公司名称：上海涵晶实业有限公司

"检测现场空气中可燃气体的浓度,LCD显示气体浓度，具有自动校正和归零，低光/报警时自动背光，声光报警可清晰辨认。                                                                  光报警：红色LED和显示读数并闪烁。                                                                                                                                           声报警：90dB(0.3m内）可变的声音报警。                                                                                                                                        工作温度：-40℃～50℃         尺寸：28*50*95mm
重量：83g       气体：LEL      量程：0～100%                                                                                                                                 报警设置：低报警10%  高报警：20%  TWA报警不适用       "