Differential Pressure
Todays deals on Differential Pressure?
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New Fluke 700P00 Differential Pressure Module, 1.000 in H2O / 0.25 kPa $1,650.00 |
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NEW ROSEMOUNT 3051 DIFFERENTIAL PRESSURE TRANSMITTER $1,399.99 |
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New Fluke 700P01 Differential Pressure Module, 10.00 in H2O / 2.5 kPa $1,229.95 |
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New Fluke 700P04 Differential Pressure Module, 15 PSI / 103 kPa $1,229.95 |
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New Fluke 700P03 Differential Pressure Module, 5 PSI / 34 kPa $1,229.95 |
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New Fluke 700P02 Differential Pressure Module, 1.0000 PSI / 6900 Pa $1,229.95 |
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New Fluke 700P23 Differential Pressure Module, 5 / 34 kPa $1,229.95 |
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New Fluke 700P22 Differential Pressure Module, 1 PSI / 6900 Pa $1,229.95 |
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New Fluke 700P24 Differential Pressure Module, 15 PSI / 103 kPa $1,229.95 |
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OMNIGUARD 4 DIFFERENTIAL NEGATIVE PRESSURE RECORDER NEW IN BOX WITH WARRANTY $1,150.00 |
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OMNIGUARD 4 DIFFERENTIAL NEGATIVE PRESSURE RECORDER NEW IN BOX WITH WARRANTY $1,150.00 |
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NEW ROSEMOUNT Differential pressure flow meter 3051 03031-0761-0022 $1,000.00 |
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NEW FOXBORO D/P CELL DIFFERENTIAL PRESSURE TRANSMITTER $999.99 |
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ITT Barton -Differential Pressure Gage P/N F278-1340-2 $995.00 |
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Testo 0560 4353, 435-3 Multifunction HVAC, IAQ Meter with Differential Pressure $990.00 |
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Omniguard 4 Differential Pressure Recorder Mint $999.99 |
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ITT Barton Chart Recorder Differential Pressure $850.00 |
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BELL & GOSSETT RO5 Read out Kit Differential Pressure Fluid Handling Nos USA $900.00 |
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Schlumberger LH 316 55 Differential Pressure Transducer $859.63 |
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WALLACE&TIERNAN 7psi Differential Pressure $800.00 |
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WALLACE&TIERNAN 60 InH2O Differential Pressure $800.00 |
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WALLACE&TIERNAN 10 InH2O Differential Pressure $800.00 |
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WALLACE&TIERNAN 100 InH2O Differential Pressure $800.00 |
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WALLACE&TIERNAN 20 InH2O Differential Pressure $800.00 |
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WALLACE&TIERNAN 200 InH2O Differential Pressure $800.00 |
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Murphy differential pressure switch gage 7657-14-3 5488 $780.00 |
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OFFER& WIN ROSEMOUNT Differential Pressure 041-000-253 $650.00 |
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Barton Pressure differential Gauge with switching capability $700.00 |
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NEW BRANDT PI-DPT 2230-6.0″-PM DIFFERENTIAL PRESSURE TRANSMITTER $699.99 |
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NEW BRANDT PI-DPT 2230-3.5″-PM DIFFERENTIAL PRESSURE TRANSMITTER $699.99 |
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NEW BRANDT PI-DPT 2230-8.0″-PM DIFFERENTIAL PRESSURE TRANSMITTER $699.99 |
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NEW BRANDT PI-DPT 2230-4.0-PM DIFFERENTIAL PRESSURE TRANSMITTER $699.99 |
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Fluke 700P23 Differential Pressure Module 5 PSID/G 34 kPa 340 mbar $655.00 |
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Fluke 700P01 Differential Pressure Module 10 Inch H2O (2.5 kPa) 316SS C276 $599.00 |
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Fluke 700P04 Differential Pressure Module 15 PSID/G (100 kPa) 316SS C276 $599.00 |
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NEW MKS 225A-26089 DIFFERENTIAL PRESSURE TRANSDUCER 50 TORR 3000890 B $600.00 |
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Fluke 700P02 Differential Pressure Module 1 PSID/G – Calibrated and Certified $599.99 |
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Fluke 700P23 Differential Pressure Module Wet 5 PSID/G Calibrated & Certified $599.99 |
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Fluke 700P01 Differential Pressure Module 10 Inch H2O Calibrated and Certified $599.99 |
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NEW VIATRAN 3745CEDDH DIFFERENTIAL PRESSURE TRANSDUCER NIB $595.00 |
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Fluke Calibrator Differential Pressure Module Wet 700P24 15 PSID/G 100 kPa 1Bar $599.99 |
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Fluke 700P01 Differential Pressure Module 10 Inch H2O (2.5 kPa) 316SS C276 $549.00 |
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Fluke 700P01 Differential Pressure Module 10 Inch H2O (2.5 kPa) 316SS C276 $549.00 |
