Contrec 515 – HC03

  • steam flow computer

Heat Calculator - DP Meter (Mass Span)

The 515 HC03 application measures the volume, mass and energy content of fluid in a heating or cooling system by using single or stacked differential pressure mass flow inputs in conjunction with feed and return temperature inputs.

A selection of fluid types and modes makes it suitable for many heating/cooling applications. The instrument calculates the flow according to generic differential pressure equations and incorporates the conditions at which the flowmeter was calibrated.

The instrument calculates the mass flow and energy according to the IAPWS Industrial Formulation (1997) when the fluid type is water, while internal enthalpy and density tables are used for the selection of other industry fluids.

CALCULATIONS

The instrument can calculate the mass and energy for the following common industry fluids:

Water
Glycol (35% Solution)
Brine (27% CaC2)
TYFOXIT F20
TYFOXIT F40
Essotherm 500/Thermaloil
THERMINOL 55
User Custom Fluid
Formulas

mass flow = volume flow

power = mass flow

where: