Pen type digital pH meter, all in one, pH electrode included, easy to use
Data hold function for freezing the desired value.
Supplied with pH 4.01, pH 6.86 and pH 9.18 buffers
Power supply by 1.5 V battery LR44 x 4 PCs
http://www.phkedida.com

Company: Shenzhen Kedida Electronics Co.,Ltd
Country: China (Mainland)
Address: 703, 3 Building, Anle Industry, Baoan 43 Area, Shenzhen City, Guangdong Prevince, China
Contact: wang li