Gas & Air
Showing all 8 results
- Sensors, Gas & Air
MQ-135 Air Quality Sensor (NH3,NOx, alcohol, Benzene, smoke,CO2)
Model: MQ-135 Air Quality Sensor (NH3,NOx, alcohol, Benzene, smoke,CO2)
Brand Name :HAILANGNIAOFeatures:
High Sensitivity to: NH3,NOx, alcohol, Benzene, smoke,CO2
Operating voltage: DC 5V
Power (current) : 150mA
DO Output: 0.1V/5V
AO Output: 0.1-0.3V
Signal output indicator instructions
Dual signal output (analog output, and TTL level output)
TTL output valid signal is low; (output low signal light, which can be accessed microcontroller IO port)
Analog output with increasing concentration, the higher the concentration, the higher the voltage
Has a long life and reliable stability
Rapid response recovery characteristicsSKU: n/a - Sensors, Gas & Air
MQ-4 Methane liquefied Gas Sensor Module
MQ-4 Gas Sensor Specifications
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)SKU: n/a - Sensors, Gas & Air
MQ-6 Smoke & Gas (LPG, iso-butane, Propane) Sensor Module
Model: MQ-6 Smoke & Gas (LPG, iso-butane, Propane) Sensor Module
Brand Name: HAILANGNIAOFeatures:
Can be used to detect LPG, Butane or Propane gas
Operating Voltage is +5V
Analog output voltage: 0V to 5V
Digital Output Voltage: 0V or 5V (TTL Logic)
Preheat duration 20 seconds
Can be used as a Digital or analog sensor
The Sensitivity of Digital pin can be varied using the potentiometerSKU: n/a - Sensors, Gas & Air
MQ-7 Carbon Monoxide Gas Sensor Module
Model: MQ-7 Carbon Monoxide Gas Sensor Module
Brand Name: HAILANGNIAOFeatures:
Testing gas: Carbon Monoxide
Detection of concentration: 10-1000ppmCO
Loop voltage: 10V DC
Heater voltage: 5V±0.2V ACorDC(high), 1.5V±0.1V ACorDC(low)
Load resistance: adjustable
Heating resistor: 31±3(indoor temperature)
Heating dissipation: 350mW
Sensitive part surface resistance: 2K-20K
Sensitivity: Rs(in air)/Rs(100ppmCO)5
Concentration gradient: 0.6
Temperature, humidity: 20±2, 65%±5%RH
Standard test circuit: Vc: 5v ±0.1v, Vh(high): 5v ±0.1v, Vh(low): 1.5v ±0.1v
Condition: NewSKU: n/a - Gas & Air, Sensors
MQ-8 Hydrogen Gas Sensor Module
Model: MQ-8 Hydrogen Gas Sensor Module
Brand Name: HAILANGNIAOModule features:
It has good sensitivity to the detection of hydrogen.
input voltage: DC5V power consumption (current): 150mA
DO output: TTL digits 0 and 1 (0.1 and 5V)
AO output: 0.1-0.3V (relatively pollution-free), the maximum concentration voltage is about 4V
Using high quality double panel design, it has power indication and TTL signal output indication.
It has DO switching signal (TTL) output and AO analog signal output.
the TTL output effective signal is low level. (when the output is low, the signal lights on, can be directly connected to a single chip or a relay module).
To simulate the output voltage, the higher the concentration, the higher the voltage.
four screw holes are easy to locate;
The shape of the product: 32 (L) *20 (W) *22 (H)
Long term life and reliable stabilitySKU: n/a - Gas & Air, Sensors
MQ-9 Gas Sensor (CO, LPG,CH4) Module
Model: MQ-9 Gas Sensor (CO, LPG,CH4) Module
Module Features :
Good sensitivity to CO/Combustible gas * High High sensitivity to Methane, Propane and CO
Input voltage : DC5V Power consumption ( current ): 150mA
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
Using high-quality dual-panel design, with power indicator and TTL signal output instructions;
The switching signal having a DO (TTL) output and analog output AO ;
TTL output valid signal is low . ( Low-level signal when the output light can be directly connected to the microcontroller or relay module )
The higher the voltage of the analog output voltage with concentration higher .
Product dimensions : 32 (L) * 20 (W) * 22 (H)
Has a long life and reliable stability
Rapid response and recovery characteristics
Special note: After the sensor is powered , needs to warm up around 20SSKU: n/a - Sensors, Fire, Gas & Air
MQ2 Smoke & Gas Sensor (LPG, Alcohol, Propane, Hydrogen, CO)
Model: MQ2 Smoke & Gas Sensor (LPG, Alcohol, Propane, Hydrogen, CO) Module
Brand Name: HWA YEH
Features:Operating Voltage is +5V
Can be used to Measure or detect LPG, Alcohol, Propane, Hydrogen, CO and even methane
Analog output voltage: 0V to 5V
Digital Output Voltage: 0V or 5V (TTL Logic)
Preheat duration 20 seconds
Can be used as a Digital or analog sensor
The Sensitivity of Digital pin can be varied using the potentiometerSKU: n/a