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EngyCal RS33
Steam calculator

Steam calculator RS33 ©Endress+Hauser

Steam calculator for recording steam mass and energy flow for saturated or superheated steam

The steam calculator EngyCal RS33 is used to record steam mass and energy flow of saturated and superheated steam. The calculation is based on the measured process variables volume flow, temperature and/or pressure.
The EngyCal RS33 uses the standard IAPWS IF97 to calculate the mass and energy flow of steam. The density and enthalpy of the steam are calculated from the input variables pressure and temperature.

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Variable

  • Specs at a glance

    • Input

      1x Puls/Analog for flow
      2x RTD/Analog for temperature and pressure
      Loop power supply 24V DC (+/-16%)

    • Output

      1x 4...20mA
      2x digital (Open Collector)

    • Display

      160 x 80 Dot-Matrix LCD with white backlit
      colour change in case of alarm event
      active display area 70 x 34 mm

    • Calculations

      IAPWS-IF97

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  • Benefits

    • Compensation of differential pressure flow measurement

    • Calculation according to international water steam tables

    • Electronic matching of the temperature sensor (sensor-transmitter matching) with the arithmetic unit enables highly accurate temperature...

  • Field of application

    Recording and billing energy quantities in steam applications (steam heat quantity, steam heat differential). Typical applications include:

    • Food industry

    • Chemical industry

    • Pharmaceutical industry

    • Power plants

    • Building systems and plant engineering

Features and specifications

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Details

  • Measuring principle

    Energy manager

  • Function

    Monitoring and billing of energy in saturated and superheated steam applications (steam heat flow, heat difference; typical applications can be found in food & beverage industry, chemical industry, pharmaceutical industry, power plants, building automation and skid builders

  • Certification

    CE, UL listed, CSA GP

  • Input

    1x Puls/Analog for flow,

    2x RTD/Analog for temperature and pressure,
    Loop power supply 24V DC (+/-16%)

  • Output

    1x 4...20mA,

    2x digital (Open Collector)

  • Relay output

    2x

  • Auxiliary power supply

    Low voltage power supply: 100 bis 230 V AC (-15% / +10%); Small voltage power supply: 24 V DC (-50% / +75%), 24 V AC (±50%)

  • Dimensions (wxhxd)

    144 x 144 x 103.1 mm

    (5.67" x 5.67" x 4.06")

  • Software

    Calculated Values:

    Energy, volume, density, enthalpy, DP-Flow;
    Counters: volume, mass, energy, counter in case of failure

    Optional: tariff 1, tariff 2 or seperated heating energy, cooling energy, bilance energy

  • Operation

    3 button on site or via FieldCare; read out of historical / logged data via Field Data Manager Software (SQL database and visualization interface), selectable language

  • Display

    160 x 80 Dot-Matrix LCD with white backlit, colour change in case of alarm event, active display area 70 x 34 mm

  • Others

    electronic temperature sensor matching via CvD coefficients, logbook measured values, custody transfer logbook, event logbook, limit monitoring

  • Calculations

    IAPWS-IF97

  • Measuring principle

    Energy manager

  • Measuring principle

    Energy manager

  • Function

    Monitoring and billing of energy in saturated and superheated steam applications (steam heat flow, heat difference.

    Typical applications can be found in food & beverage industry, chemical industry, pharmaceutical industry, power plants, building automation and skid builders.

  • Calculations

    IAPWS-IF97

  • Number of applications

    Not defined

  • Data storage

    yes

  • Calculation standards

    IAPWS-97

  • Communication

    web server

    USB

    Ethernet

    Modbus RTU/TCP Slave

    M-Bus

  • Power supply

    Not defined

  • Loop power supply

    Low voltage power supply:

    100 bis 230 V AC (-15% / +10%)

    Small voltage power supply:

    24 V DC (-50% / +75%)

    24 V AC (±50%)

  • Protection class

    IP65

  • Input

    1x Puls/Analog for flow

    2x RTD/Analog for temperature and pressure

    Loop power supply 24V DC (+/-16%)

  • Output

    1x 4...20mA

    2x digital (Open Collector)

  • Dimensions (WxHxD)

    144 x 144 x 103.1 mm (5.67" x 5.67" x 4.06")

  • Operation

    3 button on site or via FieldCare

    read out of historical / logged data via Field Data Manager Software (SQL database and visualization interface)

    selectable language

  • Display

    160 x 80 Dot-Matrix LCD with white backlit

    colour change in case of alarm event

    active display area 70 x 34 mm

  • Software functions

    Calculated Values:

    Energy, volume, density, enthalpy, DP-Flow

    Counters:

    volume, mass, energy, counter in case of failure

    Optional:

    tariff 1, tariff 2 or seperated heating energy, cooling energy, bilance energy

  • Certificates

    CE

    CSA GP
    MID 004

    OIML R75

Documents / Manuals / Software

Accessories / Spare parts

Nr
Order code
Specification
  • 5
    • Order code 51009210

      Terminal strip 3 pole FMC1,5/3-ST-3,5

      for digital I/O and RS485

  • 9
  • 4
    • Nr 4 Order code XPR0001-SP

      Small parts set: hinge pin, pressure compensation element, USB-cover, seal panel

  • 3
    • Nr 3 Order code XPR0001-CP

      Cover electronic internal for RH33 + RS33 incl. screws (for Mainboard + CPU card)

  • 2
    • Nr 2 Order code XPR0001-UT

      Housing lower for Rx33 incl. counter plate (please order name plate separately with DIENST-T)

  • 1
  • 8
  • 7
  • 6
    • Order code XPR0004-

      Software Rx33, XPR0004

    • Order code MS20-

      Field Data Manager Software MS20

      Visualization software and database for visualization of historical data like measured values, calibration or configuration. Manipulation protected SQL database, graphical visualization, tables for measured values, alarms or events, online help, user administration, Automatic read out of device data. Automatic data export in various formats or in secured format for backup or reduction of database. Note: The version FDM essential only supports RSG30, RSG35, RSG40 as well as RSG45 and has a restricted functionality.

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