Endress+Hauser EngyCal RH33 Btu and RS33 steam billing meters

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The EngyCal RH33 Btu meter and RS33 steam meter provide high-precision data recording and billing information for custody transfer, steam measurement and energy-flow calculations for process and facility applications.

Both record energy data for billing purposes in applications such as custody transfer, heating and cooling systems, steam production and steam distribution systems.

The Btu meter was developed especially for custody transfer applications with liquids such as water, water glycol mixtures or thermal oils. EngyCal RH33 calculates enthalpy (hot and cold), energy (thermal flow), density and mass flow based on the measured flow value and temperature differential. It is also available with custody transfer approval.

Calibrated and electronically paired temperature sensors ensure a high-accuracy temperature differential measurement, especially important in cooling applications. Its electronic sensor matching allows an exchange of individual sensors in the field. The cost-intensive use of paired sensors is no longer necessary; therefore, users will experience a reduction of costs in calibration and maintenance over the complete product lifetime.

The steam calculator can be used for recording and billing steam mass and energy flow for applications with saturated or superheated steam. It calculates the enthalpy and energy (thermal flow) as well as the density and the mass flow based on the measured flow value, temperature and/or pressure. All calculations are carried out according to the EN 1434 and IAPWS-IF 97 standard (International Association for the Properties of Water and Steam).