![HANNA HI97749 Hexavalent Chromium/Chromate/Dichromate [LR] Portable Photometer](http://img.nbchao.com/imgs/100/2024/03/29/1401230740973464.jpg)
![HANNA HI97749 Hexavalent Chromium/Chromate/Dichromate [LR] Portable Photometer Figure 1](http://img.nbchao.com/imgs/100/2024/08/29/0909180149828684.jpg)
![HANNA HI97749 Hexavalent Chromium/Chromate/Dichromate [LR] Portable Photometer Figure 2](http://img.nbchao.com/imgs/100/2024/08/29/0909440747285656.jpg)
![HANNA HI97749 Hexavalent Chromium/Chromate/Dichromate [LR] Portable Photometer](http://img.nbchao.com/imgs/800/2024/03/29/1401230740973464.jpg)
NBCLab takes or designs pictures, and embezzlement is strictly prohibited
[Statement] The pictures are for users' reference. Due to product upgrading or shooting level, please refer to the real object
[Statement] The pictures are for users' reference. Due to product upgrading or shooting level, please refer to the real object