这些膜片测量原理的电*通过测量电流来判断水体中余氯，二氧化氯或臭氧的含量，可用在饮用水，泳池水，工业用水和过程冷却水等行业。
余氯电*用来测量无机氯化剂：*分子，电解游离氯，次氯酸钠，次氯酸钙或漂*。
二氧化氯电*用来测量亚氯酸盐/氯或亚氯酸盐/盐酸装置中的二氧化氯。
臭氧电*用来测量电解游离臭氧分子。
电*均输出温度补偿后的4~20mA电信号，可通过二次仪表进行校验
E+H涡街流量计：
用来测量气体、蒸气和液体的流量。安装成本低，压损小，长时间稳定性及宽动态测量范围。
主要型号有:72F,73F,72W,73W
Prowirl 72W涡街流量计 Prowirl 72F涡街流量计 Prowirl 73F涡街流量计 Prowirl 73W涡街流量计
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E+H RN221N-B1
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E+H 77FS2F-BAP11A10 停产
代替 72F2F-*1AAPAAA4AA
E+H 50P25-EA2A1AA0AAAW
E+H 72F1H-SE3FA1CAA4AA
E+H 72F1H-SE3FA1CAA4AA
