Reference:
          
       	  
            STSX4  
          
      
      
      
      
      
       
         
      
      
        4-channel microprocessor, two thresholds (alarms at 10% and 20% of full scale). Accepts 4-20 mA analog signals. Power supply: 100-240 Vac 50 / 60Hz
         
      
	
      
    
 
  