Differential Pressure
pressure measurement relative to the surrounding atmospheric pressure.
See Also: Pressure, Absolute Pressure
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Product
High Line Pressure Variable Reluctance Pressure Sensor to 10,000 psid
DP360/DP363
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The DP360 can be calibrated for a full scale as low as ±50 psid while withstanding high static line pressure. Low differential pressure may be measured at static pressures as high as 10,000 psig with a maximum 3% FS zero shift error.
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Product
Stimulus Test Cell
HA7300
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The Stimulus Test Cell HA7300 is a test cell which provides an environment for high-speed, highly accurate temperature and pressure test of differential pressure sensors, utilizing Advantest’s unique temperature control unit with simultaneous temperature control for 8 devices, as well as a newly developed 2Port pressure controller and pressure application nozzle.
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Product
Wet/Wet Handheld Digital Manometer
Series 490A
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Liquid & Gas Pressure Measurement, ±0.5% FS Accuracy. The SERIES 490A Digital Manometers are versatile, hand-held, battery operated manometers available in several basic ranges for positive or positive differential pressure measurement and can tolerate most liquid media compatible with 316LSS. A new feature added to the Series 490A is a field adjustable damping, which allows the user to choose the level of display averaging rate corresponding to the fluctuation level common in many applications.
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Product
Regulators
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Parker offers a range of air-line, pressure high flow and single phase regulators for instrumentation, filtration, refrigeration and pneumatic applications. Instrumentation regulators are used in the process, power, oil, gas and semiconductor industries to control the flow of liquids and gases with speed and precision. Air regulators provide quick response and accurate pressure regulation for the most demanding industrial air preparation applications, available as miniature, economy, compact, standard, hi-flow and pilot-operated regulators to meet a variety of service needs. The refrigeration line of pressure regulators includes valves that control inlet, outlet or differential pressure. Each regulator is available with an assortment of variations which enable one regulator to perform multiple functions. All regulators are built to the highest quality standards, recognized around the world for their performance, durability and reliability.
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Liquid Flow Meters
L Series
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Alicat Scientific, Incorporated
Alicat’s L-series liquid flow meters uses our patented laminar flow design to provide users with fast, accurate, and repeatable volumetric flow measurement for water or selected other liquids (see Quick Specs below). At the heart of Alicat’s L-Series liquid flow meters is an internally compensated, laminar differential pressure measurement technology that yields linear results over a wide flow range.
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Product
Wet-Wet Differential Pressure Sensor
DP303
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The DP303 features "take-apart" construction enabling the user to easily disassemble the unit for cleaning or to change full scale range by exchanging the sensing diaphragm. As noted from the Pressure Range/Diaphragm Selection Chart on the reverse side of this Data Sheet, a family of interchangeable diaphragms are available to cover virtually any full scale pressure range from 0.08 psid full scale to 5,000 psid full scale-all rated for operation at 5,000 psig line pressure!
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Product
Pneumatic Pressure Transmitters
Deltapi N Series
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Deltapi N series includes a range of pneumatic transmitters suitable for reliable measurements of pressure, differential pressure, flow or level of liquids, steam and gas. Deltapi N transmitters provides a wide selection of measuring elements to match required working pressure ratings and calibrated spans.
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Product
Square Root - Gauge Line Error Indicators
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Parker PGI's SRE6 and GLE6 Indicators are designed to quantify Square Root and Gauge Line Errors in natural gas orifice flow measurement. They identify inaccuracies caused by compressor-induced pulsation and differential pressure discrepancies.
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Product
General Purpose Pressure Transducer and Transmitter
P55
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The robust P55 pressure transducer provides cost-effective reliability for severe test environments. With extreme resistance to shock and vibration, the P55 pressure transducer delivers the same high-level performance expected from more delicate differential pressure transducers and pressure transmitters. With variable reluctance sensing technology, the P55 pressure transducer delivers fast dynamic response, high resistance to vibration and superior signal stability through ambient temperature change for a wide variety of low-pressure to high-pressure measurements. The P55 pressure transducer will accept both liquids and gases directly at the sensing diaphragm and there are no internal isolation fluids to slow the sensor response or cause excessive temperature drift errors.
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Product
Manometers
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Manometers in gauge, absolute, and differential pressures with several unit options including millitorr, inches of water, mmHg Pa, kPa, mmH2O, psi and more. Accuracies up to 0.025% full scale.
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Product
Barometer-Manometer-Thermometer
HD2114B.0
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Barometer-Micromanometer-Thermometer with built-in barometric sensor (600…1100 mbar) for absolute, relative and differential pressure and temperature measurements.
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Product
Gas Permeability Tester with Differential Pressure Method
GPT-203
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GPT-203 Gas Permeability Tester is based on the differential pressure method and is professionally applicable to the determination of permeance and permeability of plastic films, composite films, high barrier materials, sheeting, metal foils.
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Product
Micromanometer-Thermometer – 200 mbar f.s.
HD2134.0
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Portable pressure micromanometer thermometer with 200 mbar built-in sensor. It measures absolute, relative and differential pressure, as well as temperature.
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Product
Pressure measurement
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Powerful instruments for process pressure, differential pressure, level and flow. Whether pressure, level or flow, today pressure measurement technology is often used for measuring liquids, pastes and gases. With a wide range of sensor technology Endress+Hauser offer instruments with perfect fit for any kind of application.
