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      RANGE: ±50 / 100 / 250 pa OUTPUT: 4 ~ 20 mA ( 0-100 pa ) POWER: 8 ~ 35 VDC / 12~30 VAC 
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      Silicon chips on differential pressure module of MEMS integration technology Offset function / UI software Low-pressure monitoring, high pressure resistance RS-485 communication interface (Optional), Modbus RTU protocol Physical unit switch (User Interface):mbar / Pa / hPa / kPa / mmH2 O / mmWS / inH2 O / mmHg Square root function 
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      Monitor differential pressure of cleanroom / Hospital / Air duct / Filter environment and monitor air flow 
 
                         
         
         
        