PCM200-CODmn-BD Permanganate Index Online Automatic Monitor of Water Quality
Acid potassium permanganate oxidation titration method. Potassium permanganate oxidizes the organic pollutants in the sample, and then adds the measured sodium oxalate solution to reduce the remaining potassium permanganate, and then uses potassium permanganate solution to drop back the excess sodium oxalate, judges the titration endpoint by the change of photometrology, and finally the instrument automatically calculates the permanganate index value.
- The ten-way valve with sapphire valve core has high wear resistance coefficient, strong acid and alkali resistance, organic solvent resistance, strong service life and high stability;
- It has the function of separating waste liquid, which realizes the separate discharge of high-concentration reaction waste liquid and low-concentration cleaning waste liquid;
- It has a dynamic dilution function, which can automatically adjust the dilution factor according to the range set on site;
- It has built-in quality control functions such as spike recovery, blank test, standard sample verification, zero point verification, span verification, parallel sample testing, etc., and can realize automatic, manual, remote and other ways to start quality control functions;
- It has the functions of automatic fault diagnosis and abnormal information upload and recording, such as component failure, over-range alarm, over-standard alarm, reagent deficiency alarm and other information;
- With overheating protection: if the heating temperature is too high, the heater will automatically power off;
- After abnormal reset and power failure, the instrument automatically discharges the residual reactants in the instrument and automatically returns to the initial working state;
- It has a power-on alarm function, and the instrument will generate alarm information when the power is re-powered after a power outage;
- It has the functions of analytical instrument process log, measurement data recording and alarm information storage, and can be stored for more than 5 years by recording data calculation every hour, and can quickly export data from a USB flash drive;
- It has three levels of administrative permissions.
- Online monitoring of permanganate index of drinking water and surface water.
| 量程 | 0-50mg/L(可定制) |
| 示值误差 | ≤±10%或≤±0.2mg/L,取⼤者 |
| 检出限 | ≤0.5mg/L |
| 重复性 | ≤5% |
| 零点漂移 | ≤±5% |
| 量程漂移 | ≤±5% |
| 分辨率 | 0.001mg/L(小数点位数2-3位可设置) |
| 显示 | 7寸触摸屏 |
| 测量模式 | 连续模式、周期模式(1h-30d可调)、定点模式、受控模式、手动模式可选 |
| 校准模式 | 手动校准和自动校准两种模式 |
| 维护周期 | ⼀般每月⼀次 |
| 电源 | 220VAC±10%,50HZ±10% |
| 输出 | 4-20mA输出 |
| 通讯方式 | MODBUS RS-232、RS-485、RJ45 |
| 环境条件 | 温度可调的室内,建议温度+5-40℃;湿度≤85%(不结露) |
| 尺寸 | 302*271*462mm(长*宽*高) |
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