from NOSHOK, Inc.

Accurately measures the pressure drop across filters, pumps, strainers, separators and valves. Maximum static or working pressure to 6,000 psi. 2-1/2 and 4-1/2 inch sizes - back or side connected. Rugged case construction with weather-resistant NEMA 4X enclosure. Single piece construction of ceramic... [See More]

  • Type: Differential
  • Connection Size: 0.2500
  • Working Pressure Range: 0.0 to 6000
  • Diameter: 2.5
Bar Graph Tank-O-Meter -- Type BG
from Uehling Instrument Company

Tank liquid level (any tank shape, vented or closed to atmosphere), wells, watertowers, reservoirs, sumps, sewage/water treatment, acids, caustics, chemicals, pharmaceutical products, fuels/oils, solvents, marine, paint/varnish, polymers. Measurement of gauge, differential or absolute pressure. [See More]

  • Type: Absolute; Differential; Gauge; Vacuum
  • Operating Temperature: 0 to 130
  • Working Pressure Range: ? to 150
  • Sensor Technology: Air Bubbler
Diaphragm Sensor Differential Pressure Gauge -- 1516DG-*-2.5-*-0-1PSID
from Orange Research, Inc.

Diaphragm Sensor for Liquids & Gases. These diaphragm sensor differential pressure gauges measure the pressure difference between two points. Acting in the place of two pressure gauges, these units allow for one simple reading on an easy-to-read scale. Popular in filtration, flow and level... [See More]

  • Type: Differential; Liquid Filled (optional feature)
  • Connection Size: 0.5000
  • Working Pressure Range: 0.0 to 1
  • Diameter: 2.5
Model 106 Series -- 106-C
from Mid-West Instrument

Micro Adjust Pointer. Wide Selection of DP Ranges & Scales. Bellows or Multiple Diaphragm Sensing Element. Working Pressures up to 6000 PSIG (400 bar). Gauge Housings available in Aluminum, Brass, Carbon Steel and Stainless Steel 316/316L. Wide Range of Elastomers [See More]

  • Type: Differential
  • Connection Size: 0.2500 to 0.5000
  • Working Pressure Range: 0.0 to 1500
  • Diameter: 6
PPD Series High Static Pressure Differential Gauge -- PPD
from Winters Instruments

Description & Features: • Versatile high static low differential pressure gauges • Four types of sensing elements for a large variety of ranges • Switches available for actuation • 5 year warranty [See More]

  • Type: Differential
  • Connection Size: 0.2500 to 0.5000
  • Working Pressure Range: 5 to 150
  • Operating Temperature: ? to 175
1100 Series Diaphragm Type Gauge -- 25-11
from NOSHOK, Inc.

Precisely measures pressure drops across filters, strainers, separators, heat exchangers and applications where a higher level of solids are present in the measuring media. High side is completely isolated from low side to prevent fluid movement between ports. Maximum static or working pressure to... [See More]

  • Type: Differential; Liquid Filled (optional feature)
  • Connection Size: 0.2500
  • Working Pressure Range: 1500 to 3000
  • Diameter: 2.5
Hazardous Location Differential Pressure Gauge -- 1204PGS
from Orange Research, Inc.

Piston Sensors with Explosion-Proof Enclosures. Hazardous location differential pressure gauges measure the pressure difference between two points. Acting in the place of two pressure gauges, these units allow for one simple reading on an easy-to-read scale. Popular in filtration, flow and level... [See More]

  • Type: Differential; Liquid Filled (optional feature)
  • Connection Size: 0.2500 to 0.5000
  • Working Pressure Range: 0.0 to 150
  • Diameter: 3.5 to 6
Model 109 Series -- 109-C
from Mid-West Instrument

Wide DP Range from 0-15 PSID to. 0-6000 PSID. Bourdon Tube Sensing Element. Working Pressures up to 6000 PSIG (400 bar). Over-Range Protection, High over Low and Low over High. Gauge Housings Available in Aluminum, Brass, Carbon Steel and 316/316L Stainless Steel. Wide Range of Elastomers [See More]

  • Type: Differential; Liquid Filled (optional feature)
  • Connection Size: 0.2500 to 0.5000
  • Working Pressure Range: 0.0 to 1500
  • Diameter: 6
1200 Series High Static Membrane Gauge -- 45-12
from NOSHOK, Inc.

Designed for applications requiring high static pressure & high differential pressure measurement. Maximum static or working pressure to 3,000 psi. Full scale accuracy of ±1% on rising pressure â € “ zero adjustment standard. 4-1/2 and 6 inch sizes â € “... [See More]

  • Type: Differential; Liquid Filled (optional feature)
  • Connection Size: 0.2500
  • Working Pressure Range: 0.0 to 3000
  • Diameter: 4.5
Miniature Differential Pressure Gauge -- 1020DI-1
from Orange Research, Inc.

Miniature Differential Pressure Gauges. These miniature differential pressure gauges measure the pressure difference between two points. Acting in the place of two pressure gauges, these units allow for one simple reading on an easy-to-read scale. Popular in filtration, flow and level applications,... [See More]

  • Type: Differential
  • Connection Size: 0.1250
  • Working Pressure Range: 0.0 to 30
  • Diameter: 1 to 2.5
Model 120 Series -- 120-AA
from Mid-West Instrument

1 to 2 independently adjustable switches. Hermetically Sealed Switches. SPDT, SPST Normally Open, & SPST Normally Closed Configurations. Most configurations CE marked to the Low Voltage Directive (EN 61010). Power Ratings ranging from 3 Watts to 60 Watts (Great for upgrades to handle cable... [See More]

  • Type: Differential; Liquid Filled (optional feature)
  • Connection Size: 0.2500 to 0.5000
  • Working Pressure Range: 0.0 to 110
  • Diameter: 2.5
1300 Series Nominal Static Membrane Type -- 45-13
from NOSHOK, Inc.

