Liquid Flow Meters


Landis & Staefa Controls offers the Siemens SITRANS F family of flow measurement products which has a well-established reputation for reliability in day-to-day applications.

These trusted flow meter products range from simple flow indicators to highly developed bus-compatible electronic flow measurement units.

SITRANS F offers the right flow meter for every application, medium and industry and is a perfect solution for measuring liquids, gas and steam.




Applications: The SITRANS F M MAG 5000 is a microprocessor-based transmitter engineered for high performance, easy installation, commissioning and maintenance. The transmitter is truly robust, cost-effective and suitable for all-round applications and has a measuring accuracy of ± 0.4% of the flow rate (incl. sensor)

  • Accuracy 0.4 % ±1 mm/s  Input / output 1 current output
  • 1 digital output
  • 1 relay output
  • Communication HART  Display Background illumination with alphanumeric text, 3 x 20 characters
  • Enclosure IP67 (NEMA 4x/6) / IP20 (NEMA 2)
  • Power supply 12-24 V a.c./d.c.
    115-230 V a.c.  Ambient temperature From -20 to 50 °C (-4 to 122 °F)
  • Approvals MI-001, Danak, PTB, OIML R49
  • Ex-approvals FM/CSA Class 1, Div 2




Applications: The SITRANS F M MAG 5100 W with its patented liners of hard rubber NBR or ebonite and EPDM is a sensor for all water applications such as ground water, drinking water, waste water, sewage or sludge applications.

  • Measuring range 0 to 10 m/s
  • Nominal Sizes From DN 25 to DN 2000
  • Accuracy 0.2 % ±2.5 mm/s
  • Operating Pressure Max. 16 bar
  • Ambient temperature From -40 to 70 °C
  • Medium Temperature From -10 to 70 °C
  • Liner – EPDM, NBR hard rubber,Ebonite hard rubber
  • Electrodes Hastelloy C-276
  • Material Carbon steel, with corrosion resistant
    two-component epoxy coating
  • Drinking Water Approvals EPDM: WRAS, NSF/ANSI Standard 61, DVGW 270, ACS and BelgAqua




Applications: The battery or mains powered SITRANS FUE950 is a universal custody transfer approved energy calculator. It is designed for use in hot water, chilled water and cooling/heating applications.The calculator has a modular construction which means that it can be fitted with optional output modules when it is ordered. These include a pulse output, pulse input, current output  and an M-Bus add-on  module. If needed, the necessary temperature sensor pair  and  pockets can be ordered along with the calculator.

  • Measuring range Qp ≤ 360000 m³/h (600000 GPM)
  • P ≤ 15000000 kW  Accuracy EN1434 Class 3, typical ±(0.5 + 3K/ΔΘ) [%]  Input / output
  • 1 Pulse of flow meter (always included)
  • 2 Temperature input as PT100/500, 2 or 4-wire (always included)
  • 2 Pulse input (optional)
  • 2 Output Pulse or status (optional)
  • 1 M-Bus (optional)
  • 1 RS 232 M-Bus protocol  (optional)
  • 1 RS485 M-Bus protocol (optional)
  • 2 current (4-20mA , passive) (optional)
  • Display 8-digit LCD display with associated pictogram/symbols  Enclosure IP54 (in accordance with IEC 529)  Power Supply Battery (3.6V Lithium D-cell type)
  • Temperature input From  -20 to 190 °C
  • 230 V a.c /24 V a.c.


For Full Range Of Compatible Products – Please Contact Our Sales Department

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