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F2 is a small and compact calculator with high flexibility, and designed to be used for billing purposes in both heating and cooling applications. F2 can be used in combination with virtually any type of flow sensor, mechanical or ultrasonic, as long as they offer a standard pulse output.
The calculator can be wall mounted by using the enclosed adapter, or mounted directly on top of the flow sensor as a compact heat meter.
F2 offers great flexibility in terms of power supply, and may be delivered with battery supply or 230VAC mains supply. F2 is also available in a version with power supply from the M-Bus loop. Each F2 with M-Bus supply uses two bus loads (2×1,5mA).
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