Designed for integral process applications requiring nominal static and low differential pressure measurement. Maximum static or working pressure to 600 psi. Full scale accuracy of ±1%, on rising pressure - zero adjustment standard. 4-1/2 and 6 inch sizes â € “ top &... [See More]

  • Type: Differential; Liquid Filled (optional feature)
  • Connection Size: 0.2500
  • Working Pressure Range: 0.0 to 600
  • Diameter: 4.5
Piston Sensor Differential Pressure Gauge -- 1201PG
from Orange Research, Inc.

Piston Sensor Differential Pressure Gauges. These piston sensor differential pressure gauges measure the pressure difference between two points. Acting in the place of two pressure gauges, these units allow for one simple reading on an easy-to-read scale. Popular in filtration, flow and level... [See More]

  • Type: Differential; Liquid Filled (optional feature)
  • Connection Size: 0.2500
  • Working Pressure Range: 0.0 to 100
  • Operating Temperature: 200
Model 122 Series -- 122-*A
from Mid-West Instrument

1 to 2 independently adjustable switches. Clamp or Stick on Switches. Hermetically Sealed Switches. SPDT, SPST Normally Open Configurations. Most configurations CE marked to the Low Voltage Directive (EN 61010). Power Ratings ranging from 3 Watts to 60 Watts (Great for upgrades to handle cable... [See More]

  • Type: Differential; Liquid Filled (optional feature)
  • Connection Size: 0.2500
  • Working Pressure Range: 0.0 to 110
  • Diameter: 2.5
Model 123 Series -- 123-*A
from Mid-West Instrument

Simple Rugged Designs. Glass Reinforced Thermoplastic Gauge Front Is Standard. Weather Resistant & Corrosion Resistant Gauge Front. Shatter Resistant Lens. 5 Year Warranty [See More]

  • Type: Differential; Liquid Filled (optional feature)
  • Connection Size: 0.2500 to 0.5000
  • Working Pressure Range: 0.0 to 400
  • Diameter: 2.5
Model 126 Series -- Model 126
from Mid-West Instrument

Aluminum or stainless steel housing, 3000 psi working pressure [See More]

  • Type: Differential
  • Connection Size: 0.1250
  • Working Pressure Range: 0.0 to 20
  • Accuracy: 5
Model 130 Series -- 130-AC
from Mid-West Instrument

The Model 130 diaphragm isolated Differential Pressure Switch is CSA Certified to both the Canadian and U.S. Standards and U.L. Listed to the U.S. Standards. The entire assembly is Certified for use in Class I, Division 1, Groups C, D; Class II, Division 1, Groups E, F, & G Hazardous locations. [See More]

  • Type: Differential
  • Connection Size: 0.2500 to 0.5000
  • Working Pressure Range: 0.0 to 14.45
  • Diameter: 4.5
Model 140 Series -- 140-AA
from Mid-West Instrument

The Division 2 rated product is a lower cost alternative when compared to the Explosion-Proof designs that are often used in Division 2 applications. Mid-West Instrument's Models 140/142 are CSA Certified to both the Canadian and U.S. standards and U.L. Listed to the U.S. Standards. In addition the... [See More]

  • Type: Differential; Liquid Filled (optional feature)
  • Connection Size: 0.2500 to 0.5000
  • Working Pressure Range: 0.0 to 100
  • Diameter: 2.5
Model 141 Series -- 141-AA
from Mid-West Instrument

Simple Rugged Designs. Glass Reinforced Thermoplastic Gauge Front Is Standard. Weather Resistant & Corrosion Resistant Gauge Front. 5 Year Warranty [See More]

  • Type: Differential; Liquid Filled (optional feature)
  • Connection Size: 0.2500 to 0.5000
  • Working Pressure Range: 0.0 to 25
  • Diameter: 2.5
Model 146 Series -- Model 146
from Mid-West Instrument

Aluminum, brass or stainless steel housing, 1000 psi working pressure [See More]

  • Type: Differential
  • Connection Size: 0.1250
  • Working Pressure Range: 0.0 to 30
  • Accuracy: 5
Model 220 Series -- 220-*A
from Mid-West Instrument

The Model 220 carries global certifications from CSA, UL, and ATEX. The piston style Differential Pressure Switch is CSA Certified to both the Canadian and U.S. Standards and U.L. Listed to the U.S. Standards. Certified to ATEX directive Ex d, IIB + H2 with an IP65 rating. Mid-West Instrument's new... [See More]

  • Type: Differential
  • Connection Size: 0.2500 to 0.5000
  • Working Pressure Range: 0.0 to 100
  • Diameter: 2.5
Model 240 Series -- 240-AC
from Mid-West Instrument

The Model 240 carries global certifications from CSA, UL, and ATEX. The diaphragm isolated Differential Pressure Switch is CSA Certified to both the Canadian and U.S. Standards and U.L. Listed to the U.S. Standards. In addition, it is certified to the ATEX directive Ex d, IIB + H2 with an IP 65... [See More]

  • Type: Differential
  • Connection Size: 0.2500
  • Working Pressure Range: 0.0 to 0.7225
  • Diameter: 4.5
Model 555 Series
from Mid-West Instrument

he Model 555 Series Differential Pressure Indicator offers a two sided dial providing easier installation regardless of flow direction. It is used on filters & strainers. The Rolling Diaphragm Sensing Element isolates the high and low side of the indicator assuring filter efficiency (Reverse... [See More]

  • Type: Differential
  • Connection Size: 0.3750
  • Working Pressure Range: 0.0 to 10
  • Operating Temperature: ? to 200