Sada MQ2 – MQ135 senzorů snímačů detekce plynu

Sada modulů MQ-2, MQ-3, MQ-4, MQ-5, MQ-6, MQ-7, MQ-8, MQ-9 a MQ-135 
TECHNICKÝ POPIS OD VÝROBCE:
MQ-2:
• detection concentration: 300-1000 ppm (combustible gas)
MQ-3:
• size: 32*22*27 mm
• main chip: LM393, ZYMQ – 3 gas sensors
• working voltage: DC 5V
• with a signal output instructions
• two-way signal output (TTL level output and analog output)
• TTL output signal for low level effectively (when the low output electric signal lights at ordinary times,
can be directly by single chip microcomputer)
• analog 0 – 5V voltage, the higher the concentration, the higher the voltage
• it has a high sensitivity and good selectivity to ethanol steam
• rapid response recovery features
• used in motor vehicles and other no drunken drivers homework personal on-site testing,
also used in other places of ethanol vapor detection
MQ-4:
• using high-quality dual-panel design, with power indicator and TTL signal output instructions
• with a DO switch signal (TTL) output and AO analog signal output
• TTL output valid signal is low (when the output low signal light can be directly connected microcontroller or relay module)
• the analog output voltage, the higher the concentration the higher the voltage
• methane, natural gas has better detection sensitivity
• there are four screw holes for easy positioning
• size: 32*20*22 mm
• with a long service life and reliable stability
• rapid response and recovery characteristics
• input voltage: DC5V power (current): 150mA
• DO output: TTL digital 0 and 1 (0.1 and 5V)
• AO output :0.1-0 .3 V (relatively clean), the highest concentration of voltage around 4V
MQ-5:
• suitable for home or industrial on LPG, natural gas, coal gas monitoring devices
• excellent resistance to alcohol, smoke interference
• using high-quality dual-panel design, with power indicator and TTL signal output instructions
• with a DO switch signal (TTL) output and AO analog signal output
• TTL output valid signal is low (when the output low signal light can be directly connected microcontroller or relay module)
• the analog output voltage, the higher the concentration the higher the voltage
• for gas, natural gas has better detection sensitivity
• there are four screw holes for easy positioning
• size: 32*20*22 mm
• with a long service life and reliable stability
• rapid response and recovery characteristics
• input voltage: DC5V power (current): 150mA
• DO output: TTL digital 0 and 1 (0.1 and 5V)
• AO output :0.1-0 .3 V (relatively clean), the highest concentration of voltage around 4V
MQ-6:
• suitable for domestic or industrial on LPG (liquefied petroleum gas), butane, propane,
LNG (liquefied natural gas) detection devices
• excellent resistance to ethanol vapor, smoke interference
• using high-quality dual-panel design, with power indicator and TTL signal output instructions
• with a DO switch signal (TTL) output and AO analog signal output
• TTL output valid signal is low (when the output low signal light can be directly connected microcontroller or relay module)
• 0 ~ 5V analog output voltage, the higher the concentration the higher the voltage
• the propane, butane, LPG, LNG has a good detection sensitivity
• there are four screw holes for easy positioning
• sizes: 32*20*22 mm
• with a long service life and reliable stability
• rapid response and recovery characteristics
• input voltage: DC5V power (current): 150mA
• DO output: TTL digital 0 and 1 (0.1 and 5V)
• AO output: 0.1 – 0.3 V (relatively clean), the highest concentration of voltage around 4V
MQ-7:
• for home, carbon monoxide detection device environment
• suitable for carbon monoxide and gas detection
• detection of concentration: 10-1000 ppm CO
• loop voltage Vc: <=10V DC • heater voltage Vh: 5.0V ±0.2V AC or DC (high) • load resistance: adjustable. • heater resistance RH: 31ohm ± 3 ohm (room temperature) • heater power consumption PH: <=350mW • standard test conditions: • temperature: 20 degree ± 2 degree • humidity: 65% ± 5% RH • standard test circuit: Vc: 5.0V ± 0.1V; Vh(high): 5.0V ± 0.1V • Vh (low): 1.5V ± 0.1V • the analog output voltage, the higher the concentration the higher the voltage • the carbon monoxide detection with better sensitivity • there are four screw holes for easy positioning • size: 32*20*22 mm • with a long service life and reliable stability • rapid response and recovery characteristics • input voltage: DC5V power (current): 150mA • DO output: TTL digital 0 and 1 (0.1 and 5V) • AO output: 0.1 - 0.3 V (relatively clean), the highest concentration of voltage around 4V MQ-8: • suitable for domestic or industrial hydrogen leak on a monitoring device • are not subject to ethanol vapor, soot, carbon monoxide and other gases interference MQ-9: • for home or factory gas leak detection device, suitable for carbon monoxide, combustible gas monitoring device • can test carbon monoxide: 10 to 1000ppm CO • combustible gas range: 100 to 10000ppm • loop voltage Vc: <=10V DC • heater voltage Vh: 5.0V ± 0.2V AC or DC • heater resistance: 31 ohm ± 3 ohm (room temperature). • heater power consumption PH: <=900mW • temperature: 20 degree ± 2 degree • humidity: 65% ± 5% RH • standard test circuit: Vc: 5.0V ± 0.1V • Vh: 5.0V ± 0.1V • warm up time: more than 48 hours MQ-135: • MQ135 gas sensor is sensitive material used in clean air, low conductivity tin dioxide (SnO2) when the sensor is kept in their environment • the contaminated gas, the conductivity of the sensor with the air pollution gas concentration increases • using a simple circuit can be changes in the conductivity • of the concentration of the gas is converted to the corresponding output signal • MQ135 sensor for ammonia, sulfide, benzene vapor high sensitivity, smoke and other harmful gases • measuring a variety of harmful gases Součástí dodávky: 1 ks MQ-2 1 ks MQ-3 1 ks MQ-4 1 ks MQ-5 1 ks MQ-6 1 ks MQ-7 1 ks MQ-8 1 ks MQ-9 1 ks MQ-135