Zhejiang Top Cloud-Agri Technology Co., Ltd.  

Product Name: Tys-3n Portable Plant Nutrition Tester Model NO.: TYS-3N Place of Origin: Zhejiang, China (Mainland) Brand Name: Top Model Number: Tys-3n Chlorophyll Range: 0.0-99.9 Spad Nitrogen Accuracy: +-0.5% Chlorophyll Accuracy: +-2spad Nitrogen Range: Full Scale Leaf Temperature Range: 0-90