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DWYER INSTRUMENTS 603A-2LCD 603A-2-LCD DIFFERENTIAL PRESSURE TRANSMITTER – NEW S $560.00 |
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Fluke 700P03 Differential Pressure Module 5 PSI (34 kPa) 316SS C276 $539.00 |
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Fluke 700P23 Differential Pressure Module 5 PSID/G CALIBRATED with WARRANTY $539.00 |
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Fluke Calibrator Differential Pressure Module Wet 700P23 5 PSID 34 kPa 340 mBar $549.99 |
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OMNIGUARD III Differential Pressure Recorder, Used $549.99 |
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KANOMAX DH-004, Digihelic Differential Pressure Controller $527.00 |
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Omniguard 4 Differential Pressure Recorder NICE! $499.00 |
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Omega PX821-005DV 5 PSI , 10 VDC rugged wet/wet differential pressure & DP87 $499.99 |
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ASHCROFT XL-3-MBA-42-ST-P5IW DIFFERENTIAL PRESSURE TRANSMITTER *NEW IN BOX* $460.00 |
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Honeywell 3000 ST Differential Pressure Transmitter STR12D-21B-1EOAFAAA1000 NIB $399.95 |
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Fukuda Model MI-170 Multi Indicator, Manometer Differential Pressure Leak Tester $424.15 |
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Fluke Pressure Modules » Fluke 700P01 Differential Pressure Module (10 in. H2O) $399.00 |
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Fluke 700P04 Differential Pressure Module $399.00 |
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700P02 Differential Pressure Module $399.00 |
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Fluke 700P24 Differential Pressure Module Wet $399.00 |
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Fluke 700P22 Differential Pressure Module Wet $399.00 |
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Fluke 700P03 Differential Pressure Module $399.00 |
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VIATRAN 3745CEDDH DIFFERENTIAL PRESSURE TRANSDUCER $399.00 |
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SOR 17RB-CX3-U9-C2A-X _J17 Differential Pressure Switch $414.99 |
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SMAR LD301 NEW Differential Pressure Transmitter Hart w/ SR301S SS Remote Seals $399.99 |
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Azbil DSTJ 3000 JTE929A Remote-sealed Type Differential Pressure Transmitter $399.99 |
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Orange Research Pressure Differential Flow Switch 1516DS-1C-14 FREE Shipping $395.00 |
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DT-8897 Differential Pressure Gauge Air Flow Velocity T $389.99 |
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DT-8897 Differential Pressure Gauge Air Flow Velocity T $389.99 |
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DT-8897 Differential Pressure Gauge Air Flow Velocity T $389.99 |
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Foxboro Stainless Differential Pressure Transmitter 11DM-CS2 Maximum 750 PSI $349.99 |
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Pennwalt Wallace and Tiernan Pressure Gauge 1500 62A-4D-0800 Differential $350.00 |
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SETRA MODEL 264 – DIFFERENTIAL PRESSURE TRANSDUCER – 2641005WD11A1F NIB $349.00 |
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SETRA MODEL 264 – DIFFERENTIAL PRESSURE TRANSDUCER – 2641005WD11T1F NIB $349.00 |
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SETRA MODEL 264 – DIFFERENTIAL PRESSURE TRANSDUCER – 26410R5WD11T1F NIB $349.00 |
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SETRA – DIFFERENTIAL PRESSURE TRANSDUCER – 2641001WD11T1F NIB $349.00 |
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ROSEMOUNT 1151 SMART ALPHALINE DIFFERENTIAL PRESSURE TRANSMITTER $340.00 |
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ROSEMOUNT 1151 ALPHALINE DIFFERENTIAL PRESSURE TRANSMITTER $340.00 |
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Rosemount 3051CD Differential Pressure Transmitter & 305 Manifold 3051 C CD $345.00 |
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The BOLLFILTER Differential Pressure Indicator TYP 4.36.2 $300.00 |
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Foxboro Differential Pressure Transmitter with sensors IDP10-DS1C01F-SO1FDRJM1L1 $299.99 |
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United Electric J21K-140 Series Differential Pressure Switch $315.00 |
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SALE! LOT OF (6) NOS J21K-232 UNITED ELECTRIC DIFFERENTIAL PRESSURE SENSORS $299.99 |
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Statham Differential Pressure Transducer 0 to 5 PSID (Used) $299.00 |
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@J1 Ashcroft Pressure Differential Transmitter Control Switch 1 “WC water Low $295.00 |
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@J2 Ashcroft Pressure Differential Transmitter Control Switch 600 PSI Oxygen CL $295.00 |
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@J3 Ashcroft Pressure Differential Transmitter Control Switch 25″ WC low air gas $295.00 |
