What Must todo

UVTRON Hamamatsu R2868 is a sensor that detects a flame fire that emit ultraviolet light. Ultraviolet light emitted from a candle flame is a 5 meter can be detected by this sensor. This sensor can also detect some unseen phenomena such as high voltage transmission.

In order for this UVTRON sensors to connect to the system microcontroller then required a series of lawyer-signal condition that serves to change the response of UVTRON into pulses that can be recognized by the system microcontroller. With Module C3704 UVTRON response will then be processed into about 10 pulses mS and the maximum current 100mA. The output module uses the open configuration collector.

Detect the presence of fire in the world of electronics can be done by detecting changes in temperature, the presence of UV ultraviolet rays and infrared light IR. Heat Sensor pyroelectric detectors Eltec E442-3 is a heat sensor (fire) that detect the presence of infrared ray IR, and therefore often called IR-EYE.

These sensors form of Lithium Tantalate pyroelectric parallel opposed dual element high gain detector with integrated analog signal processing. These sensors can detect heat changes from -40 to +70 degrees Celsius without change siginfikan of noise and sensitivity.

To use heat sensor pyroelectric detectors Eltec E442-3, it can take a kind of cone is covered with a fresnel lens to focus the direction of the infrared ray IR. Heat sensors then pyroelectric detectors Eltec E442-3 inserted into the cone is then connected to the microcontroller. Analog output value signals which when detects heat, the sensor will cause a drastic change in output voltage.