RS-100A Nutrient-Wand PPM/ EC/ CF Tester £  ¨ 3 in 1 £  © Range: PPM: 280--3080, EC: 0.4 ¡  ª 4.4, CF: 4--44, Resolution: 0.1 EC Accuracy : + / - 4% full scale TDS Factor: 700ppm = 1EC = 10CF, Operating....
ZD INSTRUMENT -- SOLUTION FOR YOUR LAB & HYDROPONICS We-ZD Instrument Corp, is a specialized manufacturer of Electro-Chemistry instruments. Our main products are pH meters and Waterproof pen pH....
RS-100B Nutrient-Wand Precision Digital PPM/ EC/ CF Tester £  ¨ 3 in 1 £  © Range: PPM: 0--9990, EC: 0.0 ¡  ª 10.0, CF: 0--100, Resolution: 10ppm ( mg/ l) ; 0.1 EC ( mS/ cm) , , 1 CF, Accuracy:  ¡ à € 2% F.S;  ¡ à € 2% ....
ZDRS-200 pH & TDS, Temp Monitor £  ¨ 3 in 1 £  © Range: 0.00 -- 14.00 pH ; 0 -- 9990 ppm, 5  ¨ C 35 ¡ à ¦ / 41 ¨ C95  ¨ H Resolution: 0.01 pH; 10ppm ( mg/ l) ;  ¡ à € 1%  ¡ à ¦ /  ¡ à € 1%  ¨ H Accuracy:  ¡ à œ  ¡ à € 0.1 pH, ....
ZDRS-200A pH & EC, Temp Monitor £  ¨ 3 in 1 £  © Range: 0.00 -- 14.00 pH ; 0.0 ¨ C10.0 EC ( mS / cm) , 5  ¨ C 35 ¡ à ¦ / 41 ¨ C95  ¨ H Resolution: 0.01 pH; 0.1EC;  ¡ à € 1%  ¡ à ¦ /  ¡ à € 1%  ¨ H Accuracy:  ¡ à œ  ¡ à € 0.1....
ZD-05 SOIL PH AND MOISTURE TESTER Range: pH: 3-8 pH ; Moisture: 1-8 Notes: Soil pH value is a very important factor for the quality of crops. Most of crops cannot survive in too acid or too alkaline....