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YMJDEA Portable pH Pen/Meter YM-901 AND YM-902 (NEW!) 资料下载 该产品没有下载资料 产品简介 Waterproof Mini PH Tester (0.01 pH resolution) - Totally waterproof! - Small like a pen! 详细资料 Portable pH Pen/Meter .....

We are the professional manufacturer of all kinds of hardness testers & metallographic specimen preparation machines (such as grinding & polishing machine, cutting machine and mounting press etc.). For more information, please visit our web site:.....

Model :YM-901 Digital pH Meter Tester - Universal Tester! 1. Pen-type PH Meter 2. Lightweight and compact 3. Quick accurate readings 4. Membrane switching 5. Long Battery Life This handy pH pen/meter is a great tool for any aquarist......

I am the agent of the YM company in China. Our products are mainly focus on pH tester related fields. Our product advances are mainly in the prices and quality fields. We can provide you with good quality and low price pH meters. Following is.....

*Cable series: Coaxial cable, Lan cable, telephone cabel, optic fiber. *Telecommunication products: Cat5e and cat6 keystone jack, patch panel, disconnection& connection model and distribution box, STB module, Network tester, network tools, .....

We—ZD Instrument Factory, is a specialized manufacturer of Electro-Chemistry instruments. Our main products are pH meters and Waterproof pen pH Tester, “NUTRA-WAND”T.D.S meters, EC Check, CF Check, ppm Tests, ppt Tests, uS/cm Tests, mS/cm Tests, .....