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      Sensor type : Thermal mass flow sensor Air velocity measuring range : 2 m/s ; 10 m/s;20 m/s;40 m/s Air velocity min. measuring range : 0.2 m/s Accuracy( +25°C ) : Air velocity : ± 2 % F.S. Output : 4 ... 20 mA / DC 0 ... 10 V Display:Optional 
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      Linear adjustment function Switch for physical quantity:[m/s]、[ft/s]、[km/h]、[mph]、[knot] Option RS-485 Communication Interface, Modbus RTU protocol Configuration measuring range, analog output, station number by dip switch & RS-485 Off SET function by bottom or RS-485 Programmable softeware : DATA LOGGER, record, and chart analysis 
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      Monitor gas and flow for industrial process / HVAC / Building / Factory / Clean room / Hospital / Semiconductor / Electronics / Paper / Environment / Food / Pharmaceutical / Biotechnology industry 
