Keyestudio MQ-8 Hydrogen Sensor Detection Module for Arduino Sensor Starter DIY Electronic Project

القسم: ألعاب أطفال, روبوتات الأطفال

حالة التوفر: متوفر في المخزون

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مشاركة المنتج

Keyestudio MQ-8 Hydrogen Sensor Detection Module for Arduino Sensor Starter DIY Electronic Project

⁦Keyestudio MQ-8 Hydrogen Sensor Detection Module for Arduino Sensor Starter DIY Electronic Project⁩ - الصورة ⁦2⁩

⁦Keyestudio MQ-8 Hydrogen Sensor Detection Module for Arduino Sensor Starter DIY Electronic Project⁩ - الصورة ⁦3⁩

⁦Keyestudio MQ-8 Hydrogen Sensor Detection Module for Arduino Sensor Starter DIY Electronic Project⁩ - الصورة ⁦4⁩

⁦Keyestudio MQ-8 Hydrogen Sensor Detection Module for Arduino Sensor Starter DIY Electronic Project⁩ - الصورة ⁦5⁩

⁦Keyestudio MQ-8 Hydrogen Sensor Detection Module for Arduino Sensor Starter DIY Electronic Project⁩ - الصورة ⁦6⁩

معلومات المنتج
مواصفات المنتج

is_customized: Yes
Theory: Gas sensor
Model Number: MQ-8
Material: Mixture
Type: Gas Sensor
Output: Analog Sensor
Brand Name: keyestudio
Origin: Mainland China
Use: Gas Sensor
Product number: KS0046

The gas sensitive material used in MQ-8 gas sensor is SnO2, which is of lower electrical conductivity in clean air. When there is hydrogen in the environment where sensor resides, the electrical conductivity of the sensor increases with the increase of the hydrogen concentration in the air. The change of electrical conductivity can be converted to the output signal corresponding to that of the gas concentration by using a simple circuit. The sensitivity of MQ-8 gas sensor to hydrogen is quite high, it can also detects a variety of other gases containing hydrogen. This sensor, which is suitable for a variety of applications, is definitely a good catch.

Feature

good sensitivity to hydrogen in a wide range of concentrations.
long service life, low cost
simple drive circuit

Application

household gas leak alarm
Industrial-level hydrogen alarm
Portable gas detector

Specification

Detectable concentration: 100-1000ppm (hydrogen)
Loop voltage Vc ≤24V DC
Heating voltage VH 5.0V±0.1V AC or DC
Load resistance RL adjustable
Heating resistance RH 29±3Ω(Room temperature)
Heating power: PH ≤900mW
Sensitivity S Rs(in air)/Rs(1000ppm H2)≥5
Output voltage: Vs 2.5-4.0V(1000ppm H2)
Concentration slope: α ≤0.6(R1000ppm/R400ppm H2)
Temperature, humidity: 20±2;55%±5%RH
Standard test circuit: Vc:5.0V±0.1V;
VH: 5.0V±0.1V

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