MQ-135 Air Quality Gas Sensor Alarm Hazardous Gas Detection Module for Arduino

Description:

100% brand new and high quality Features： Size: 32X20X22mm/1.25*0.78*0.86” The main chip: MQ135 gas sensing probe 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 Sulfide, benzene Department of steam, smoke and other harmful gases with high sensitivity Has a long life and reliable stability Rapid response recovery characteristics Applications: A hazardous gas detection apparatus for the family, the environment, suitable for ammonia, aromatic compounds, sulfur, benzene vapor, smoke and other gases harmful gas detection, gas-sensitive element test concentration range: 10 to 1000ppm Quantity:1pc

Package includes:

1 x MQ-135 Air Quality Sensor Hazardous Gas Detection Module

100A SCT-013-000 Non-invasive AC Current Sensor Split Core Current Transformer

*Rated Input Current: 60A/100A*Size: 13mm x 13mm*Fully compatible; nonlinearity 3% (10% ~ 120% rated*Input current); lead length 1.5 m, standard3.5 three core*Plug output; form of two output current, voltage (voltage input*A shaped built-in the sampling resistor).*Usage: for AC motors, lighting equipment, air compressors and other current measurement*Monitoring and protection.*Core material: ferrite*Mechanical strength: opening and closing times, no less than 1000 times (20°c test)*Safety indicators: Dielectric strength (housing and output between) 6000V AC/1min*Meet UL94-V0 flame retardant properties*Operating Temperature: -25 °c ~ 70°c