Light meter & Infrared Reflectometer

This system contains a light meter with adjustable sensitivity. Output is shown via a LED display, this gives instant responses and is visible in all lighting conditions.
It also contains a pulsed infrared emitter, this enables the meter to show a response if a reflective object is within its 3-4 meter range.

The infrared emitter can be turned off, for a light meter only function.
It also contains has a selectable ultraviolet LED.

As the measurement of light is lux, luminous intensity, candela or flux
this meter is defined as relative light sensor/meter.