IMPORTANT: This product has been discontinued and is no longer available.
CALEC® ST II
Medium
- Thermal energy
Processes
- Read out / Transfer
Application
- Building services engineering
- Local and district heating / district cooling
- Processors
Countries
- Germany
- Switzerland
- Singapore
- Other countries
Features / Benefits
- Precise energy measurement for all thermal applications in building services engineering (heating, cooling, refrigeration, and combined systems)
- Interfaces for building management systems: M-Bus, LON, Modbus, N2Open, BACnet MS/TP, KNX
- Pluggable computer module
- Bidirectional Energy Measurement for “Heating and Cooling” in a Single Device
- Power supply: 24 VDC / 230 VAC (selectable)
- Modular and expandable; also available with LoRaWAN
- Optimal System Integration
- Rugged protective enclosure for wall or mounting rail installation
Technical data
- Pluggable Arithmetic Unit with LCD Display
- Power Supply: 24 VDC / 230 VAC
- For Pt100 or Pt500 temperature probes, 2- or 4-wire, cable length max. 100 m (for 4-wire)
- Temperature range (TFluid): 0°C to +200°C (for heat transfer fluid = water) or -40°C to +180°C (for heat transfer fluids other than water)
- Temperature range: 0 K to 190 K (approved for 3 K to 190 K; 1 K to 190 K according to prEN 1434-4:2014)
- Temperature measurement resolution: 20 bits, typically ±0.005 K
- Display units of your choice
- Ring buffer: 500 records
- Measurement cycle: 1 s
- Integrated power supply for flow transducers
- 2 switchable input/output ports
- Also available with LoRaWAN
- Communication interfaces: M-Bus, LON, BacNet, ModBus, KNX, N2 Open, analog output, MS/TP
- Up to 11 heat transfer fluids to choose from (optional)
- Approved in accordance with Directive 2014/32/EU (MID) and PTB K 7.2 (refrigeration, heating/refrigeration combination)
- Dimensions: 163 mm x 120 mm x 49 mm