Digital heat meter CALEC® ST III

Standard & Smart Multifunctional heat and cold calculator for applications in local & district heating, as well as in building technology Products Application Building technology Calculators Local / district heating Products Medium Thermal energy Products Process Data processing / Evaluation • Plug-in calculator module • Precise energy measurement of all thermal applications in district heating or building technology • Enables smart metering: provides accurate meter measurements remotely • Bidirectional energy measurement: cooling and heating measurements in the same device • Interfaces for building management systems: M-Bus, LON, Modbus, N2Open, BACnet MS/TP, KNX • Interfaces for radio readout: WM-Bus (OMS) or LoRaWAN • Selection of main power • Modularly expandable • Optimal system integration • Fluide substance data for water-glycol mixtures • Integrated power supply for flowmeters • Metrological approval according to 2014/32/EU (MID) and PTB K7.2 (cold, hot/cold combined) • Easy installation: plug and play • Compatible with all standard flow meters which use a pulse output • Plug-in computer module with LCD display • Power supply 24 VDC / 240 VAC • For Pt100, Pt500, Pt1000 temperature sensors, 2- or 4-wire, Max. cable length 100 m (4-wire) • Medium temperature: 0°C to 200°C (-40°C to 180°C special heat transfer fluids) • Temperature difference 0K to 190K (approval 3K to 190K, 1K to 190K according to prEN1434-4:2014) • 20-bit resolution, typical +/- 0.005 K • Choice of display units • Data logger up to 500 records • Calculation cycle 1 s • 24V or 3.6V power supply for flowmeter