FIS3031 is the module for detecting methane leakages. A great quality/price ratio safety device.

This module has the semiconductor  gas sensor SB-12A-00 mounted. 
Since the module is pre-calibrated at the factory, users do not need expensive and complicated calibration equipment and procedure

Main Features

• Target gas: Methane
• Supply voltage: 5 ± 0.25V DC
• Concentration Output: NO
• Water-proof housing: SI
• Alarm concentration (methane): FIS3031-00: single alarm @ 5000ppm - FIS3031-99: 1st alarm @ 3000ppm, 2nd alarm @ 5000ppm
• High temperature: 120℃ for 10 seconds
• Operating temperature range: -10 ～ 50℃
• Storage temperature range: -40 ～ 60℃
• Should not be exposed to organic solvents such as IPA, and silicon compound

AVAILABLE Configurations: