Differential Pressure
pressure measurement relative to the surrounding atmospheric pressure.
See Also: Pressure, Absolute Pressure
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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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High Line Pressure Variable Reluctance Pressure Sensor to 10,000 psid
DP360/DP363
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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Mask ventilation resistance and pressure differential tester
WKS-3102
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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Ruggedized Pressure Transducer
P24
The P24 Differential Pressure Transducer is the combination of a variable reluctance pressure transducer and a miniature carrier demodulator integrated into a single package to provide for operation from mobile dc power and deliver a standardized dc output suitable for recording or telemetry.
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Barometers
These barometers can be found in the section to measure absolute pressure, differential pressure in respect to the atmosphere and negative pressure. There are barometers such as the DB2 digital barometers that have an internal memory for up to 750 Barometers to measure absolute pressure, differential pressure in respect to the atmosphere and negative pressure. readings and an analogue output of 0 to 1 volts. These barometers are perfect to measure atmospheric pressure, also called barometric pressure, is an expression for the weight of air (atmosphere) due to the earth''s gravitational pull. This pressure at sea level is 1013.25 mbars (milibars).
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Pressure Transducers with CAN Bus Interface
P66
The Validyne model P66 is a digital differential pressure transmitter designed for industrial pressure measurement applications. The on-board microprocessor provides high accuracy and improved stability in changing thermal environments. Communication via CAN Bus provides remote zero and span adjustment as well as digital pressure readings in engineering units or pressure counts.
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Wet/Wet Differential Pressure Transmitter
645
Series 645 Wet/Wet Differential Pressure Transmitters are designed for use with compatible gases and liquids which can be applied to both the pressure and reference ports. Quick response capacitance sensor delivers a 4 to 20 mA output signal proportional to differential pressure with ±.25% accuracy.
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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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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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XP2i Digital Pressure Gauge
AMETEK Sensors, Test & Calibration
We provide some of the world’s most popular XP2i 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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True Airspeeds
These true speed indicators are differential pressure indicators that measure the difference between static and total pressure produced by ram air from the pitot. The indicated airspeed can be corrected for changes in altitude by turning the knob to align the outside air temperature with the altitude. The moveable airspeed scale will then show the actual, or true, airspeed.
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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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Pressure Micromanometer – Thermometer Data Logger
HD2164.2
Portable Micromanometer-Thermometer data logger with 2000 mbar built-in sensor. It performs measure of absolute, relative, differential pressure and temperature.
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Manometers
We offer manometers to determine absolute pressure, negative pressure or differential pressure in air and liquids. All our manometers are controlled by micro processors to guarantee the highest accuracy. Our manometers display quick results and our technical staff will advise you regarding our measuring instruments.
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Alnor Micromanometer
AXD610
The Alnor® Micromanometer AXD610 is an easy to use, handheld digital micromanometer for fast, accurate and reliable pressure measurement. It can also calculate velocity when used with a pitot tube. Ideal applications include HVAC commissioning and troubleshooting, testing and balancing, Pitot tube duct traverses, static pressure measurements and differential pressure measurements.
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Residential/Commercial Combustion Analyzer Kit for Oil-Fired Appliances /Printer
C165+OILKIT
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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Single and Dual Differential Pressure Switch
1620
Our old faithful switch design is still best where highest precision combined with diaphragm sealed leak proof construction and mounting simplicity are required. Model 1626 and 1627 differential pressure switches are identical in design and construction except that Model 1626 has a single electric switch and Model 1627 has dual electric switches.
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Pressure And Temperature Measuring
ESS3 series
The devices of the ESS3 series are used to measure and save the pressure, differential pressure, temperature, and quantity in supply networks for gas, water, and other media. The portable data loggers with battery backup saves the pressure history for up to several years. They can also be used in hazardous areas (Zone 1).
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Differential Pressure Transmitter
636D
The Series 636D Differential Pressure Transmitter can be used for measuring pressures of liquids, gases & vapors. All available ranges have an excellent 0.5% F.S. accuracy with a 4-20 mA Output standard or optional 1-5 VDC output.
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Piston Gauges
Fluke Calibration piston gauges provide reference level primary pressure measurements for some of the top laboratories in the world. Our piston gauge lineup includes models that offer full automation. Our primary level pressure balances utilize a fundamental equation to determine generated pressure with very low levels of uncertainty. Piston gauge models include PG7000 and PG9000 DHI systems with AMH automated mass handling and other automation hardware; 2465, 2468, 2470 and 2485 Ruska piston gauges and 24xx differential pressure cell and other piston gauge accessories; FPG8601 DHI very low pressure standard; 2482 Ruska differential pressure standard. Standard pressure calibration.
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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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Power Transfer Unit
The PTU is a bi-directional, back to back, variable/fixed displacement unit, with a differential pressure compensated displacement control. Displacement of the variable displacement unit is varied to maintain the required running and breakout pressure differential between the yellow and green systems.
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Differential Pressure Adapter w/ App Compatibility
DPA1
UEi Test & Measurement Instruments
The DPA1 measures positive, negative and differential pressure and is compatible with iOS® and Android™ mobile devices. Measurement units can be selected from the following scales: InH2O, mmH2O, psi, bar, mBar, kPa, InHg and mmHg. The mobile device screen will display a numeric reading. And is backed by a 1-year warranty.
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Clear Room Logger Transmitter
HD50CR
The HD50CR is the ideal solution for monitoring of differential pressure, temperature and humidity in Clean Room 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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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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Manometer-Thermometer
HD2304.0
Handheld manometer-thermometer with LCD display. It performs measurements of absolute, relative and differential pressure, and temperature.
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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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Liquid Flow Meters
L Series
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.
