Gas alarm wall mounting, there are no special requirements on the installation height, the ceiling installation. Proposed gas alarm installed in place from the leak point! Gas alarm should be installed in the duty room. Gas alarm should be installed on-site workshop (to be detected) from the ceiling (30 ~ 60) cm at and sensor site down. In order to properly use to prevent gas detector failures occur, please do not install in the following locations: directly by steam, fumes. 2, to the air intake, ventilation fans, door air volume flow big place. 3, water vapor, water droplets in many places (relative humidity ≥ 95% RH). 4, the temperature below -40 ℃ or 65 ℃ place. 5, strong electromagnetic fields. For your safety, all in Shandong Xiang Electronic Technology Development Co., Ltd. www.qitibaojingqi88.com.cn