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Wet/Wet Differential Board Mounted Pressure Sensors

0 to 250 psi, Gauge Pressure

$73.38

Item# PX26-250GV

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Quantity Price each
1-4 $73.38
5-9 $69.71
10-24 $68.24
25-49 $65.31
50-99 $63.84
100+ $62.37

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Lead Time ( If not in Stock): 7 weeks

0 to 250 psi, Gauge Pressure PX26-250GV PX26-250GV
  • Wet/Wet Differential Pressure
    Water and Many Other Liquids May be Applied to Both Sides
  • Gage and Differential Models Available
  • Miniature PC Board Mountable Design
  • SIP 4-Pin Package

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Pressure Range Unit
Pressure Range Min
Pressure Range Max
Pressure Range
Pressure Type
Accuracy Class
Accuracy Value (compensated range)
Output Signal
Electrical Output
Pressure Port Size
Pressure Port Type
Connection/Termination
Operating Temperature Range


Product Specs

  • Accuracy Value 0.25
  • Excitation 10 Vdc
  • Input Resistance 7.5 kΩ
  • Output Resistance 2.5 kΩ
  • Repeatability 0.2% FS
  • Wetted Materials Silicon Diaphragm
  • Zero Balance ±1.5 mV

OMEGA’s PX26 Series pressure sensors feature state-of-the-art silicon technology which permits both sides of the diaphragm to handle liquids. A unique conductive seal between the silicon diaphragm and the plastic housing allows for wet/wet applications and lower production costs than typical gold wire silicon sensors. This new construction has a larger diaphragm than traditional silicon sensors, resulting in increased long-term stability.

SPECIFICATIONS
Excitation:10 Vdc, 16 Vdc max @ 2 mA
Output (@ 10 Vdc):1 psi = 16.7 mV, 5 psi = 50 mv; >5 psi = 100 mV; 250 psi = 150 mV
Linearity:±0.25% FS BFSL Typical
(±1% maximum) P2>P1
Hysteresis and Repeatability:0.2% FS
Zero Balance:±1.5 mV
Span Tolerance:±3.0 mV
1 Year Stability:0.5% FS
Operating Temperature:-40 to 85°C (-40 to 185°F)
Compensated Temperature:0 to 50°C (32 to 122°F)
Thermal Effects:
Zero: 1 mV Span: 1% Rdg
Proof Pressure:20 psi for ≤5 psi;
45 psi for 15 psi ; 60 psi for 30 psi
200 psi for 100 psi range
Input Resistance:7.5kΩ
Output Resistance:2.5kΩ
Response Time:1 ms
Gage Type:Silicon sensor
Wetted Parts:Polyethimide, silicon, fluorosilicone
Mating Connector:CX136-4, ($2.50), not included
Weight:2 g (0.07 oz)

Rated 3 out of 5 by from Sometimes OK but sometime not We bought this a month ago for our water pressure loop test, initally it was good and be sensitive to pressure drop changes and read correctly. However, after switching and squeeze air out of in and outlet lines, found the connection was easy to break and get wet so readings were really out of range.
Date published: 2019-01-23
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What voltage regulator should be used for this transducer? Is there one commercially available?

Asked by: Shishir
Dear Shishir, Excitation: 10 Vdc, 16 Vdc max @ 2 mA Any regulated 10 volts DC power supply will work. You can use our PST-4130 power supply.
Answered by: SAE OE
Date published: 2020-06-09

I'm using a PX26-005DV to measure the pressure drop . At high flow rates, the sensor works but at low flow rates where pressure drop is 0.01 psi, the sensor gives negative value. Is it because of range of the sensor? would PX26-001DV solve the problem?

Asked by: Hoomichi
Hoomichi, you are trying to measure a pressure drop that is too low to be captured by this sensor. This is a low cost unit that can measure at quarter percent accuracy. Please see the PX409 differential series models for better measurement. For more questions please email pressure@omega.com
Answered by: SAE DVJ
Date published: 2020-12-30

We are using an omega sensor that looks to be from the PX26 family for differential pressure. The sensor is etched with the code 6BF60 and 201033N. We want to have a spare. Can anyone equate the sensor we have with a current model we can purchase?

Asked by: Flowloop
Code 6BF6D is the equivalent to our PX26-005DV
Answered by: Applications Engineer JK
Date published: 2021-05-19

This sensor says that it is for wet applications.... Is it possible to use this with air, or would that not work well/correctly?

Asked by: windyNY
Any of our sensors that we state are for wet application will also work fine use with gases. Air would be just fine.
Answered by: Applications Engineer JK
Date published: 2021-04-08

How high of a vacuum will this sensor tolerate? I don't need a vacuum readout, but it would likely experience a vacuum equivalent of ~50-75 psi.

Asked by: You betcha
This unit is not designed for vacuum application, if this application requires a vacuum measurement you may want to choose a different product.
Answered by: rkent
Date published: 2021-08-10

Is any step file (3D) availabe for the PX26-Series ?

Asked by: Anicet
Thank you for your inquiry. We do not have a 3d model for this unit. The dimensional information is listed on the specification page . Hope this was helpful.
Answered by: application engineer je
Date published: 2020-07-28

We are using the +- 1 psi differential pressure sensor. When we connect the pressure sensors as shown in the data sheet (with 10V input), we are measuring the ouput voltage to 2.6V. Do you know why, is it an off-set voltage?

Asked by: EngineerLasse
Are you wiring the sensor differentially (power connections separate from signal connections). If the negative signal connection and the negative excitation are connected to a common point you will get a high voltage signal output. If the connects are not commoned together you most likely have damaged sensor sensor
Answered by: Applications Engineer JK
Date published: 2021-04-22

Can you recommend a voltage regulator which would be a good fit for this transducer? I looked up the specs but cannot find one which provides output as low as 0.1 V with an input of 10V

Asked by: Shishir
Nominal excitation for the PX26 Series sensor is a regulated 10VDC. With 10VDC applied the output signal from the PX26 would be 0 to 16.7 mVDC for the 1 psi unit, 0 to 50 mVDC for the 5 psi unit and 0 to 100 mVDC for the 15, 30, 100, and 250 psi units. Current draw from the power supply would be 2 mA per unit. We offer a regulated power supply part# FAR-1 that would supply regulated 10VDC.
Answered by: Applications Engineer JK
Date published: 2020-06-09
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