在线电导率传感器用于环境水质检测、各种高/低离子强度的水样测试,能够满足大多数工业/环境应用对在线电导率测量的要求。拥有良好的再现性,热稳定性,低漂移,体积小,响应速度快。
一.应用环境说明
用于环境水质检测、各种高/低离子强度的水样测试,能够满足大多数工业/环境应用对在线电导率测量的要求。
信号输出:RS485(MODBUS-RTU)。
内部信号隔离技术,搞干扰性强。
良好的再现性,热稳定性,低漂移,体积小,响应速度快
安装方便,简单,3/4NPT管螺纹,便于沉入式安装或安装在管道和罐体
性能稳定,使用寿命长
IP68防水标准
24*1.2 18*1.5*2 28*2 2
二.技术性能和规格
1.技术参数
测量原理 | 接触式电极法 |
信号方式 | RS485(MODBUS-RTU) |
测量范围 | 0~5000 μS/cm |
测量分辨率 | 1 |
测量精度 | ± 1.5%; ±0.1 °C |
响应时间 | 约 30s (98%静止液体) |
外壳材质 | ABS 和 316L 不锈钢 |
温度补偿 | 自动温度补偿(M1820Z) |
电缆长度 | 标配 5 米 |
供电电压 | 12-24VDC(0.4W@12V) |
测量环境 | 温度 0~50℃(不结冰) ,< 0.2MPa |
防水等级 | IP68 |
安装方式 | 浸入式安装,NPT3/4 螺纹 |
三.电气连接
线缆为5芯屏蔽线,线序定义:棕色-电源线(12~24VDC)
黑色-地线(GND)
蓝色-485A绿色-485B
黄色-4-20mA电流输出(未用可悬空)
通电前应仔细检查接线顺序,避免因接线错误而造成不必要的损失。
四.维护和保养
常规的电极需要进行周期性的清洗和校准,保养周期由客户根据自己的工况来决定。常规电极的清洗方法:用软毛刷清除附着物(注意避免划伤电极表面),再用蒸馏水清洗,之后进行校准操作。
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