Digital heat meter CALEC® ST II

Multi-functional thermal energy calculator for district heating and building technology Products Application Building technology Calculators Local / district heating Products Medium Thermal energy Products Process Data processing / Evaluation • Precise energy measurement of all thermal applications in district heating or building technology • Enables smart metering • Measurement of heating and cooling in the same apparatus • Choice of food • Can be used for: heating, air-conditioning, refrigeration or systems with thermal alternative energy • Modularly expandable • Optimal system integration • 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 / 230 VAC • For Pt100 or Pt500 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 – 190K (approval 3K – 190K, 1K – 190K according to prEN1434-4:2014) • 20-bit resolution, typical +/- 0.005K • Choice of display units • Data logger up to 500 records • Calculation cycle 1s • 24V or 3.6V power supply for flowmeter • 2 pulse outputs/inputs • Communication interfaces M-Bus, LON, BacNet, ModBus, KNX, N2 Open, LoRaWAN, analogue outputs • 11 different heat transfer media pre-programmed at the factory (option) • Metrological approval according to 2014/32/EU (MID) and PTB K 7.2 • Dimensions: 120mm x 163mm x 49mm