Size: 32mm * 22mm * 30mm (L * W * H) Main chip: MQ131 gas sensing probe Working voltage: DC 5V With the signal output LED indicator; Dual signal output (analog output, and TTL-level output); TTL output valid signal is low; (lights lit when the output is low, which can be accessed microcontroller IO port) Analog output increases with the concentration, the higher the concentration, the higher voltage; High sensitivity for ozone gas(probe concentration range 10PPB-2PPM) Long life and reliable stability; Rapid response and recovery characteristics; With mounting holes for easy fixed installation; Probe can plug or unplug for easy experiment. Application: Atmosphere for families and ozone gas detection device Package included: 1 pcs MQ-131 Ozone Gas Detection Sensor Module
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