1.VESTA Independent LPG Gas Alarm Description The VESTA Independent LPG Gas Alarm is a new model which designed strictly according to EN50194 standard. It has fast response to natural gas or LPG and big alarm sound to remind people for gas leakage. 2.VESTA Independent LPG Gas Alarm Features Designed to meet EN50194 standard New design Optional valve and relay output 3.VESTA Independent LPG Gas Alarm Application The VESTA gas alarm is a new model which designed strictly according to EN50194 standard. It has fast response to natural gas or LPG and big alarm sound to remind people for gas leakage. 4.VESTA Independent LPG Gas Alarm Specifications Measuring gas Natural gas or LPG Working voltage AC220V±15%/AC110V±15% 50Hz~60Hz Sensor life >3 years Alarming level 10%LEL Working Environment Temperature: -10 - 50 Humidity: