Contrec 515-SC04 Steam Flow Computer

Part Number: Contrec 515–SC04 Categories: ,

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Contrec 515 Series with SC04 application measures the volume, mass and energy content of steam by using single or stacked differential pressure flow inputs in conjunction with a temperature and/or pressure input.

A selection of various modes makes it suitable for many steam applications. Flow is calculated according to equations for ISO 5167 or V-Cone meters and accurately accounts for thermal expension effects.

The energy calculations are based on the IAPWS Industrial Formulation (1997) for the thermodynamic properties of steam. Pressure and temperature values are used to determine the specific volume and enthalpy. The instrument also calculates the isentropic exponent and absolute viscosity which are required for the differential flowrate calculations.


The steam energy calculations are based on the IAPWS Industrial Formulation (1997).

Superheated steam regions are:

0°C < t < 800°C P < 100MPa
32°F < t < 1472°F P < 14500psia

800°C < t < 2000°C P < 10MPa
1472°F < t < 3632°F P < 1450psia

Saturated steam regions are:

0°C < t < 374°C (critical temperature)
32°F < t < 705°F

P < 22MPa (critical pressure)
P < 3190psia

Water region is:

0°C < t < t saturation at system pressure
32°C < t < t saturation at system pressure


Volume flow = Mass flow x Specific volume

Energy flow = Mass flow x Specific enthalpy

Product Highlight

  • Tailored for differential pressure meters with single or stacked transmitters
  • Uses IAPWS-IF97 steam calculation
  • Suitable for Water, Saturated and Superheated steam applications
  • ISO 5167 (2003) DP flow calculations, 9 meter types
  • V-Cone DP flow calculations, 2 cone types
  • Allows for non-linear correction
  • Selection of second language and user tags
  • RTC logging with over 1000 entries
  • Infra-red communications port on front panel
  • Pulse width and scaling of pulse output
  • 4-20mA retransmission
  • Selectable protocols on serial ports including Modbus RTU and Printer output
  • Front panel adjustment of 8-24V DC output voltage
  • Backlit display
  • LCD Backup

Datasheet:  Contrec 515 – SC04 Datasheet

Instruction Manual: Contrec 515 – SC04 Instruction Manual

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