Showing posts with label fire. Show all posts
Showing posts with label fire. Show all posts
Thursday, April 11, 2013
Solar Panel Installation Complete at Fire Headquarters
Chemistry 105 -The simplified installation procedure reduces install at ion costs and enables the solar panel array to Fundamental Chemistry Classify each of the following as a strong acid, weak acid, strong base, weak base, nonmetal oxide, a metal oxide, or a salt. NaF HClO3 NH4F H2S CO2 H3PO4 H2SO4 NH3 K2O NH3 KCl SO3 HClO4 Ba(OH)2 HNO2 HNO3 NH4Br Fe(OH)2 KBr H3CCO2H Write a complete chemical equation for the reaction of the following compounds with water. HClO3 H2S CO2 H2SO4 NH3 K2O SO3 HNO2 Fe(OH)2 NH3 HClO4 HNO3 Ba(OH)2 Give a complete balanced chemical equation for the following reactions. 1) Sulfur trioxide is reacted with potassium hydroxide. 2) Solid potassium oxide is added to sulfuric acid. 3) Calcium oxide is added to hydrobromic acid. 4) Potassium bromide is reacted with silver (I) nitrate. …
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Wednesday, April 3, 2013
Fire Sensor Hamamatsu UVTRON
Fire Sensor (Hamamatsu UVTRON)
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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.
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