Sensor Type Semiconductor Power requirements: VCC – 5V±0.1 DO output: TTL digital 0 and 1 (0.1 and 5V) AO output: 0.1-0 .3 V (relative to pollution), the maximum concentration of a voltage of about 4V Detection Gas: Natural gas/Methane Detection Concentration: 200-10000ppm (Natural gas / Methane) Interface: 1 TTL compatible input (HSW), 1 TTL compatible output (ALR) Heater consumption: less than 750mw Operating temperature: 14 to 122 °F (-10 to 50°C) RH Related humidity less than 95%Rh O2 Oxygen concentration is 21% (standard condition) – Oxygen concentration can affect sensitivity Load resistance: 20KO Sensing Resistance Rs: 10KO- 60KO (1000ppm CH4)
ধোঁয়া এবং Methane গ্যাস সেন্সর। ডিজিটাল এবং এনালগ, উভয় রকম আউটপুট পাওয়া সম্ভব।
Model: MQ-4 Methane liquefied Gas Sensor Module Brand Name: HAILANGNIAO
MQ-4 Gas Sensor Features
Good sensitivity to Combustible gas in wide range High sensitivity to CH4, Natural gas. Small sensitivity to alcohol, smoke. Fast response Stable and long life Simple drive circuit
Sensor Type Semiconductor Power requirements: VCC – 5V±0.1 DO output: TTL digital 0 and 1 (0.1 and 5V) AO output: 0.1-0 .3 V (relative to pollution), the maximum concentration of a voltage of about 4V Detection Gas: Natural gas/Methane Detection Concentration: 200-10000ppm (Natural gas / Methane) Interface: 1 TTL compatible input (HSW), 1 TTL compatible output (ALR) Heater consumption: less than 750mw Operating temperature: 14 to 122 °F (-10 to 50°C) RH Related humidity less than 95%Rh O2 Oxygen concentration is 21% (standard condition) – Oxygen concentration can affect sensitivity Load resistance: 20KO Sensing Resistance Rs: 10KO- 60KO (1000ppm CH4)
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