钠离子浓度计概述：
DWS-51型钠离子浓度计是一种测量水溶液中钠离子含量的仪器和设计，尤其对于电厂高纯水(如蒸汽、水、锅炉给水等)的质量监测更适用，也可用于结构性机构如高等院校、科研部门等，石油化工、微电子、测定天然水、工业排水中钠离子浓度(或活性)。
钠离子浓度计外观图片
钠离子浓度计主要技术参数：
1. 测量范围：
(a). PNa值：(0～9)PNa;
(b). Na+浓度：0.23 nm g/L~23 g/L。
(c). MV值：(- 1800～1800)mV。
2. 分辨率：0.01 PNA。
3. 电子单元基本误差：±0.02pNa ±1个字。
4. 仪器的基本误差：±0.05PNA。
5. PNa值~[Na+]浓度值转换的计算误差：±0.3%(读数)。
6. 仪器重复性误差：不超过0.03pNa. ±1个字。
7. 温度补偿范围试验方案(5～50℃)
8. 电子单元的稳定性：±2mv
钠离子浓度计仪器的9种正常工作条件：
(a). 环境温度(5～40℃);
(b). 相对湿度：不超过80%;
(c). 电源：交流220V正负22V;频率50±1赫兹
(d). 除地球磁场外没有其他磁场干扰;
(e). 无明显振动。
钠离子浓度计外形尺寸：1×B x H，mm：230×200 x 80
重量：1.5公斤
钠离子浓度计装箱清单：
a). DWS-51型钠离子浓度计················································1台
b). 7101复合钠电极···························································1支
c). 电源线········································································1根
d). 电极架········································································1个
e). 说明书········································································1本
f). 合格证·········································································1个
