Configuring Your Light Counter System

The Light Counter system includes a variety of peripheral devices such as sensors and controllers. This short guide will help you to decide which, if any, peripheral devices you need.

All systems require the main computer, so start with an LC5 Light Integrator and Darkroom Timer.


Are you going to base your exposures on light measurements? If yes, then you need a light sensor. For very large printing areas, you may benefit from having two, but they must both be of the same type.

365nm Ultraviolet Light Sensor for iron-based processes such as platinum and cyanotype.
Broadband Ultraviolet Sensor for non-iron processes such as carbon and gum.
Visible Light Sensor for silver gelatin processes.


Do you want to monitor the temperature or humidity during exposures? If yes, then you need either a temperature or an environment sensor.

Temperature Sensor, which measures just the temperature.
Environment Sensor, which measures both temperature and humidity.

    Do you want to automatically switch on/off a light source such as an ultraviolet light unit or an enlarger? If yes then you need a Smart Power Controller.

    Smart Power Controller for switching on/off light sources such as UV exposure units or enlargers.

    IMPORTANT: The Smart Power Controller does not come with cables to connect your light source. You will need additional cables to connect your light source and mains electrical supply. please see the LC5 User Manual for more details.

    A "bare board" Smart Power Controller (internal use) is also available for fitting inside other devices.


    If you have an old-style power controller with a 2.5mm jack plug, then you will may one of these adapters rather than buy a new smart power controller.


    Do you need longer arms? The Remote Control allows you to place a control button close to where you work.

    Remote Control.
        Further information is available in the LC5 User Manual.