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Product Spotlight


5th December 2017       Process & Instrumentation Division

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Siemens Ultrasonic flow measurement FS230


All Your Instrumentation Needs


For the process industries, change is one of very few constants – making it challenging to stay profitable and ahead of the competition. To succeed, you need high-performance instrumentation solutions that maximize the efficiency of your processes while minimizing operational expenses.

Building upon decades of experience in the field of ultrasonic flow measurement, Siemens has developed a state-of-the-art and cost-effective solution for virtually any liquid application: the SITRANS FS230. As one of the world’s first digital clamp-on ultrasonic flowmeters, the FS230 harnesses the power of digital signal processing to bring you market leading accuracy, noise immunity, and reliability.



The SITRANS FS230 digital clamp-on ultrasonic flowmeter is a process-optimizing solution for measuring flow in virtually any liquid application. Designed to provide both exceptional performance and outstanding cost savings, the FS230 is an ideal fit for many industries requiring high-quality liquid flow measurement – including water and wastewater, HVAC and power, food and beverage, pharmaceutical, chemical, mining and pulp and paper.

The SITRANS FS230 flow system consists of a SITRANS FST030 transmitter paired with SITRANS FSS200 clamp-on ultrasonic sensors, which are available in three different size models: WideBeam® (High-Precision), Universal and High-Temperature.

The WideBeam® advantage

Siemens has WideBeam® transit-time sensor technology to improve signal detection. It increases measurement accuracy by using the resonant frequency of the pipe to transmit ultrasonic waves through the flowing liquid, with the pipe wall acting as a waveguide. WideBeam® produces a particularly strong, focused signal that optimizes the signal-to-noise ratio, reduces sensitivity to changes in temperature, density or viscosity and resists the effects of beam blowing.

Siemens is a pioneer in the use of Lamb wave sensors for flow measurement. The WideBeam® transit-time technology increases accuracy by reducing sensitivity to any changes in the fluid.

Siemens Sitrans FS230

Technological enhancements:

  • Interchangeable Modules / Common Platform
  • Micro SD card for storage of data and certificates
  • USB communication port
  • Menu Wizard-based programming
  • Multifunctional - Configurable I/O’s & Displays
  • 100 Hz data update rate
  • Backwards compatible with FUS1010 sensors
  • Corrosion resistant design

FS230 Features

One of the world’s first digital ultrasonic flow systems, the FS230 features among others:

  • Market-leading accuracy and repeatability – accuracy of 0.5 to 1% of flow rate and repeatability of 0.25% according to ISO 11631
  • Best-in-class 100 Hz data update rate – detects even the smallest, most rapid fluctuations in flow
  • Digital Sensor Link (DSL) – digitizes the signal at the earliest stage of measurement for a strong signal-to-noise ratio and high-precision measurement
  • Simplified installation – multiple setup wizards guide you through every step of commissioning
  • Easy-to-use Human Machine Interface (HMI) – fully graphical display with simple menu navigation and the option to display up to 6 customizable parameters at once
Sitrans FS230 Benefits & Features

FS230 Benefits

One of the world’s first digital ultrasonic flow systems, the FS230 features among others:

  • High turndown ratio to ensure consistent measurement across a wide range of flow rates
  • Dual-path configuration option for increased accuracy, particularly in less-than-ideal piping geometry
  • Bidirectional flow capability without the need for multiple meters or user intervention
  • No pressure drop, which reduces energy usage and minimizes drag on pumping systems
Siemens Sitrans FS230 Applications

Applications & Product Details


SITRANS FS230 standard functions are suitable for a wide variety of liquid applications, including the following:

  • Water industry: Raw water - Potable water - Chemicals
  • Wastewater industry: Raw sewage - Effluent - Sludges - Mixed liquor - Chemicals
  • HVAC industry: Condensers - Hot and cold water systems
  • Power industry: Nuclear - Fossil - Hydroelectric
  • Processing industry: Process control - Batching - Rate indication - Volumetric and mass measurement
  • Other: Food & Beverage - Pharmaceutical - Chemical - Mining - Pulp & Paper

SITRANS FS230 hydrocarbon functions are ideal for applications carrying crude oil, refined petroleum or liquefied gas.

Product Details
Configuration Wall mount enclosure, 1- or 2-path
Communication HART 7.5 or Modbus; compatible with SIMATIC PDM
Material Aluminum
Enclosure IP66/67, NEMA 4X rating
I/O Up to 6 channels combining analog, relay or digital outputs and binary input + RTD
Display Full graphical display, 240 x 160 pixels
Power supply 24 to 90 V DC, 100 to 240 V AC (universal power supply)
Approvals UL, ULc, CE


Siemens Process Instrumentation offers best-in-class measurement and seamless integration into your automation system. At E.B. Horsman & Son, we have a specialty division for process & instrumentation products and can provide timely quotation, sales support, product training, and on-site technical support.

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