515-HC04 – Heat Calculator for stacked DP meters (ISO 5167 and V-Cones)

The 515-HC04 application measures the volume, mass and energy content of fluid in a heating or cooling system by using single or stacked differential pressure 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. Flow is calculated according to equations for ISO 5167 or V-Cone meters and accurately accounts for thermal expansion.

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

Calculations

The energy calculations are based on the IAPWS Industrial Formulation (1997). The temperature limits are dependent on the system pressure:
• 0 c at system pressure
• 32 at system pressure

Formulas:
• volume flow = Mass flow/ρflow
• Power = mass flow x (hTF – hTR)

Where:
• ρflow = density at flow x conditions
• hTF = specific enthalpy at feed temperature
• hTR = specific enthalpy at return temperature

For more information on other products please click below.

Back to Product Index Back to Product Index Back to Product Index

Related Accessories

Software – Program Manager (Download)

Software – DataMod Tool

IP65 – Stainless Steel (Custom)

IP66 – Weatherproof Enclosure

PR-00 – Thermal Panel Printer

PR-01 – Roll Printer (Panel Mount Impact)

PR-02 – Desktop 24VDC or 240VAC

PR-03 – Desktop 240VAC 80 Col

PR-04 – Thermal Ticket Printer