tds digital water tester online manufacture

YIERYI LCD Digital TDS-966 Meter Filter Measuring Water Quality Purity Tester tds meter Features Compact and pocket-sized design Easy to use and provides a quick measurement High accuracy with 2% full scale ... Read More

Digital WiFi PH EC TDS SALT S.G.Temp Meter Water Quality Tester 6-in-1 Multifunction Smart Monitor Tuya APP Control for Aquarium PH Meter probe Features: 1,This 6-in-1 WIFI PH/EC/TDS/SALT/S.G./Temp controller ... Read More

YIERYI TDS EC Meter Temperature Tester Water Measurement Tool TDS&EC Tester 0-4999ppm Features: Display:LCD, Voltage : CR2032 Battery, DC3V Measure range : 0 ~ 4999 ppm Backlight:green (direct drinking water) ... Read More

Yieryi Digital Soil EC Tester EC/TDS/CF meter High Quality soil Fertility Probe For All Soil Gardening Plants Farming 1.High Quality Probe Rust proof, 2.corrosion-resistant suitable for all kinds of soil Large ... Read More

Yieryi ORP-2069 LCD Digital Type Red Pen PH Tester Water Quantity Pool Tester ORP Meter roduct Description: This handy ORP tester measure the amount of Oxidation Reduction Potential (mV) from - 1999~1999mV. It ... Read More

EC -963 Digital EC Meter Tester Conductivity Water Quality Measurement Tool Features Compact and pocket-sized design Easy to use and provides a quick measurement High accuracy with 2% full scale accuracy Data ... 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

Yieryi pH Meter with Backlit Display for Aquarium Pocket Acidimeter Water Analysis Device Specification: Range 0.00~14.00pH Resolution 0.01pH Accuracy 0.1pH Battery 2 3V(CR1632) Temperature Compensation 0C~50C ... Read More

YIERYI LED Pen-Type Digital ORP Meter ORP-969 electronic redox Tester Water Quality Analysis Specifications Range -1999mV ~ 1999mV Resolution 1mV Accuracy 5mV Operating Temperature 0degrees ~ 50degrees (32F ~ ... Read More

YIERYI Digital Pen-type tester ORP-969 Pen-Type ORP Meter VOxidation Reduction Analyzer Features: Use to measure the amount of Oxidation Reduction Potential (ORP) level. The tendency of the solution to either ... Read More