Powerflow Electronics' Model 720 Single Cycle Timer:
Upon application of power the timer enters the OFF state for a period T2, then switches ON for a period T1. It then switches OFF & remains OFF indefinitely.
Applications
Sampling : Gas or liquids
Air Dryers : Condensate Discharge
Effluent Sampling
Sprinkler Systems
Auto Drain Valve : Automatic Discharge of Condensate