Model RMC621 - Flow and Energy Manager
From System Products
Universal flow and energy computer for gases, liquids and steam. 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.
Benefits
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Suitable for applications with gas, liquid, steam and water
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Simultaneous calculation of up to 3 measuring applications, even if different fluids are used
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Very precise process calculations (density, enthalpy, compressibility) on the basis of equations and/or storable tables with material data
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Calculation standards: IAPWS-IF 97, SGERG88, AGA8, real gas equations (SRK, RK), ISO 5167, tables
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Can be used with all common flow measuring systems (vortex, turbine, MID, orifice plate, differential pressure, etc.)
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Compensation input for density signal
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Logbook function for error messages and parameter changes with date and time
Field of Application
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Energy management
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Chemical industry
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Heating and air conditioning
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Pharmaceutical industry
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Food and beverage
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Plant and panel manufacture
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Oil + petrochemicals
Features and Specifications
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Measuring principle
Energy manager
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Measuring principle
Flow and energy manager
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Function
Gas, liquids, steam and water bilancing for industrial energy management
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Calculations
mass/heat quantity
heat quantity difference
for gases: standard volume, heating value, mass -
Number of applications
3
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Data storage
no
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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
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Loop power supply
90...250V AC 50/60 Hz
20...28V AC 50/60 Hz
20...36V DC -
Protection class
IP20
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Input
2...8x PFM
2...8x I
2...8x Impulse (aktiv)
2...6x RTD
2...8x Impulse (passiv) -
Output
3...9x transmitter power supply
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Dimensions (WxHxD)
135 x 108 x 114 mm (5.32' x 4.25' x 4.49')
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Operation
Soft keys RS232 and operation software ReadWin 2000
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Display
LC-Dot-Matrix 160 x 80 Punkte
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Software functions
International calculation standards for gas, liquids, steam and water
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Certificates
CSA GP
ATEX Ex ia
FM USA IS
FM USA NI
CSA IS
CSA NI
NEPSI Ex ia
GOST Ex i
IECEx
EAC
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Measuring principle
Energy manager
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Function
Gas, liquids, steam and water bilancing for industrial energy management
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Certification
CSA GP
ATEX Ex ia
FM USA IS
FM USA NI
CSA IS
CSA NI
NEPSI Ex ia
GOST Ex i
IECEx -
Input
2...8x PFM
2...8x I
2...8x Impulse (aktiv)
2...6x RTD
2...8x Impulse (passiv) -
Output
3...9x transmitter power supply
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Relay output
1...7 no contacts
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Auxiliary power supply
90...250V AC 50/60 Hz
20...28V AC 50/60 Hz
20...36V DC -
Dimensions (wxhxd)
135 x 108 x 114 mm
(5.32' x 4.25' x 4.49') -
Software
International calculation standards for gas, liquids, steam and water
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Operation
Soft keys RS232 and operation software ReadWin 2000
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Display
LC-Dot-Matrix 160 x 80 Punkte
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Others
additional interface (e.g. ModBus, M-Bus, Profibus, RS485)
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Calculations
IAPWS IF97
AGA8 / SGERG88
Nx/9
API 2540
customer spezific tables
ISO 5167
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