2、分辨率:0.01pNa
3、温度补偿范围:0~60℃;
4、电子单元基本误差:0.02 pNa±1个字;
5、电子单元稳定性误差: 0.02 pNa/3h
6、仪器重复性误差:0.03pNa
7、外形尺寸:200×210×70mm(l×b×h)
8、重量:1kg
9、正常使用条件:
a)环境温度:(5~50)℃
b)相对湿度:≤85%
c)供电电源: AC 220V±10% 50Hz
d)无显著的震动;
e)除地球磁场外无外磁场干扰。
DWS-51 natrium ion concentration of Sodium ion
A, performance characteristics:
DWS-51 type sodium ion concentration tester is used for electrochemical instrument sodium ion content in the aqueous solution is measured, it uses the bluebacklight, double digital display LCD, can displaytemperature and pNa value can also be converted into the concentration value of pNa value. Sodium ion concentration of the instrument for laboratory samplingin universities, research institutes, environmental monitoring, industrial and mining enterprises and other departments of the determination of aqueous solution.
Two, the main technical indexes:
1, measurement range: pNa value: (0.00~9.00) pNa;
[Na] (concentration): 23g /L ~ 0.023 μ g/
2, resolution: 0.01pNa
3, temperature compensation range: 0 ~ 60 ℃;
The basic error of 4, electronic unit: 0.02 pNa ± 1 words;
5, the electronic unit stability error: 0.02 pNa/3h
The repeatability error, instrument: 0.03pNa 6
7, size: 200 x 210 x 70mm (L * b * h)
8, weight: 1kg
9, the normal conditions of use:
A) environment temperature: (5 ~ 50) ℃
Relative humidity: ≤ 85% b)
C) power supply: AC 220V ± 10% 50Hz
D) no significant vibration;
E) in addition to outside the earth's magnetic field andmagnetic field interference.
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