Unverified88% confidenceDecision RuleTime unknown
监测猫砂盆/密闭猫厕所区域的氨气（NH3）和硫化氢（H2S）需专用电化学气体模块，通用'甲醛/VOC仪'无法检测氨气，选购时须确认参数表明确标注NH3量程（通常0-100ppm）
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