霍尼韦尔ImpulseXP***检测仪仪器技术参数检测气体量程报警点设置一级报警点二级报警点STELTWA氧气0-30%vol23.5%vol19.5%vol----------------***0-1000ppm50ppm100ppm400ppm35ppm***0-250ppm10ppm15ppm15ppm10ppm***0-150ppm2ppm5ppm5ppm2ppm***0-50ppm0.5ppm1ppm1ppm0.5ppm氨气0-100ppm25ppm50ppm35ppm25ppm0-400PPM25ppm50ppm35ppm25ppmQHQ0-100ppm5ppm10ppm10ppm5p)