HPST, High Pressure Sodium Lamp, VENTURE 00172 400Watts HPST.400/E40/HO H/Output
Starting Pulse (Peak V)2800-4500. Pulse Width (Microseconds)1 @2700V. Pulse Rate Per ½ cycle1. Pulse Position (Electrical Degrees)60-90, 240-270. Correlated Colour Temperature (K)2000. Colour Rendering Index (CRI) or (Ra)25.