Room heat meter of Elf Du15

Room heat meters are applied to the accounting of an expense of heat and energy in premises. For the counter installed in the apartment, important parameters are not only reliability and durability, but also its compactness.
ELF heat meter developed by the Polish manufacturing plant Apator-Powogaz is the compact measuring device which part 2 sensors of temperature PT-500, the electronic calculator and a tachometric indicator are.
Room heat meters are intended for objects with the small thermal power (from 0,3 to 85 kW) where as the heat carrier serves hot water. At the same time water has to conform to the existing requirements Construction Norms and Regulations