检测元素:氨氮NH4+/NH3检测范围1: 0.01-0.05-0.1-0.2-0.4-0.6-0.8-1.0检测范围2:0-0.2-0.5-1-2-5-10检测范围3:0.2-0.4-0.6-0.9-1.2-1.5-2-3-5-8-15