ph conductivity meter online manufacture

Yieryi pen-Type ORP meter ORP2069 relectrical digital PH Meter Water Treatment Monitor Specifications: Range -1999~1999mV Resolution 1mV Accuracy 5mV LCD Display 4 Digits Battery 4 x 1.5V (AG-13) (Not Included) ... Read More

New Come Conductivity Meter Portable CT-3031 Pen Type Digital Waterproof Conductance Pen Cond Tester Packing List: 1 *Digital PH Tester Read More

Yieryi Digital ph meter TDS/EC/PH/Salinity/Tem Meter Digital Water Quality Monitor for Pools, Drinking Water, Aquariums EZ-9909 is a new multi-functional water quality test instrument, which can measure pH, TDS... Read More

Yieryi Agriculture Hydroponic meter Tester EC Meter Nutrient Truncheon Meter EC/ppm/CFH for Hydroponics Specifications: This conductivity nutrition / PH test stick portable water quality test pen EC meter multi... Read More

PH Powder Calibration Solution pH4.00, pH4.01, pH6.86, pH 7.00, pH9.18, pH10.01 specifications: 5x PH 4.01 5x PH 6.86 5x PH 7.0 5x PH 9.18 5x PH 10.01 Features: As this is a powder, in a sealed packet there is ... Read More

Aquarium Water Quality Salt Pool Water Salinity Meter Pen Type Range 0.0% To 10.0% Features: * 0.0 to 10.0% * LCD with indicates both % & temp. * Pen type digital tds meter, all in one, salt electrode included, ... Read More

WiFi Temp EC PH Meter Conductivity Controller Water Quality Tester Hydroponics Nutrient Online Monitor Acidimeter Data Logger for Indoor Plant Aquariums The product has a new export function for historical data... Read More