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@Q7 Ashcroft Differential Low System Automation Pressure Gauge PSID PSI # 10 $295.95 |
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ASHCROFT XL-3-MB2-42-ST DIFFERENTIAL PRESSURE TRANSMITTER *NEW IN BOX* $300.00 |
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COLE PARMER ,DIFFERENTIAL PRESSURE TRANSMITTER 68014-00 $279.98 |
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ASHCROFT XLdp DIFFERENTIAL PRESSURE TRANSMITTER NEW $274.95 |
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YAMAMOTO MANOSTAR DIFFERENTIAL PRESSURE SWITCH MS65L NEW MS65 $275.00 |
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NEW Moore 340D Differential Pressure Transmitter-Controller 340 340DABS12B5NN13 $285.00 |
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Allen Bradley 836-C2J Differential Pressure Control Switch Series A 65Psi 600V $284.95 |
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Yamamoto Manostar MS65FL Differential Pressure Switch $249.00 |
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OMEGA PX656-25DI DIFFERENTIAL PRESSURE TRANSMITTER ***NIB*** $264.00 |
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DWYER DIFFERENTIAL PRESSURE GUAGE #4ME86 $275.00 |
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OMEGA PX656-01DI DIFFERENTIAL PRESSURE TRANSMITTER ***NIB*** $249.00 |
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Manosys differential pressure transmitter emt $220.00 |
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1 ASHCROFT XLdp DIFFERENTIAL PRESSURE TRANSMITTER Q2-2 $249.99 |
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SETRA Wet/Wet Differential Pressure Transducer 2301050PD2F11B 0-50 PSID 24VDC $250.00 |
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DWYER DIFFERENTIAL PRESSURE TRANSMITTER 607-7 *NEW IN BOX* $260.00 |
Differential Pressure Questions
Pressure Transducer Applications in the Offshore Oil Industry
The world wide offshore oil industry uses many types of pressure transducer for control and measurement in processes, drilling controls and down hole tools. With the need to find oil in more inaccessible places the equipment used in exploration, drilling and production becomes ever more complex and the use of pressure transducer products is on the increase.
A few uses for pressure transducer sensors are:
Wellheads
Wellhead assemblies and Christmas tree use a range of pressure transducer sensors to monitor wellhead pressure. Due to the hazardous area the pressure transducer has to be of intrinsically safe or explosion proof design. A pressure transducer used in this application also needs to be rugged and weatherproof. The Omni series 23EXD and 23IS pressure transducer types meet both of these requirements.
Downhole Tools
Various types of pressure transducer are used in downhole tools to monitor hydraulic pressure, and pipeline oil pressure. Often a high pressure transducer is required, with a high operating temperature range due to the extreme environment. The Omni series 10 and series 8 pressure transducer models offer ranges up to 1000 bar with operating temperatures up to 150 degrees C.
Subsea Hydraulic Manifolds
Subsea hydraulic packs are used for various control applications in offshore oil production. Subsea hydraulic packs may use up to 10 pressure transducer units. The pressure transducer has to be made to the smallest design, and be able to work with high external case pressures. In this instance the pressure transducer may have the external housing removed with the bare PCB exposed to the environment to reduce the profile, with oil filling used to stop any seawater ingress.
Intelligent Pigs
Subsea pipe lines are tested on a regular basis with an intelligent pig. The pig may be fitted with several pressure transducer types to monitor pipeline pressure, and hydraulic pressure. Also a differential pressure transducer may be used to measure the difference in pressure between the front and back of the pig. As these devices are usually battery powered it is important to select a pressure transducer with low power consumption. The Omni series 10 pressure transducer only draws around 1mA and is ideal for these applications.
Core Analysis
In core analysis an oil sample may be forced at high pressure through a section of rock core. A pressure transducer in this application needs to provide high accuracy measurement up to 10,000 PSI and be constructed of either hastelloy or monel to avoid corrosion of the diaphragm. The Omni series 23 and 25 pressure transducer meets this requirement.
Drilling Mud Systems
It is often a requirement to use a pressure transducer in mud flow lines. In these applications a pressure transducer with a flush diaphragm is required. This is because with a normal pressure transducer the pressure port is only 3 mm diameter, and is prone to clogging with mud particles. The Omni series 25 pressure transducer have a G1/2” or G3/4” flush diaphragm and can e supplied in EXD or IS format for hazardous area use.
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About the Author
Jim Furness is CEO of Omniinstruments Ltd, specialists in pressure transducer and other instrumentation solutions such as ultrasonic flow meter.
Differential Pressure Videos
The Differential Pressure Flow Measuring Principle (Orifice-Nozzle-Venturi)
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