SMA(DA) model contains Microprocessor in default. Moreover, it is a Differential Pressure Gauge / Switch with characteristics of LED Display, 0~5, 1~5, 0~10VDC or 4~20mA Analog Output, 2-Channel NPN or PNP Open Collector Output. As Pressure Sensor, Indicator and Switch are integrated in order to realize providing it at low price. 
 

- CE Certified 
- Compact design(30mm×30mm) 
- ±1999 Digit LED display 
- 1~5, 0~5, 0~10VDC or 4~20mA analog output 
- 2-channel NPN or PNP open collector output 
- Piezoresistive silicon cell 
- Measuring range : 50Pa ... 100kPa Use with non-corrosive, non-ionic media 
 

 - Airflow Measurement
 - Room Static Pressure
 - VAV Box
 - Lab/Fume Hood Control
 - Clean Room Control