Standard No.:	GB/T 20245.4-2013
English Name:	Expression of performance of electrochemical analyzers—Part 4:Dissolved oxygen in water measured by membrane covered amperometric sensors
Chinese Name:	电化学分析器性能表示 第4部分：采用覆膜电流式传感器测量水中溶解氧
Chinese Classification:	N53    Electrochemical, thermochemistry and optical profile type analyzer
Professional Classification:	GB    National Standard
ICS Classification:	71.040.10 71.040.10    Chemical laboratories. Laboratory equipment 71.040.10
Issued by:	AQSIQ;SAC
Issued on:	2013-7-19
Implemented on:	2013-12-15
Status:	valid
Language:	English
File Format:	PDF
Word Count:	11000 words
Price(USD):	330.0
Delivery:	via email in 1~3 business day

GB/T20245的本部分规定了用于测定水溶液溶解氧含量的传感器、分析器和电子单元的性能试验以及制造厂提出的要求、术语和定义。
本部分适用于采用覆膜电流式传感器连续监测溶解氧的分压或含量的分析器,也适用于测量饮用水、工业流程中水、工业废水、生活废水和贮水池(如湖水、河水、港湾水)中溶解氧的分析器。
对于采用覆膜电流式传感器的分析器讨论,并不完全适用非覆膜电化学传感器,但可作为一般参考文献。