测量方法：
CL17sc/CL17Dsc 余氯总氯在线测定仪通过测量空白吸光度建立零参考点，在测量氯之前补偿样品的色度和浊度。之后，将指示剂溶液和缓冲液加入样品中, 通过磁力搅拌子使样品发生显色反应。随后，色度计测量透过样品的吸光度, 将得到的吸光度与参考标准比较, 得出测量结果。最后样品室被新的样品充满, 余氯在线测定仪分析周期2.5分钟左右（常规版）/10分钟左右（管网版）。
仪器特点：
基于在线氯分析仪的传统可靠性，CL17sc余氯在线测定仪自动诊断，易于维护。升级后提高了余氯在线分析仪的使用便利性，降低了数据丢失的风险，同时提供更多协助决策的可靠信息。
便于维护
CL17sc余氯在线测定仪通过可编程的警告提醒、简化的管件替换以及分步进行的维护指令，降低维护量减少您的日常维护接触时间。
延展性好
CL17sc 余氯在线测定仪配合哈希SC控制器平台使用，延展性好。可与自动加氯泵联机，实现自动加氯，更可连接外部模拟和数字通讯设备，外部设备连接灵活。
综合诊断功能让，运行更平稳
通过升级后的功能，如流量传感器、比色池观察窗、多色状态灯以及预测性诊断软件，可随时知晓余氯在线分析仪是否按预期运行。
技术指标
测量参数 余氯、总氯
测量方法 N,N- 二乙基-1,4- 苯二胺光度法 （DPD 法）
测量范围 0-10mg/L余氯或总氯
检测限值 0.03mg/L
准确度 在 0 到 5 mg/L 的范围内为 ±5% 或 ±0.04 mg/L（取较大值），以 Cl2 计
在 5 到 10 mg/L 的范围内为 ±10%，以 Cl2 计
测量间隔 CL17sc - 2.5分钟， CL17Dsc - 10分钟
校准方法 工厂校准
可选：使用校准标准溶液进行 2 点用户校准在校准验证套件中
工作温度 5-40°C
样品温度 5-40°C
存储温度 -40 至 60°C（-40 至 140 °F）
相对湿度 0 至 90% 非冷凝相对湿度
电源要求 最大 12 VDC、400 mA（由控制器提供）
流速 通过仪器的流速为 60 至 200 mL/min
认证 CE符合：EN61326-1、CISPR11、EN50581、ACMARCM
韩国KC认证
北美：FCC供应商
符合性声明、IEC/EN60529、ICES-003
外壳防护 IEC60529 IP66 （仪器门关闭情况下）
尺寸 32.9 x 34.2 x 17.7 cm
装运重量 不含瓶时为 4.1 kg (9 lb)；瓶装满时为 5.1 kg (11.2 lb)
订购指南
订购信息
8572700 CL17sc 余（总）氯分析仪，带立管安装工具包和余氯试剂
8572800 CL17sc 余（总）氯分析仪，带立管安装工具包和总氯试剂
8572900-CN CL17sc 余（总）氯分析仪，带压力调节器安装工具包和余氯试剂
8573000 CL17sc 余（总）氯分析仪，带压力调节器安装工具包和总氯试剂
8572300 CL17sc 余（总）氯分析仪，带立管安装工具包，无试剂
8572400 CL17sc 余（总）氯分析仪，带压力调节器安装工具包，无试剂
8572500 CL17Dsc 余（总）氯分析仪，带立管安装工具包，无试剂
8572600 CL17Dsc 余（总）氯分析仪，带压力调节器安装工具包，无试剂
8560500 CL17sc立管安装工具包
8565700 CL17sc压力调节器安装工具包
配件
8568200 CL17sc校准验证工具包
8573200 CL17sc校准验证及重注工具包
8560500 CL17sc立管安装工具包
8565700 CL17sc压力调节器安装工具包
试剂和耗材
8560400 CL17sc管套件（预组装）
8573100 CL17sc管清洗工具包
2556900-CN 试剂套装、余氯
2557000-CN 试剂套装、总氯
2297255-CN DPD混合物（24克）
2314011-CN 余氯指示剂溶液
2314111-CN 余氯缓冲溶液
2263411-CN 总氯指示剂溶液
2263511-CN 总氯缓冲溶液
来源:哈希水质网站公开信息
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · HACH-ONLINE Application Case
Project Background
Municipal Wastewater Treatment customers at the Wastewater Treatment Plant stage have long faced the challenge of insufficient accuracy in effluent quality monitoring and instruments prone to contamination causing data drift, affecting compliance discharge, placing higher demands on the stability and measurement accuracy of HACH-ONLINE.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable HACH-ONLINE for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Municipal Wastewater Treatment conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Food & Beverage — Food Production Line · HACH-ONLINE Application Case
Project Background
Food & Beverage customers at the Food Production Line stage have long faced the challenge of high hygienic measurement requirements, with inline instruments needing to withstand CIP/SIP cleaning while maintaining stable accuracy, placing higher demands on the stability and measurement accuracy of HACH-ONLINE.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable HACH-ONLINE for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Food & Beverage conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Chemical & Pharmaceutical — Reactors and Storage Tanks · HACH-ONLINE Application Case
Project Background
Chemical & Pharmaceutical customers at the Reactors and Storage Tanks stage have long faced the challenge of highly corrosive media and complex conditions, requiring corrosion-resistant and explosion-proof instruments, placing higher demands on the stability and measurement accuracy of HACH-ONLINE.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable HACH-ONLINE for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Chemical & Pharmaceutical conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Power & Energy — Power Plant Boiler and Turbine · HACH-ONLINE Application Case
Project Background
Power & Energy customers at the Power Plant Boiler and Turbine stage have long faced the challenge of unstable measurement under high temperature and pressure, with high maintenance and downtime costs, placing higher demands on the stability and measurement accuracy of HACH-ONLINE.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable HACH-ONLINE for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Power & Energy conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
