Ph仪表是一种常用的仪器设备,主要用来精密测量液体介质的酸碱度值,广泛应用于工业、农业、科研、环保等领域。
测量原理:
测量电极浸入溶液中,H+离子在电极膜和溶液之间产生电池电压,电极产生的电池电压与PH值成正比。控制器内置微机电路通过测量电池电压获得PH值。
![在线PH/ORP计](https://img58.chem17.com/gxhpic_201f2f0cec/e6f2b0f98c8fa8625762aa7ed9531e98a7c30f0e5095fc8622251a7f72af5595bf26e16a4ba1216a.jpg)
LH-PH-S型在线PH/ORP计产品特点:
* Modbus 485与4-20mA同时输出,直接连接电脑和PLC等系统
*低阻抗敏感玻璃膜(采用瑞士技术)
*内部信号隔离技术,搞干扰性强
*良好的再现性,热稳定性
在O-14PH范围内呈线性电力值
*不易水解,消除了碱误差
*Ip68防水标准
*宽电压供电(7~30V)
*低漂移,体积小,响应速度快
*安装方便,简单,电脑和手机直接读数,设置,与校准
*性能稳定,使用寿命长
*可选用航空接头,方便电极更换
LH-PH-S型在线PH/ORP计技术参数:
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