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The mains-driven display device RM31 serves with the respective sensors for a continuous radiometric control
of lamps, especially UV radiators. Different UV and visible spectral ranges can be controlled with the
corresponding sensors. The device displays the current irradiance on a 0 to 100% scale and also the
lamp condition on a LED traffic light. The two alarms (warning and failure) are available on relay
contacts and can be used for switching warning and failure signals. An additional analog signal can
be used to control the lamp power. A digital display is optionally available
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