F4 calculator
F4 is designed for metering and monitoring of larger heating and cooling customers, wishing more advanced functions of their calculator. F4 is a calculator that can very easily be expanded via optional cards for different functions, e.g. peak values, tariffs and various communication systems. F4 has as a standard pulse outputs for energy and volume of the type "open collector".
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In addition to accumulated energy, the following (among others) values are accessible in F4:
- Accumulated volume for the extra pulse inputs.
- Error code and accumulated time for the relevant error.
- Momentary power.
- Momentary flow.
- Real time clock with date function.
- Pulse value.
- Accumulated volume according to flow sensor.
- Accumulated volume registered in conjunction with energy calculation.
- Preceding error code and accumulated time for this error.
- Up to 37 monthly registers.
- Two account days.
F4 has a built-in service function that facilitates alteration of certain parameters in the field without a special service tool.