ZD Instrument Corp.

We-ZD Instrument Corp, is a specialized manufacturer of Electro-Chemistry instruments. Our main products are pH meters and Waterproof pen pH Tester, Soil pH Meter, pH & EC / TDS /Temp Controller and ;NUTRA-WAND;T.D.S meters and pH & TDS/EC/Temp Monitor; mini EC, CF, ppm, ppt, uS/cm, mS/cm and Waterproof pen EC,mS/cm/,ppm,TDS,uS/cm Testers and pH Combined electrode, Oxygen(DO),Conductivity & ORP electrodes and accessories.