Differential Pressure
pressure measurement relative to the surrounding atmospheric pressure.
See Also: Pressure, Absolute Pressure
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Wet/Wet Differential Pressure Transmitter
647
Monitor differential pressure in air/liquid flow systems, HVAC automation, pneumatic systems and process control with the Series 647 Wet/Wet Differential Pressure Transmitter. Units are temperature compensated and provide a 4 to 20 mA output signal which can be interfaced with chart recorders, data loggers and computerized monitoring and control systems.
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Differential Pressure Transmitters
The differential pressure transmitter portfolio from ABB offers a broad variety of communication possibilities. Another highlight of our sensors is the measurement accuracy up to 0.025 %.
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Differential Pressure Transmitter
607
Series 607 Differential Pressure Transmitter combines very low ranges with exceptional stability, reliability and either ±0.25% or ±0.5% accuracy for the most demanding applications. Ranges from 0-0.1" to 0-25" w.c
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Mini-Photohelic Differential Pressure Switch/Gage
MP
The Series MP Mini-Photohelic differential pressure switch/gage combines the time proven Minihelic II differential pressure gage with two SPDT switching setpoints. The Mini-Photohelic switch/gage is designed to measure and control positive, negative, or differential pressures consisting of non-combustible and non-corrosive gases.
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Capsuhelic Differential Pressure Gage
4000
The Capsuhelic gage is designed to give fast, accurate indication of differential pressures. The gage may be used as a readout device when measuring flowing fluids, pressure drop across filters, liquid levels in storage tanks and many other applications involving pressure, vacuum or differential pressure
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Differential Pressure Units
1120 Series
Model 1120 Differential Pressure Unit is a proven and reliable sensing element used in all Meriam Bellows Gauges. It is available in ranges as low as 0-30 w.c. or as high as 0-500 PSI. The light weight and compact differential pressure unit incorporates a rupture-proof and leak-proof bellows plus other features that ensure ruggedness and reliability. This basic unit is suitable for activating indicators, recorders, transmitters, switches and controllers. It is also available as a separate assembly for that purpose.
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Differential Pressure Probes
PP473-S…
Differential pressure probes complete with SICRAM module to measure pressure in the range 10, …, 2000 mbar.
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General Performance Differential Pressure Transducers
These general performance Baratron® differential capacitance manometers measure the difference in pressure between the inlet tube and the reference cavity. The reference cavity can be connected to any pressure or vacuum source, or be open to local atmosphere.
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Explosion Proof Differential Pressure Switch
1950
Model 1950 Explosion-proof Differential Pressure Switch combines the best features of the popular Dwyer Series 1900 Pressure Switch with an integral explosion-proof and weatherproof housing, making it an exceptional value for either application. It is CE, UL and CSA listed
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Handheld Differential Pressure Meter
DHM1100
High accuracy allows deviation to be around 1.5%FS 3 Pa Key query operation, MAX/MIN/AVG value available Extremely low consumption enables 2 AAA batteries to be continuously working for 500 hours Screen backlight guarantees the data to be read at badlight condition
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Pressure/ Vacuum Sensors
There are three different types of pressures that can be measured using Premier Electrosystems' Pressure Sensors: Gauge, Absolute, and Differential. Gauge pressure is the pressure measured relative to the ambient atmospheric pressure.A typical application for a gauge pressure sensor is to measure liquid levels in a vented tank using the difference in hydrostatic pressure and ambient atmospheric pressure. Absolute pressure sensors will give the result relative to zero (a perfect vacuum). This is useful in applications where there is a direct effect of altitude on the pressure being measured. Differential pressure sensors measure the difference in pressure between two points. Differential pressure sensors are often used to monitor airflow in HVAC applications.
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Differential Pressure Transmitter Trainer
Unitech Scales And Measurements Pvt. Ltd
This table top model comprises of two pressure chambers. One for high pressure and another for low pressure. The two pressure chambers are fitted with pressure gauges. The differential pressure transmitter is connected to the two chambers. The pressure is built by a foot air pump. Digital instrument is provided to indicate the differential pressure with transmitter output.
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Barometer-Manometer-Thermometer
HD2114B.0
Barometer-Micromanometer-Thermometer with built-in barometric sensor (600…1100 mbar) for absolute, relative and differential pressure and temperature measurements.
