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2. Design and function
2. Design and function
2.1 Overview
Case
LC display
Cable gland M16
Connecting nozzle (ABS), for hoses with inner diameter 4 or 6 mm
2.2 Description
The model A2G-25 air flow meter is used for measuring air flows of
gaseous media in ventilation and air-conditioning applications. It is
based on the piezoresistive measuring principle.
Electrical analogue output signals for both measurands (DC 0 ... 10 V
or 4 ... 20 mA; adjustable in the instrument via jumpers) or the digital
Modbus
building automation system.
The model A2G-25 air flow meter is based on the principle of effective
pressure measurement. The effective pressure method compares
the static pressure in front of and behind the inlet nozzle of the radial
ventilator used or in front of and behind the channel measuring probe.
WIKA operating instructions model A2G-25
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