工作原理：
Polymetron 9582溶解氧分析仪基于克拉克（Clark）电池原理，探头的透氧膜将水样与电极隔离开，因此不需要对样品进行调节。其它还原性或氧化性离子由于不能穿过透气膜，故而不会对测量产生干扰。
向两个电极上施加恒定电压，保持每个电极的电位恒定。金质工作电极（阴极）会将水样中的溶解氧还原成氢氧根离子：O2 + 2H2O + 4e- --> 4OH 氧化反应发生在大的银电极（阳极）表面：
4Ag+ + 4Br- --> 4AgBr + 4e-
以上氧化还原反应产生扩散电流，电流大小与溶氧浓度成正比，溶解氧分析仪通过测得的电流大小转化为水样中的溶解氧浓度从而在屏幕上显示出来。
特性和优点：
● Polymetron 9582溶解氧分析仪采用电化学探头法，符合更多用户的习惯，经典可靠。
● 校准速度快，不到15分钟左右即可完成从ppm级到ppb级的校准。
● 检测限低，最低检测限< 1 ppb。
● Polymetron 9582溶解氧分析仪采用通用型9500控制器，便于集成。
● 探头安装操作简单，膜组件预先安装好，仅需几秒左右即可更换。
测量范围 0 ~ 2000 ppb（0-2 ppm）
最低检测限 < 1 ppb
单位 mg/L, ppm, μg/L, ppb, mbar, hPa,inch Hg, mmHg
重复性 ± 0.5 ppb 或 ±5%，以较大者为准
重现性 ± 0.5 ppb 或 ±2%，以较大者为准
响应时间 对于 1-40 ppb 的阶跃变化其值为： < 30秒左右
维护间隔 膜的寿命： 6 个月，取决于样品
工作温度范围 -20 ~ 60 °C（0 ~ 95% RH，非冷凝）
温度补偿 0 ~ 45°C (32 ~ 113 °F)范围内自动补偿
连接 1/4 英寸 NPT 螺纹连接（建议采用 6mm或 1/4 英寸管）
样品流等级 66 ~ 333 mL/min（4 ~ 10 L/hr）
订购指南
整套分析仪
9582.99.00P4 9582 溶解氧系统，AC-DC
9582.99.01P4 9582 溶解氧系统，Modbus 232/485，AC-DC
9582.99.03P4 9582 溶解氧系统，Profibus，AC-DC
通信模块选项
9334600 4-20 mA输出模块 (配备额外 3 路 mA 输出)
9013200 Modbus 232/485 模块
9173900 Profibus DP 模块
9525700 POLYMETRON传感器的 pH / ORP 模拟模块
9525800 POLYMETRON传感器的电导率模拟模块
配件和消耗品
09181=A=3600 溶解氧探头电解液，25 mL
09185=A=3500 溶解氧膜，一盒4 张
09182=A=1000 9582sc 替换电极
来源:哈希水质网站公开信息
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · Controllers and Sensors 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 Controllers and Sensors.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Controllers and Sensors 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 · Controllers and Sensors 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 Controllers and Sensors.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Controllers and Sensors 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 · Controllers and Sensors 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 Controllers and Sensors.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Controllers and Sensors 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 · Controllers and Sensors 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 Controllers and Sensors.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Controllers and Sensors 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.
