Differential Pressure
pressure measurement relative to the surrounding atmospheric pressure.
See Also: Pressure, Absolute Pressure
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Micro-differential Pressure High-precision Digital Pressure Sensor [For Gas]
DP-M
Panasonic Industrial Devices Sales Company of America
Due to differential pressure sensing, the pressure can be set with a high resolution of 0.01kPa over a pressure range of 0 to 2.00kPa. Three large, red, 7-segment LEDs are incorporated into a compact body and can easily be read, even in well lit places.
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Ultra-thin Mass Flow Controller
DZ-100
The DZ-100 inherits the same CRITERION™ technology—a differential pressure detection system for laminar viscous flow ranges—used on HORIBA STEC’s MFC, the D500. This innovative technology controls the mass flow of various gases with high precision. As with the D500, the user-configurable DZ-100 supports multi-range and multi-gas applications. The compact design of the MFC reduces the internal volume of the internal gas flow path, and the optimized control algorithm improves response characteristics. It uses a compact CPU with high processing capacity, and the piezo drive circuit and control CPU are installed in the MFC module while the power supply components are housed in a separate small control box. Up to four MFC modules can be controlled by connecting them with the dedicated miniature connectors.
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Pressure Controllers for Flowing Processes
Alicat Scientific, Incorporated
Use pressure controllers when gas is flowing through a process. They control absolute, gauge, or differential pressures, and can measure in-line pressures or be plumbed to measure process pressures at any point.
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Compact Differential Pressure Transmitters
Series 668B/D
Our low cost SERIES 668B/D Compact Differential Pressure Transmitters are capable of sensing differential gage pressure with ±0.8% FS accuracy, and converts this pressure difference to a proportional high level analog output for both unidirectional and bi-directional pressure ranges. These transmitters can withstand up to 15 psig overpressure with no damage to the unit. The compact, lightweight design makes installation simple and easy. Units are protected against incorrect wiring, and include a protective terminal cover.
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Low Pressure Variable Reluctance Sensor
DP45
The Validyne DP45 Very Low Differential Pressure Transducer is designed for extremely low pressure measurement in the order of 1 inch water column. This instrument is used extensively in connection with flow measurements where dynamic response at low flow rates is required. Dynamic line pressure effects are minimized due to the combination of low internal volume, symmetrical construction, and small volumetric displacement inherent in the DP45 design.
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Pressure Measurement
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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Pressure / Manometers
Sper Scientific handheld manometers, vacuum, and pressure meters are ideal for measuring low differential pressure in clean rooms, test and balance, medical equipment, HVAC, pneumatic systems and computer peripherals.
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AD06A Baratron® Differential Pressure Sensor
AD06A Baratron® differential pressure sensors are single-ended dual-electrode/AC bridge devices that are extremely stable and designed to minimize the effect of temperature changes. Full Scale ranges are available from 25,000 Torr down to 0.1 Torr. Each range measures down to 1 part in 106 Full Scale with selected percent Reading accuracy limited by this resolution and with accuracies ranging from 0.25% to 0.05% of Reading. They are constructed of Inconel® and stainless steel, allowing use with many wet, dirty, or corrosive gases.
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Differential Pressure Gauge
XP2i-DP
AMETEK Sensors, Test & Calibration
Ultra rugged, intrinsically safe, Differential Pressure Gauge with 0.1% of reading accuracy, capable of continuous vacuum measurement.
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Differential Pressure Transmitter
DPW
•Wide range power supply•Measure by diffusion silicon sensor , advanced membrane isolation•Connection reverse protect ,OVP、OCP•Design for anti-interfere, anti-lightning strike•Compact and easy to install•2mS response time ,high accuracy ,high stability
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Water Manometers
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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Low Pressure Transmitters
HD404T / HD404ST Series
Very low pressure relative or differential pressure, Low range 50 Pa, 4-20 mA or 0-10 Vdc
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Pitot Static Tester / AoA TESTER
ADSE 744
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.
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Handheld Portable Multifunction Data Logger
HD31
Three independent input channels Automatic recognition of the probes - Measurement of Temperature Relative Humidity Atmospheric and differential pressure Air Speed Illuminance (lux) and Irradiance Carbon dioxide (CO2) – Air Quality Direct voltage (VP473 module) and current (IP472 module).
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HVAC/Indoor Air Quality
We rely on HVAC equipment to maintain acceptable temperature, humidity and ventilation levels for occupant health and comfort, and, now more than ever, to help regulate building health and manage increasing energy costs. The relationship between HVAC equipment, occupied space requirements, building materials, weather conditions and pressure differentials is an ever-changing dynamic process for indoor air diagnostics (IAD).
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General Purpose Pressure Transducer and Transmitter
P55
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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Very Low Pressure Variable Reluctance Sensor
DP103
The Validyne DP103 is designed for exceedingly low differential pressure measurement applications where high accuracy is required under rough physical conditions. With full scale ranges down to -0.008 psid (-0.56cm H2O), this instrument is being used in the measurement of very low flow rates of gases where symmetrical pressure cavities are required for dynamic response. It is also used in very small leak detection and pressure null detection systems.
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Gas Differential Pressure Switch
A4
Rugged Series A4 Differential Pressure Switch offers field adjustments and can handle system pressures up to 6000 psig. Piston design allows mounting in any orientation. The switch is capable of carrying moderate shock and vibratory loads
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Pressure Meters
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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Differential Pressure Transmitter
DST1100
Measuring resolution high to 1Pa, best accuracy of 1.5%FS3Pa Customized differential pressure measuring range between -1000 and 1000Pa Support on-line linear calibration and zero setting Optional analog signal and digital signal Digital calibration technology, on-line calibration supported Toxicity and halogen free material, complying with different GXP standard
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Air Leak Testers
Air Leak Tester is the automatic leak detector detects any leaks by the minute change of differential pressure and conducts OK/NG judgment. Ideal to be built into a production line for a labor saving and a quality control purpose.
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Pressure Manometer
These devices indicate the difference between two pressures (differential pressure), or between a single pressure and atmosphere (gage pressure), when one side is open to atmosphere.
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Gas Permeability Testers
Gas Permeability Tester (Gas Transmission Rate Tester) is based on the differential pressure method and is professionally applicable to the determination of gas transmission rate of plastic films, composite films, high barrier materials, sheeting, metal foils, rubber, tires and permeable membrane.
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Digital Differential Pressure Manometer
Si-PM3
The palm-sized Sauermann Si-PM3 digital differential pressure manometer easily measures pressure.
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Square Root - Gauge Line Error Indicators
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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Vane Anemometers
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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Manometer for Differential Pressure
MANO2-A
An instrument for measuring the pressure acting on a column of fluid, especially one with a U-shaped tube of liquid in which a difference in the pressures acting in the two arms of the tube causes the liquid to reach different heights in the two arms.
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Pressure Transducers
Alicat Scientific, Incorporated
Use pressure transducers to rapidly measure absolute, gauge, or differential pressure. Common configurations include portable and anti-corrosive designs. Custom build options include anti-corrosive and portable configurations.
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Multivariable Transmitters
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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Micromanometer-Thermometer – 20 mbar
HD2114.0
Portable pressure micromanometer thermometer with 20 mbar built-in sensor. It measures absolute, relative and differential pressure, as well as temperature.
