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Elektrokit
location Shankar Nagar, Nagpur, Maharashtra

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Our Products

  1. Signs 9 Products available
  2. Security Alarms & Devices 8 Products available
  3. Electric Circuit Components & Parts 8 Products available
  4. Sensors 5 Products available
  5. Clocks 5 Products available
  6. Electronic Development Boards 4 Products available
  7. Testing Equipment 4 Products available
  8. Moving Message Display 4 Products available
  9. Electronic Components 3 Products available
  10. Relays & Contactors 3 Products available
  11. Modems 3 Products available
  12. Computer Monitor 2 Products available
  13. Spying & Intelligence Devices 2 Products available
  14. LED Displays 2 Products available
  15. Puzzles & Educational Games 2 Products available
  16. DC Motor 2 Products available
  17. Gates 2 Products available
  18. Measuring Instruments & Equipment 2 Products available
  19. Emergency Lights 2 Products available
  20. Outdoor Speaker 2 Products available
  21. Metal Detector 1 Products available
  22. Presentation Boards, Equipment & Accessories 1 Products available
  23. Laser Instruments 1 Products available
  24. Fire Alarm System 1 Products available
  25. Security, Metal & Leak Detectors 1 Products available
  26. Wireless CCTV Camera 1 Products available
  27. Kids Toys 1 Products available
  28. Power Supply System 1 Products available
  29. Battery Accessories 1 Products available
  30. High Voltage Fuse 1 Products available
  31. Audio Recorders, Mixers & Transmitters 1 Products available
  32. Temperature Switches 1 Products available
  33. Telecommunication Equipment & System 1 Products available
  34. Motor Controllers 1 Products available
  35. Audio Systems 1 Products available
  36. Adapter 1 Products available
  37. Electronic Detectors 1 Products available
  38. Batteries 1 Products available
  39. Integrated Circuit 1 Products available
  40. Modular Switches 1 Products available
  41. Timer Switch 1 Products available
  42. Road Safety & Traffic Products 1 Products available
  43. Locks And Safes 1 Products available
  44. Gamepad 1 Products available
  45. Baby Toys 1 Products available
  46. Watches And Clocks 1 Products available
  47. Display Stands & Fixtures 1 Products available
  48. Mobile Charger 1 Products available
  49. Access Control System 1 Products available
  50. Inverters 1 Products available
  51. Process Control Systems & Equipment 1 Products available
  52. Door & Window Fittings 1 Products available
  53. Lamps 1 Products available
  54. Display Accessories 1 Products available
  55. Generators 1 Products available
  56. Electric Motors & Components 1 Products available
  57. LED, LCD, Smart TV & Home Theatre 1 Products available
  58. Boats 1 Products available
  59. Instrumentation & Control Equipment 1 Products available
  60. Others Products 85 Products available

Electronic Detectors

Our product range contains a wide range of Smoke Detector

Smoke Detector

Smoke Detector
  • Number Of Flower Smoke Detectors
  • Material Plastic
  • Availability 100gm, 200gm
  • Application Smoke Detecting
  • Automatic Grade Automatic
  • Power Source Electric
  • Feature Durable, Easy To Install

We bring forth efficient Smoke Detector, which alerts people as soon as it detects smoke anywhere in the building. The sensor assembly consists of white LED D1 and Photodiode D2, which are mounted face to face in an enclosure such that when smoke passes through this enclosure, a noticeable alarm is raised. We offer Smoke Detector in different specifications in order to meet divergent demands of the clients.

About the Circuit :

  • The circuit is designed around IC1, which is wired in monostable mode. Photodiode D2 is connected in reverse bias mode. In presence of light, it has very low resistance. But, when light falling on it gets interrupted, its resistance increases to a very large value. This feature is used to trigger IC1.
  • Diode D1 is used to fall light on D2. The intensity of light is controlled using preset P1. In absence of smoke, transistor T1 does not conduct and reset pin 4 of IC1 remains high. Output of IC1 at pin3 is low and transistor T2 remains in cut-off state and alarm is not raised.
  • As soon as the smoke passes through the enclosure, light falling on D2 gets interrupted, transistor T1 conducts and reset pin4 goes low. As a result, IC1 gets triggered and pin3 goes high. Transistor T2 conducts and buzzer raises the alarm. At the same time LED D3 lights, which gives visual indication.
  • Diodes D4, D5 are used to rectify the 12V AC signal and capacitor C3 is used as a filter capacitor.
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