Features

• 0 to 100% LEL methane
• High quality, low power
• Excellent poison resistance

The AlphaSense CH-A3 Pellistor Sensor detects low levels of flammable hydrocarbon gases including methane, ethane, propane, butane, acetylene, ethylene and isobutylene in ambient air.

This 20mm diameter sensor is the industry standard size for portable gas detectors. All pellistors are housed in certified flameproof chambers.