SensoStar C Calculator Unit
Flexible calculator unit for precise heating and cooling energy measurement, specifically designed for large volume flow applications. The SensoStar C seamlessly integrates with all standard volume measurement components, offering extensive configuration options and modular communication capabilities. Features user-friendly mounting system, automatic temperature cycle adjustment, and optional external power supply for direct system monitoring.
Key Features & Benefits:
- Suitable for both heating and cooling energy measurement applications.
- Compatible with all standard volume measurement components and flow sensors.
- Large variety of configurations for different installation requirements.
- User-friendly mounting system for easy connection of sensors and components.
- Automatic temperature measurement cycle adjustment in mains operation.
- Up to 20-year battery life with intelligent power management.
- Optional external power supply enables direct system monitoring.
- Modular communication system with multiple protocol options.
Technical Specifications
Calculator Unit
Temperature Range Medium:0-150°C heating / 0-50°C cooling
Operating Temperature:5-55°C at 95% RH
Temperature Resolution:0.01°C
Min Temperature Difference:>0.5K heating / <-0.5K cooling
Measurement Cycle:30s standard / 2s mains operation
Protection Class:IP54
Dimensions:150 x 130 x 35 mm (W x H x D)
Display & Data
Display Type:LCD - 8 digits + special characters
Energy Display:Up to 3 decimal places
Energy Units:MWh, kW, m³, m³/h (kWh, GJ)
Data Storage:24 monthly and half-monthly values
Tariff Registers:2 individually configurable
Maximum Values:Flow, power, temperatures stored
Communication Options
Standard Interface:Optical interface (M-Bus protocol)
Wireless Options:wireless M-Bus, LoRaWAN
Wired Options:M-Bus, Modbus, 2 pulse outputs
Power Supply:Replaceable 3V lithium battery
Battery Life:Up to 20 years (without communication)
External Power:3V power supply (230V/24V AC input)
Pulse Inputs:Optional 3 pulse inputs available
Sensor Requirements
Flow Meter Type:OA (Reed contact) / OC (Open Collector)
Max Input Frequency:10 Hz
Pulse Length:Min. 25ms pulse / 50ms pause
Temperature Sensors:Platinum precision resistor Pt 500
Cable Length:Up to 10m unshielded 2-wire
Installation Type:Direct immersion / in thermowell