Integra - Model Calec ST III Standard -Multifunctional Heat and Cold Calculator

Multifunctional heat and cold calculator for applications in local & district heating, as well as in building technology.

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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
2 Pulses inputs / Digital output / Analog outputs
Communication interfaces: M-Bus, LON, BACnet, ModBus, KNX, N2 Open, Wireless M-Bus (OMS), LoRaWAN
Different heat transfer media pre-programmed at the factory (option)
Metrological approval according to 2014/32/EU (MID) and PTB K 7.2

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