Differential Pressure
pressure measurement relative to the surrounding atmospheric pressure.
See Also: Pressure, Absolute Pressure
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Low Differential Pressure Switch
1900
Our most popular series combines advanced design and precision construction to make these switches able to perform many of the tasks of larger, costlier units. Designed for air conditioning service, they also serve many fluidics, refrigeration, oven and dryer applications
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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 Meters, Micromanometers
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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Differential Pressure Switches
P845
The Whitman Controls P845 Differential Pressure Switches are rugged and versatile, with excellent by-pass characteristics and the ability to handle a wide variety of media to 6,000 PSIG and set point ranges to 250 PSID. These switches are NEMA 4 rated and can tolerate submersion. They are commonly used across oil and water filter heads to detect when a filter element needs changing. It may be mounted in any orientation and is capable of carrying light to moderate mechanical shock and vibratory loads.
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Differential Pressure Transmitter
616W
Positive, negative and differential pressures can be measured within a full span accuracy of ±0.25 with the Series 616W Differential Pressure Transmitter. Units are enclosed in a polycarbonate case, rated NEMA 4X (IP66) and operate by sensing the pressure of air and compatible gases then sending a standard 4-20 mA output signal.
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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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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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Industrial Differential Pressure Transducers
These industrial Baratron® capacitance manometers feature differential pressure measurement, industrial enclosures, and higher operating temperature ranges for industrial applications.
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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 and Temperature Data Logger
PRTemp1000D
The PRTemp1000D is a rugged pressure and temperature data logger designed to accurately monitor and record pressure and temperature at user programmable reading intervals. The rugged stainless steel design allows for the device to be placed in harsh environments, which makes it well suited for use with air conditioning systems, chilled water, hot water, air, gas, oil and steam pressure systems.
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Minihelic II Differential Pressure Gages
2-5000
Combining clean design, small size and low cost with enough accuracy for all but the most demanding applications our Minihelic II gage offers the latest in design features for a dial type differential pressure gage. It is our most compact gage but is easy to read and can safely operate at total pressures up to 30 psig.
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Wet/Wet Differential Pressure Transmitter
655
The Series 655 Wet/Wet Differential Pressure Transmitter converts a positive or a positive differential pressure measurement into a standard 4-20 mA output signal. Designed for use as a wet/wet differential pressure transmitter, units can be used to measure gas or liquid pressures compatible with 316/316L stainless steel wetted parts
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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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Explosion-Proof Differential Pressure Switch
H3
Explosion-proof, heavy duty, industrial unit has patented and unique new design which provides sensitivity to differential pressures as low as 10 inches of water (254 mm w.c.), yet handles total pressure of 1500 psi (103 bar). Unlike common differential pressure switches that use a piston-type motion transfer, the Series H3 utilizes a rotary motion transfer shaft that prevents a change in total pressure from causing a setpoint shift.
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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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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 Flowmeters
From simple orifice plates through to custom-engineered metering systems, ABB's differential pressure (DP) flowmeters measure a variety of fluids including water, air, steam, heavy oil, slurries and molten sulfur.
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Compact Economic Differential Pressure Switch
PDPS
The Series PDPS's large diameter diaphragm and snap action switch make it dependable and ideal for OEM applications. The Series PDPS Pressure Switches are available for pressure, vacuum, and differential applications and are factory preset for pressures from 0.07 in. of w.c. to 1.0 in. of w.c. with full-scale repeatability of ±0.02 in. of w.c.
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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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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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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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Differential Pressure Transmitter
668
Our low cost Series 668 Differential Pressure Transmitter is capable of measuring low pressures with a ±1% accuracy - ideally suited for proper building pressurization and air flow control. Transmitters can withstand up to 10 psig overpressure with no damage to the unit. Variable capacitance sensor design provides excellent sensitivity and long-term stability.
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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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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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Magnehelic Differential Pressure Gage
2000
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
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Differential Pressure Transmitter
DPA Series
Adtek has multiple transmitters which can be applied on different types of work environment. To have a better quality of life, buildings with central centilation system (CVS) become a trend, so we recently developed a new product, DPA, indoor differential pressure transmitter. The users can set up the measured range according to the actual use, and make zero adjustment for the differential pressure. Besides being equipped with regular analog outputs, we also added RS-485 output to DPA which is a simple and low cost communication tool connecting with monitoring system.
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Medical Masks Differential Pressure Tester
Sataton Instruments Technology CO., Ltd
Medical face mask differential pressure tester also called mask breathility tester is to determine the breathability of medical face mask materials. The tester can measure the differential pressure (Delta P) required to draw air through a measured surface area at a constant air flow rate is used to measure the air exchange pressure of the medical face mask materials. By providing the suction air through the holding sample, the tester can measure the Delta P by differential pressure transducer. It is to determine the air permeability and using comfort of the materials for medical mask.
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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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Mass Burette Flow Detector
FX-1100 Series
The FX-1100 Series Mass Burette Flow Detector takes the position of the fluid surface inside the burette as the head pressure using the differential pressure detector attached at the bottom and directly measures the flow of fluid as a mass based on changes in this pressure. It does not require calculation correction of temperature and specific gravity, and has many advantages such as high accuracy and extremely less affected by air bubbles, which enable to measure fuel consumption in the tests such as chassis dynamometer and engine bench. The 3 models are available according to the measurement range and application.
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Static Pressure Meters
Portable dual port manometer accessory head for use with our modular multimeters (DMMs) and instruments. Measures gas pressure, static pressure and pressure differential. The ADMN2 includes a zero adjust and the Auto Power-Off (APO) function to conserve battery life. Disable APO for data logging. The ADMN2 measures pressure between -60inWC and 60inWC (inches of water column) and -150.0 to 150.0 mBar. The ADMN2 also measures P1 or P2 pressure readings and calculates the difference between P1 and P2. Take static pressure measurements using the resolution mode of 0.01inWC or 0.01mBar.





























