测量方法:
离子选择电极加标法，序批式测量。，符合标准方法ASTM D4658-15（直接ISE）
仪器特点：
1）仪表采用序批式自动加标测量模式，能准确定量加入分析杯中已知浓度的标准溶液的量，确保数据的准确性。
2）智能的自动控制系统
3）多种测量范围可供选择，满足不同应用需求
4）通过工业面板电脑进行控制和通信
5）多种模拟和数字输出选项
6）支持多通道分析（最多8个通道可选）
测量参数 硫化物
测量方法 离子选择电极加标法，序批式测量。，符合标准方法ASTM D4658-15（直接ISE）
标准测量范围 "EZ3518: 1 - 10 mg/L S2- EZ3519: 10 - 100 mg/L S2- EZ3520: 100 - 1000 mg/L S2-"
检测限值 ≤1mg/L
准确度 ≤ 2% F.S.（使用标准溶液）
测量间隔 8分钟
验证 自动，频率可设置
校准 两点自动校准，频率可自由设置
工作温度 5-35℃ ±5℃（避免阳光直射和雨淋），相对湿度为5-95%（非冷凝）
试剂要求 在10-30℃之间存放
流速 100 - 300 mL/min
样品温度 10℃ - 30℃
电源要求 110-240VAC，4A，50/60Hz；最大功耗：150VA
模拟输出 4-20mA，最大500Ohm 负载，标准1 路，最多8 路（可选）
数字输出 可选：RS232、Modbus（TCP/IP、RS485）
样品要求 最大粒径100μm，＜ 0.1 g/L；浊度＜ 50 NTU
认证 符合CE / UL 认证
外壳防护 "分析仪主机：IP55; PC面板：IP65"
尺寸 690mmx 465mmx 330mm
装运重量 30kg
订购信息
EZ3518.99001102 EZ3518硫化物分析仪, 标准测量范围：1 - 10 mg/L, 1通道, 1 mA
EZ3519.99001102 EZ3519硫化物分析仪, 标准测量范围：10 - 100 mg/L, 1通道, 1 mA
EZ3520.99001102 EZ3520硫化物分析仪，标准测量范围：100-1000mg/L,1通道，1mA
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.
