Suitable for outdoor street lights, corridor lights, courtyard lights and other LED lighting light controller components, to achieve sunrise bright and out of the surrounding environment, sunset around the dark environment
A photocontrol with the turn-off at a lower value than the turn-on.
Ripley's (patent pending) Infrared Eliminating photocontrol. Truly and precisely cancels / eliminates the unit's reaction to infrared maintaining true accuracy. Replaces filtered units used by others.
A metric unit of work or energy, equivalent to one watt second.
Any adverse effect of man-made light. Often used to denote urban sky glow.
SI unit of luminous flux. Radiometrically, it is determined from the radian power. Photometrically, it is the
luminous flux emitted within a unit solid angle (one steradian) bya point source having a uniform luminous
intensity of one candela.
The SI unit of illuminance. One lux is one lumen per square meter.
Latest technology… usually used for advanced features such as built-in timing functions, inverse ratio, etc… more expensive than electronic. Microcontrollers are electronic controls
with added computer programming.