Flow or Level Visual and Audible Alarm

ProAlert 1000 (PDF) 

• High Intensity Red Alarm Light
  
  
• 90 dB Audible Alarm with External
  
  
• Test-Silence-Normal Positions
  
  
• Rugged NEMA 4X Industrial Design
  
  
• NPN or PNP Pulse-5A Output
  
  
• Perfect for Flow or Level
  
  
• External Mounting Feet Installs in Minutes
  
  
• UL Listed Enclosure (CSA)
  
  
• High Impact All Plastic Polycarbonate Shell
  
  
• Small Foot Print – Compact Design
  
  
• Excellent Chemical Resistance
  
  
• PR-Model-Relay On-Off Timer Included