PH-902 Pen pH Testr WP Range: 0.00 14.00 pH, Resolution: 0.01 pH, Accuracy: 0.03 pH, Temp. C: 5 50 , ( ATC) Calibration: Two-point at 6.86pH and 4.01pH ( or 7.0pH and 4.01pH) ....
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....
DDS- EC Mini Check Range: 0.0-10.0 EC( mS/ cm) , Resolution: 0.1 EC, Accuracy: 2% Full Scale, Battery Life: DC 4 x 1.5V, Temp. : 5--50 ( ATC) , Display: 2 LCD
DDS- S / cm Mini Tester Range: 0-1999 uS/ cm, Resolution: 1 uS/ cm, Accuracy: 2% Full Scale, Battery Life: DC 4 x 1.5V, Temp. : 5--50 ( ATC)
ZDS-TDS Pen Tester WP ( Total Dissolved Solids) Range: 0-1999 ppm ( mg/ l) , Resolution: 1 ppm ( mg/ l) , Accuracy: 2% Full Scale, Battery Life: DC 4x 1.5V, Temp. : 5--50 ( ATC) , Features: ....
ZDS- EC Pen Check WP Range: 0.00-19.99 EC( mS/ cm) , Resolution: 0.01 EC, Accuracy: 2% Full Scale, Battery Life: DC4 x 1.5V, Temp. : 5--50 ( ATC) , Features: Automatic switch-off function: ....
RS-100A Nutrient-Wand PPM/ EC/ CF Tester 3 in 1 Range: PPM: 280--3080, EC: 0.4 4.4, CF: 4--44, Resolution: 0.1 EC Accuracy : + / - 4% full scale TDS Factor: 700ppm = 1EC = 10CF, Operating....
ZD-06 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....
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....