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Rangeable, Differential Pressure Transmitters with Display

-70 to 150 psi, Differential Pressure


Item# PX3005-150DWBI

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-9 $1,087.31
10-24 $1,032.94
25-49 $1,011.20
50-99 $967.71
100+ $945.96

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Lead Time (If not in stock): 5 weeks
-70 to 150 psi, Differential Pressure PX3005-150DWBI PX3005-150DWBI
  • 0.075% Accuracy
  • Linear or Square Root Output
  • Adjustable Pulsation Dampening
  • LCD Displays Either Process Variable, mA, or %

PX3005-150DWBI Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Pressure Range
Pressure Type
Accuracy Class
Accuracy Value(compensated range)
Output Signal
Electrical Output
Pressure Port Size
Pressure Port Type
Operating Temperature Range
Additional Features

The Omega differential PX3005-DIFF is a compact, rangeable, pressure transmitter ideal for monitoring pressures in process automation, hydraulic systems, compressors, pumps, and in tank level applications where consistent, reliable pressure measurement is essential. The PX3005-DIFF utilizes a unique encapsulation construction of a MEMs piezoresistive pressure sensor coupled to an advanced microprocessing to provide superior accuracy and performance.

The unique construction enables high line pressure operations and superior protection from pressure overloads. The rugged 316 stainless-steel enclosure is IP67 rated making it suitable for wash down environments. A 5-digit backlit LCD allows for a full precision representation of process variable. Available in ranges from 1 to 1,500 psi, the intelligent transmitter module allows for configuration of the 4 to 20 mA signal, display of input or output, and choice of 19 measurement units. The output signal can be adjusted to re-arrange the transmitter or “tare” unwanted fluid head preloads. Rangeability is capable of adjusting zero and span are from -100 to 100% FS URL (Upper Range Limit) with a minimum span of 30% URL. This means a 15 psi transducer can have the zero set between -15 to FS 15 psi. For example, zero could be set for -15 psi and maximum 15 psi so the output would be 4 mA at -15 psi, midpoint 12 mA would be 0 psi and 20 mA would be 15 psi.

Dimensions: mm (inches)

Turndown = nominal range of the device / set span of device
EXAMPLE: a PX3005-1KWDWBI with set span of 500"H2O TD = 1000"H2O/500"H2O = 2

Accuracy (NLHR, 20°C ±5°C): ±0.075TD% SPAN
(Square root output accuracy is 1.5 times linear output accuracy)
Long Term Stability: ±0.2% URL/60 months
Ambient Temperature Effects -20 to 80°C (-4 to 176°F): ±(0.1 +0.1TD)% SPAN
Static Pressure Effects: Effect on zero ±0.15TD % SPAN/10MPa (1450 psi); Effect on full scale ±0.2% SPAN/10 MPa (1450 psi)
Power Supply Effects: ± 0.005TD% SPAN/V (Zero and Span)
Mounting Position Effects: Install error less than 400Pa (1.60” H2O) can be corrected by PV = 0 reset
Vibration Effects: GB/T 1827.3/IEC61298-3 tests, 20g (5 to 2000 HZ, max <±3 mm), <0.1% URL
Supply Voltage (U): 10.5 to 55VDC
Output Signal: 4 to 20mA Two wire, linear or square root output selectable
Sensor Response Time: 200 mS
Damping Time: Selectable, 0 to 100 S
Load Resistance Ω: <(U-10.5)/0.021
Transmission Distance: < 1000 m
Power Consumption: 500mW (20.8mA output @ 24VDC)
Operating Temperature: -20 to 70°C (-4 to 160°F)
Storage Temperature: -40 to 85°C (-40 to 185°F)
Media Temperature: -40 to 120°C (-40 to 250°F)
Environmental Rating: IP67
Media: Fluids and gasses compatible with 316 SS
Process Connection/Material: ¼" -18NPT F/316 SS
Electrical Connection: 4 pin male M12
Isolating Diaphragm: 316L SS
Sensor Fill Fluid: Silicone Oil
Sensor Seal: O-ring, FKM
Housing Material: 316 SS
    Net Weight: about 3kg (without mounting bracket and process connection adaptor)

Range Limit Table
Nominal Value Minimum Span UPPER (URL) LOWER (LRL) Static pressure limit Hi Side Over Range Limit Lo Side Over Range Limit
mbar "H2O mbar "H2O mbar "H2O mbar "H2O bar psi bar psi bar psi
bar psi bar psi bar psi bar psi bar psi bar psi bar psi

EMC Environment:
      GB/T 9254/CISPR22
      GB/T 17626.2/IEC61000-4-2
      GB/T 17626.3/IEC61000-4-3
      GB/T 17626.8/IEC61000-4-8
      GB/T 17626.4/IEC61000-4-4
      GB/T 17626.5/IEC61000-4-5
      GB/T 17626.6/IEC61000-4-6

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Rated 5 out of 5 by from Excellent product! Easy setup, easy calibration, excellent build quality. An outstanding, cost effective transmitter.
Date published: 2020-04-23
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loading all QA

In the data specs, is &quot;TD&quot; referring to &quot;Total Differential&quot;?

Asked by: abc123
TD means Turn Down, it is the ratio of the full-scale output over the current scaled output. Turndown = nominal range of the device/set span of the device
Answered by: Cyrus Grimes
Date published: 2023-12-18

Good afternoon, I need a pressure differential transmitter that measures 50 psi on one side and 14.13 psi on the other.

Asked by: tamayo1964
Tank you for your inquire. There a multiple choices and delivery times may be a factor. Please contact us directly.
Answered by: application engineer je
Date published: 2022-06-06

What is the approximate volume of one side of the cell? (We need to fill one side of a cell that is already installed with a relatively exotic fluid)

Asked by: LabWizard
Cavity volume of the process connection on the PX3005 Differential Transmitters in not readily available. Please contact our pressure product applications engineers directly at They will assist you in acquiring this information.
Answered by: Applications Engineer JK
Date published: 2023-09-25

Of the ports that are marked (H) and (L), which of the two is the (IN) port and which one is the (OUT) port.?

Asked by: Emdott83
This is not a flow through sensor. The pressure applied to each port react on a internal diaphragm. The unit internally calculates the differential between the two applied pressures and output a signal represents this differential.
Answered by: Applicatrions Engineer JK
Date published: 2022-10-13

Just to confirm. The &quot;WET/WET&quot; means it is measuring pressure differential in fluid not in gasses. Correct?

Asked by: MarkM
Thank you for your inquire The units that state wet wet can be used in liquid or gas.
Answered by: application engineer je
Date published: 2020-12-18

I can range the -1000 to 1000 &quot;H2O DP Transmitter to 0-278 &quot;H2O. correct?

Asked by: belzebub
Yes they can. These unit are actually scalable so you can turn down the range of the unit do give you the full 4 to 20mA output signal over 0 to 278&quot; wc.
Answered by: Applicatrions Engineer JK
Date published: 2021-02-09

What is the size of mounting screws (female threads)? Is it metric or imperial?

Asked by: Marcin
It would imperial. The pressure port is &frac14;-18 NPT.
Answered by: Pressure Eng
Date published: 2023-12-18

For tank level measurements with high solids content fluids do you recommend an additional isolation diagram to be installed or is this unnecessary?

Asked by: Genecis
We recommend using an isolation diaphragm in this type of application. A high content of solids can easily clog the input port connections on this sensor.
Answered by: Applicatrions Engineer JK
Date published: 2022-01-11
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