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TGS 812 Gas Leakage Sensor | 10,873 view(s)

ElectroSuite.com> – TGS 812 Gas Leakage Sensor. This circuit can detect or know of any gas leakage.

TGS 812 Gas Leakage Sensor - ElectroSuite.com

TGS 812 Gas Leakage Sensor

In this series resistor of the sensor will change when the gas leak which reached a maximum. With the change in resistance, then the voltage will change and turn on the transistors, and will be strengthened to trigger the SCR that will drive the relay. Relay is connected with a load of lights or alarms.

Components :

  • R1 = 10 ohm/1 W
  • R2 = 5 K
  • R3 = 100 K
  • Trimpot :  RV = 5 K
  • Capasitor :   C1 = 100 mikro farad/25 V
  • Diode D1, D2, D3, D4 = IN 4002
  • Zener = 5,1 V
  • Transistor = FCS 9013
  • SCR = RC 10
  • Sensor = TGS 812
  • Fuse = 1 A
  • Neon Lamp Indicator
  • Relay = 9 V
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TGS 812 Gas Leakage Sensor Schematic - ElectroSuite.com

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