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Product
Cabin Altitude Differential Pressure
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The inner scale displays the difference in pressure between the inside and the outside of the cabin in pounds per square inch (PSI).
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Product
Pressure Measurement
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The Comark range of Pressure Meters is suitable for gauge or differential pressure and positive or negative (vacuum) pressure measurement. These instruments are ideal for applications like H & V, process pressures, laboratories and clean rooms, through to service and maintenance and the calibration of other instruments.
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Product
Photohelic Pressure Switch Gage
A3000
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Photohelic Switch/Gages function as versatile, highly repeatable pressure switches combined with a precise pressure gage employing the time-proven Magnehelic gage design. The Photohelic switch/gage measures and controls positive, negative or differential pressures of air and compatible gases
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Differential Pressure Meters, Micromanometers
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Unprecedented differential pressure measurement accuracy (yet a wide range) for critical pollutant pathway monitoring, ventilation assessment, filter performance testing, general HVAC measurement and many other applications. GrayWolf AdvancedSense meters include auto-ranging dual DP sensors, as well as auto-zeroing (to maintain low-end precision). GrayWolf DP instruments offer broad measurement ranges, yet exceptional sensitivity. They may be utilized for spot checks and for long-term trending of a variety of pressure measurement applications that require high reliability. Choose from the cutting edge AdvancedSense Pro, AdvancedSense BE or the new Zephyr III Meter (which replaces the workhorse “classical” Zephyr II in July 2020).
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Product
Wireless Data Logger System
HD35
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Wireless datalogging system allowing the monitoring of a multiplicity of physical quantities in the most diverse fields of application. Temperature - Humidity - Atmospheric and differential pressure - Illuminance - Irradiance UVA, UVB, UVC, CO, CO2 - Solar radiation - Precipitation - Wind speed and direction, Leaf wetness, Volumetric soil water content, Level, WBGT.
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Product
Pressure Meters
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Suitable for difficult applications such as flue draft measurement & measuring differential pressure of gas/air ratio valves on high efficiency boilers
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Product
Multivariable Transmitters
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The Multivariable transmitter measures and calculates the mass flow as a function of differential pressure DP as well as absolute pressure and the temperature. Therefore it should be used whenever DP flow measurement needs a compensation of temperature and pressure. The main advantage is to have just one single device in the field instead of several transmitters and a mass flow calculator.
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Product
Mask ventilation resistance and pressure differential tester
WKS-3102
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Mask ventilation resistance and pressure differential tester is used to measure the inhalation and exhalation resistance of mask under specified conditions. Applicable to mask manufacturers, labor protection equipment inspection agencies to carry out related testing and inspection of mask products, mask breath resistance tester, breathing valve air tightness tester, breath resistance machine for measuring respirator and mask protection products in Inspiratory resistance and expiratory resistance under specified conditions.
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Product
Pressure Testing
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Types of Pressure Testing Performed at GTS:*Hydrostatic Pressure Testing*Leak Pressure Testing*Burst Pressure Testing*External Pressure Testing*Pressure Testing at Temperature Extremes*Vacuum Pressure Testing*Differential Pressure Testing*Cyclic Pressure Testing
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Product
Floating Contact Null Switch
1640
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The unique electric switch design in the 1640 is another Dwyer Instrument, Inc. innovation. The Dwyer Model 1640 Differential Pressure Switch resembles the Series 1630 switches. The Model 1640, however, is equipped with a single pole, double throw floating contact switch (not snap acting) so it functions as a null switch.
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Product
Water Manometers
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The AC6 Manometers are available in standard or high pressure versions. The AC6-SP Manometer can be used to measure differential pressure in the range 0.5-200 KPa and the AC6-HP Manometer operates in the differential pressure range 2-600 KPa. These electronic water system commissioning test sets have in built valve and orifice plate Kv values which enables the instrument to calculate and display flow rates during commissioning.
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MIL-C-24217 Connectors
107 Series
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The Teledyne DGO 107 Series connectors are rugged, metal shell connectors manufactured and tested to the stringent requirements of Mil-C-24217, and used primarily in Navy dry mate submersible applications where reliability in differential pressure applications is critical.
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Product
Vane Anemometers
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The DPM ANE™ is a unique frictionless design that has no moving parts and no sensing electronics. This robust and durable handheld bi-directional anemometer can be used to measure differential pressure, air velocity and volume, compatible with the Mini Hood Kit, when connected to a suitable micromanometer. With no moving parts and high quality construction, it is almost indestructible in normal day to day usage.
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Product
Pitot Static Tester / AoA TESTER
ADSE 744
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This tester was specifically designed for the new-generation pitot tubes that integrate sensing probes, pressure sensors and powerful air data computer processing to provide all critical air data parameters including Pitot and static pressure, airspeed, altitude, and angle of attack. This Pitot Static tester is designed primarily for flightline use to cover the testing of all barometric and manometric pressure instrument systems. The AoA Channel behaves as a second Ps channel, in order to create a differential pressure between the 2 Ps Channel, allowing to performsimulations of different Angles of Attack. The large touch screen display, with on-screen help, enables all checks to be carried out easily on the flight deck or in the cockpit, by a single operator. The ADSE 744 is robust and housed in amobile weatherproof case. An attached bag contains the pressure hoses and electrical cables.
