Conductivity Measurement of Chemical Concentration Control
An economical and widely used technology
Superior Corrosion & Coating Resistance
Conductivity is used to monitor chemical concentration and control it by adjusting the ratio of water to acid or caustic. Chemical concentration control applications can be hard on conductivity sensors as high concentrations of acid or caustic can corrode the metal electrodes. In many concentration control applications, such as cleaning solutions, the acid or caustic solution is recycled back to the concentration control mixing tank for re-use. This can lead to the accumulation of solids in the solution that can coat or plug the electrodes on contacting conductivity sensors, resulting in an unreliable measurement. The Rosemount™ 228 Toroidal Conductivity Sensor is an excellent solution for most concentration control applications due to its superior corrosion and coating resistance compared to contacting conductivity sensors.
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产品解决方案
Rosemount 228 环形电导率传感器能可靠测量电导率最高为 2S/cm (2,000,000μS/cm) 的高电导率电解溶液。此类电导率传感器在金属电极传感器会发生故障的脏污和腐蚀性环境中仍可正常工作。Rosemount 228 电导率传感器稳固的设计使之十分适合测量酸、碱、盐溶液的浓度。
Rosemount 225 环形电导率传感器为要求卫生设计的制药、食品及饮料应用而设计。该电导率传感器耐腐蚀、抗污染，适用于测量 CIP 溶液浓度、检测产品/水界面、检查产品质量和监测色谱分离中的洗脱剂。
罗斯蒙特 226 环形电导率传感器可测量电导率最高为 2S/cm (2,000,000μS/cm) 的高电导率液体。该环形/电感传感器具有耐用的防污染设计，十分适合恶劣、腐蚀性和含纤维液体应用中的电导率测量。
Rosemount 1058 双通道变送器可为各种工业、市政和商业应用提供可靠的液体分析测量。该产品是一种四线制供电设备，可为数字和模拟传感器提供多参数液体分析：包括 pH/ORP 传感器、ISE、流量、电流、接触式和环形电导率传感器、浊度传感器和溶解氧、氯和臭氧传感器。
