SIEMENS SITRANS P320/P420 Digital Pressure Transmitter

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SITRANS P320/P420 are Siemen’s high accuracy flexible pressure transmitter. These transmitters have a huge number of options, ranges and configurations to suit any application.

Part Number: SIE_P320/420_1646
SIEMENS SITRANS P320/P420 Digital Pressure Transmitter

Benefits

  • Diagnostic functions in accordance with NAMUR recommendation NE107
  • SIL devices developed according to IEC 61508
  • SIL validation on the device or remotely with SIMATIC PDM
  • Reduction of internal inductance for Ex applications to LI = 0
  • Step response time for pressure type T63 = 105 ms and for differential pressure type 135 ms.
  • Minimal conformity error
  • Very low temperature influence
  • Very good long-term stability
  • High quality and service life
  • High reliability even under extreme chemical and mechanical loads
  • For corrosive and non-corrosive gases, vapors and liquids
  • Extensive diagnostics and simulation functions
  • Separate replacement of measuring cell and electronics without recalibration
  • Wetted parts made of high-grade materials (e.g., stainless steel, alloy, gold, Monel, tantalum)
  • Infinitely adjustable spans from 0.01 bar to 700 bar (0.15 psi to 10153 psi)

SITRANS P320/P420 pressure transmitters are available in various versions for measuring:

Gauge Pressure:

Measured variable:

  • Gauge pressure of corrosive and non-corrosive gases, vapors and liquids.

Measuring span (infinitely adjustable)

  • For SITRANS P320/P420 with HART: 0.01 bar to 700 bar (0.15 psi to 10153 psi)

There are two series:

    • Gauge pressure series
    • Differential pressure series
Absolute Pressure:

Measured variable:

  • Absolute pressure of corrosive and non-corrosive gases, vapors and liquids.

Measuring span (infinitely adjustable)

  • For SITRANS P320/P420 with HART: 8.3 mbar a to 160 bar a (0.12 to 2 321 psi a)

There are two series:

  • Gauge pressure series
  • Differential pressure series
Differential and Flow Pressure:

Measured variables:

  • Differential pressure
  • Small positive or negative overpressure
  • Flow q ~ √Δp (together with a primary differential pressure transducer)

Measuring span (infinitely adjustable)

  • For SITRANS P320/P420 with HART: 1 mbar to 160 bar (0.0145 to 2 321 psi)
Level Measurement:

Measured variable:

  • Level of corrosive and non-corrosive liquids in open and closed vessels.

Measuring span (infinitely adjustable)

  • For SITRANS P320/P420 with HART:
    25 mbar to 5 bar (0.363 to 72.5 psi)

Type of the mounting flange:

  • EN 1092‑1 flanges
  • ASME B16.5 flanges
  • J.I.S. flanges
  • Diverse range of sealing surface forms available
Application
  • Gauge pressure
  • Absolute pressure
  • Differential pressure
  • Level
  • Volume flow
  • Mass flow
Input (Measuring Range)   Gauge: 0.01 bar to 700 bar (0.15 psi to 10153 psi) Absolute: 8.3 mbar a to 160 bar a (0.12 to 2 321 psi a) Flow/Differential: 1 mbar to 160 bar (0.0145 to 2 321 psi) Level: 25 mbar to 5 bar (0.363 to 72.5 psi)
Output (Current Signal) 4 ... 20 mA
Measuring Accuracy Dependent on Configuration
Operating conditions Dependent on Configuration
Degree of Protection Dependent on Configuration
Weight Dependent on Configuration
Electrical Connections Dependent on Configuration
Explosion Protection Dependent on Configuration

Siemens Process Control & Instrumentation – Procint Australia

Procint is proud to be a leading Australian supplier of Siemens process control and instrumentation products.
Siemens is recognised worldwide for precision, innovation, and long-term reliability — trusted across industries from water treatment and manufacturing to mining and energy.
At Procint, we stock and support the full range of Siemens sensors, transmitters, and measurement systems designed to keep your process accurate, efficient, and compliant.

Flow Measurement
Get dependable and accurate Siemens flow meters for liquid, gas, and slurry applications.
From magnetic flow meters to ultrasonic and Coriolis systems, Siemens offers smart diagnostics, low maintenance, and seamless integration into any automation setup.
Ideal for demanding industrial environments where every reading matters.

Level Measurement
Siemens level transmitters are built to perform in all conditions.
Choose from radar, ultrasonic, or guided wave radar sensors for precise monitoring of liquids and solids in tanks, silos, and open channels.
Procint supplies the full Siemens range, backed by local technical support and fast delivery across Australia.

Pressure Measurement
Maintain control with Siemens pressure transmitters engineered for accuracy and long-term stability.
From differential and gauge pressure sensors to hygienic models for food and pharma, Siemens pressure instruments ensure reliable operation across even the toughest process conditions.

Temperature Measurement
Siemens temperature sensors and transmitters deliver precise readings and easy integration.
Whether you need RTDs, thermocouples, or complete temperature measurement systems, Procint can help you select the right Siemens solution for your plant or project.

Geophysical Measurement
Siemens geophysical instrumentation combines advanced technology with rugged design to deliver accurate field and environmental data.
Perfect for resource exploration, energy production, and environmental monitoring where precision is critical.

Weighing Measurement
Siemens weighing systems provide high-accuracy load cells, belt scales, and weighing modules for process and bulk material handling.
Trusted across industries for consistency and durability, Siemens weighing technology helps optimise production and reduce waste.

Why Choose Siemens from Procint
When you choose Procint, you’re partnering with an Australian team that understands Siemens technology inside and out.
We offer expert advice, competitive pricing, and support for integration across all major process control systems.
From individual sensors to complete measurement networks, Procint makes it easy to source genuine Siemens process instrumentation in Australia.

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SIEMENS SITRANS P320/P420 Digital Pressure Transmitter
SIEMENS SITRANS P320/P420 Digital Pressure Transmitter

POA – Please submit a RFQ

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