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If you’re not afraid of public speaking and are an expert in something, you can build a reputation and start getting paid speaking gigs at a number of conferences and events. Though there’s more money involved in face-to-face events, it’s possible to get paid to speak as a virtual guest.E I R
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采购总磷水质分析仪
在线总磷成份水质分析仪克服了传统的磷酸盐实验室检测所存在的离散采样,高成本以及时间延迟等缺点,能够在大约45分钟内完成现场取样检测和结果计算。并且,所有的化学检测计算都采用标准方法,储存在系统内存。
系统描述
1,*的设计,使本产品较之同类产品具有更低故障率、更低维护量、更低的试剂消耗量以及更高的性价比和准确度。
2,利用光电计量管系统克服了蠕动泵流量不稳定造成的误差:增加了一个可视式光电定量装置,通过液面遮挡光线引起信号的改变,精确实现试剂定量,所以该法克服了软管磨损降低定量精度的缺点。
3,同时实现了微量试剂的精确定量,大大减少了试剂使用量。
4,多向选择阀,通道灵活多样,摒弃了昂贵的隔膜电磁阀,大大降低了维护量和维护成本。隔膜电磁阀虽然防腐性能很高,但是对试剂清洁度却有较高的要求,试剂不洁时,经常会出现倒流,并且这类电磁阀具有随其开闭而使流体被吸入或排出的泵功能,所以对于分析取样的精度提出了更高的要求,尤其是在所取剂量很少的情况下,带来的误差更是严重的。本发明涉及的选择阀,与目前市场上水质分析仪的电磁阀相比较,具有死体积少,防腐性能高,故障率低,使用寿命长,易维护更换等优点。
5,试剂进样采用蠕动泵负压吸入方式,保证液体不和泵管接触,试剂与软管间存在一个空气缓冲区,试剂与软管没有直接接触,所以大大降低了软管的要求并且杜绝了泵管对液体的污染、避免了泵管腐蚀。
采购总磷水质分析仪
技术参数
1 方法依据:比色法
2 测量范围: 0~1.5mg/L TP
3 准确度:不超过±10%。
4 重复性:不超过±10%。
5 测量周期:测量周期为45分钟。
6 采样周期:时间间隔(10~9999min任意可调)和整点测量模式。
7 校准周期:可手动即刻标定或者设定周期进行自动校准。
8 维护周期:一般每月一次,每次约30 min。
9 输出:4-20mA或RS-232。
10 环境要求:温度+5~40℃;湿度≤90%RH(不结露)。
11 电源:AC(220±10%)V,(50±10%)Hz,5A。
12 尺寸:高1400×宽600×深600mm。
13 其他:异常报警和断电不会丢失数据;
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