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Residential/Commercial Combustion Analyzer Kit w/ NOx Sensor/ Oil-Fired Appliances/ Printer
C165+NOILKIT
UEi Test & Measurement Instruments
Backed by UEi Service+ to give up to 6 years’ warranty, next day recertification, and a reduced cost of ownership. The C165+ Residential/Commercial Combustion Analyzer is easy to use with a rugged design, multiple sensor protections, altitude compensation and differential pressure. Prints to optional printer and wireless App. The new LINK feature connects the included wireless pipe clamp temperature probes and other optional probes to the C165+. Essential information for installing and maintaining furnaces and boilers all in one device.
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Pressure Transducer Module
PTM-1000
Advanced Thermal Solutions, Inc.
The PTM-1000, Pressure Transducer Module, is a four-channel test instrument for measuring differential pressure in enclosures where air flow integrity is critical to proper performance. As the demand for more energy efficient cooling grows, the need for measuring the pressure at each source of heat generation will follow.
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Pressure Controllers For Closed Volumes
Alicat Scientific, Incorporated
Use dual-valve pressure controllers to measure and control absolute, gauge, or differential pressure in closed volumes. Pressure controllers are accurate to ±0.25% of full scale, with a measurement range from 0.01-100% of full scale.
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Large Diaphragm Differential Pressure Switch
1630
Our highest precision conventional large diaphragm pressure switch provides maximum dependability. In addition, it incorporates a visible set point indicator for maximum convenience. UL and CSA listed, FM approved for general service, these switches are suitable for most applications in air conditioning and industrial service.
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Residential/Commercial Combustion Analyzer Kit w/ Pressure/Printer
C163KIT
UEi Test & Measurement Instruments
Backed by UEi Service+ to give up to 6 years’ warranty, next day recertification, and a reduced cost of ownership. The C163 Residential/Commercial Combustion Analyzer is easy to use with a rugged design, multiple sensor protections, altitude compensation and differential pressure. Prints to included printer and is wireless to a free printer App. Essential information for installing and maintaining furnaces and boilers all in one device.
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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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Floating Contact Null Switch
1640
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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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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High Line Pressure Transducer
P365
The P365D transducer is designed to make low differential pressure measurements at high static line pressures. Operating from unregulated 9 to 55Vdc, the P365D is available with 4-20mA, 5Vdc or isolated 5Vdc output over full scale pressure ranges from 8 to 10,000 psid. The output shift due to static pressure will not exceed 3% of full scale, up to a line pressure of 10,000 psig.
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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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Liquid Flow Controllers
LC-series
Alicat Scientific, Incorporated
The LC-series liquid flow controller uses Alicat’s patented laminar flow design to provide users with fast, accurate, and stable volumetric flow control for water or selected other liquids (see Quick Specs below). At the heart of Alicat’s LC-Series liquid flow controllers is an internally compensated, laminar differential pressure measurement technology that yields linear results over a wide flow range.
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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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Pressure Micromanometer – Thermometer
HD2164.0
Portable pressure micromanometer thermometer with 2000 mbar built-in sensor. It measures absolute, relative and differential pressure, as well as temperature.
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Digital Pressure Gauges
AMETEK Sensors, Test & Calibration
We provide some of the world’s most popular digital test gauges for a variety of applications and markets. Included are intrinsically safe "percent of reading" gauges, process gauges, differential pressure gauges, panel mounted gauges, and gauges specifically designed for use in the maritime industry. Whether you’re looking for a gauge with long battery life to mount in hard to reach locations, a gauge to collect and store readings in the field in extreme conditions, or one that doesn’t require recalibration for up to three years, we have the perfect gauge for you.
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Double Bellows Differential Pressure Switch
DP
Two opposing bellows in the Model DP differential pressure switch result in maximum sensitivity, quick response to changes and good vibration resistance. Choice of brass or 316 stainless steel assures broad media compatibility. Setpoint adjustment is easy thanks to external knobs and large, clear scale reading directly in psid.
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Differential Pressure Meters
These differential pressure meters contain many characteristics that can be found i Differential Pressure Meters for measuring differential pressures of gases and liquids in the industrial sector, in medical engineering and meteorologyn modern measuring instruments such as data hold function, LCD or LED display, internal memory and the ability to transfer data to a computer and software for processing measurement values. Some models come with an analogue output.
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Condensate Chambers
Parker Condensate Pots play a key role in maximising the accuracy of differential pressure flow measurement on steam or vapour applications. Condensate Pots can significantly improve flow measurement accuracy in differential pressure measurement systems by providing an interface between the vapour and liquid phases.
