Utilizing imported catalytic combustion sensors, this product provides accurate monitoring of 3%-100% LEL. With Ex d II C T6 Gb explosion-proof rating and IP66 protection, it's suitable for harsh industrial environments. It supports a variety of signal outputs, including four-bus, three-wire 4-20mA, and relay outputs. Integrated anti-poisoning, overcurrent, and reverse polarity protection ensure safe, reliable operation and a long service life in petrochemical, commercial kitchens, and other environments.