RMC621 Flow and energy manager

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Universal flow and energy computer for gases, liquids and steam

Previous: DXF351, ZL6171, ZL6351, ZL6121

• Measuring principle

  Energy manager

• Measuring principle

  Flow and energy manager

• Function

  Gas, liquids, steam and water bilancing for industrial energy management

• Calculations

  mass/heat quantity
  heat quantity difference
  for gases: standard volume, heating value, mass

• Number of applications

  3

• Data storage

  no

• Calculation standards

  IAPWS IF97
  AGA8 / SGERG88
  Nx/9
  API 2540
  customer spezific tables
  ISO 5167

• Communication

  1 x RS232
  2 x RS485
  PROFIBUS DP
  M-Bus
  Modbus RTU

• Power supply

  Not defined

• Loop power supply

  90...250V AC 50/60 Hz
  20...28V AC 50/60 Hz
  20...36V DC

• Protection class

  IP20

• Input

  2...8x PFM
  2...8x I
  2...8x Impulse (aktiv)
  2...6x RTD
  2...8x Impulse (passiv)

• Output

  3...9x transmitter power supply

• Dimensions (WxHxD)

  135 x 108 x 114 mm (5.32" x 4.25" x 4.49")

• Operation

  Soft keys RS232 and operation software ReadWin 2000

• Display

  LC-Dot-Matrix 160 x 80 Punkte

• Software functions

  International calculation standards for gas, liquids, steam and water

• Certificates

  ATEX Ex ia

The flow and energy manager RMC621 calculates standard volume as well as mass and energy flows of natural and technical gases, fluids and steam from flow, pressure, temperature and density. Depending on the medium calculation of the energy values occurs according to international standards (IAPWSIF97, SGERG88), real gas equations (SRK) or specific tables. For differential pressure measurements coefficients for flow compensation are calculated over the complete operating range of the flow sensor.

• Energy management

• Chemical industry

• Heating and air conditioning

• Pharmaceutical industry

• Food and beverage

• Plant and panel manufacture

• Oil + petrochemicals

• Suitable for applications with gas, liquid, steam and water

• Simultaneous calculation of up to 3 measuring applications, even if different fluids are used

• Very precise process calculations (density, enthalpy, compressibility) on the basis of equations and/or storable tables with material data

• Calculation standards: IAPWS-IF 97, SGERG88, AGA8, real gas equations (SRK, RK), ISO 5167, tables

• Can be used with all common flow measuring systems (vortex, turbine, MID, orifice plate, differential pressure, etc.)

• Compensation input for density signal

• Logbook function for error messages and parameter changes with date and time