ACCURACY AND PRECISION OF SMARTPHONES IN MEASUREMENTS OF ILLUMINANCE AND LIQUID TURBIDITY

被引：0
|
作者：
Tongjan, N. [1 ]
Sirisathitkul, C. [2 ]
机构：
[1] Benjamarachutit Sch, Nakhon Si Thammarat, Thailand
[2] Walailak Univ, Sch Sci, Dept Phys, Nakhon Si Thammarat, Thailand
来源：
REVISTA CUBANA DE FISICA | 2020年 / 37卷 / 02期
关键词：
MOBILE PHONES; SMART; LIGHT; POLARIZATION;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Smartphones have demonstrated being attractive tools for illuminance and liquid turbidity measurements. The ambient light sensor and its corresponding mobile application can measure the reduction in illuminance with the distance away from a light source. The indirect measurement of turbidity is performed via the light passing through a solution. The illuminance linearly decreases with the increase in molar concentration of solution and a linear conversion equation to the turbidity can be obtained. By repeating the experiment, the uncertainty in direct measurements of illuminance is less than 1 %, ensuring an appropriate precision for educational and professional uses.
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收藏
页码：131 / 134
页数：4
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