误差率:
-分辨率:
-重现性:
-仪器原理9/p>其他
分散方式9/p>-
测量时间9/p>-
测量范围9/p>-
看了DGB-401型水质分析仪的用户又看了
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l内置420nm?/span>470nm?/span>620nm?/span>700nm四个LED光源,寿命长,精度高:/span>
l采用分光光度法,内置高低化学需氧量'/span>COD)、氨氮、总磷4个检测项目;
l支持单点和多点校准,支持用户编辑校准曲线:/span>
l支持吸光度和浓度两种测量方式:/span>
l支持两种读数方式9/span>Smart-Read功能(智能判别终点)+/span>Cont-Read功能(连续测量):/span>
l每个检测项目可存储测量结果吃/span>200套,符合GLP规范,支持数据查阅、删除和打印:/span>
l支持USB通讯,支持连?/span>PC进行数据采集:/span>
l支持电池供电咋/span>USB供电,支持电源管理功能,可设置自动关闭光源和自动关机:/span>
lIP65防护等级,良好防水防尘性能:/span>
l支持固件升级,支持恢复出厂设置,允许功能扩展和应用拓展、/span>
商品参数
型号 技术参?/span> |
DGB-401 |
|
波长 |
420nm:/span>470nm:/span>620nm:/span>700nm |
|
测量范围 |
氨氮 |
'/span>0.000}/span>4.000(/span>mg/L,可拓展至(0.000}/span>300.00(/span>mg/L |
低浓?/span>COD |
'/span>0.0}/span>150.0(/span>mg/L |
|
高浓?/span>COD |
'/span>150}/span>1500(/span>mg/L |
|
总磷 |
'/span>0.000}/span>1.000(/span>mg/L,可拓展至(0.000}/span>25.00(/span>mg/L |
|
基本 误差 |
氨氮 |
±10$/span> |
低浓?/span>COD |
±8$/span> |
|
高浓?/span>COD |
±8$/span> |
|
总磷 |
±10$/span> |
|
重复?/span> |
氨氮 |
±3$/span> |
低浓?/span>COD |
±3$/span> |
|
高浓?/span>COD |
±3$/span> |
|
总磷 |
±3$/span> |
|
稳定?/span> |
氨氮 |
20min内氨氮浓度变化应小于0.200mg/L |
低浓?/span>COD |
20min冄/span>COD值变化应小于6mg/L |
|
高浓?/span>COD |
20min冄/span>COD值变化应小于6mg/L |
|
总磷 |
20min内总磷浓度变化应小亍/span>0.050mg/L |
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