Basic functions

• Prepared for heating, cooling measurement
• Approval for MID for heat metering and PTB K7.2 for cooling
• High-accuracy thermal energy metering, meets EN 1434 requirements
• Measured temperature range -20 вЂ¦ +190 °C (-4 вЂ¦ +374 °F)
• Instantaneous values for energy/volume flow
• Battery or mains powered
• Battery version with battery lifetime of typically up to 10 years
• Optical data interface
• Real date and time
• Auto-detection of 2-wire or 4-wire temperature sensors

Additional functions

• Individual tariff functions
• Advanced functions for cooling/heating applications or the combination
• Memory for 24 periods (months, weeks, days)
• Data logger function
• Expandable functionality with 2 optional plug and play add-on modules
• Communication over M-Bus, RS 485 or RS 232

Add-on modules

• Plug-in module with 2 extra pulse inputs
• Plug-in module with 2 pulse outputs
• Plug-in module with combination of input and output pulses
• Plug-in module for M-Bus communication
• Plug-in module for RS 232 or RS 485 communication
• Plug-in module with 2 passive current outputs (4 ... 20 mA)