water conductivity meter online manufacture

Yieryi TDS Meter Water Quality PH Tester for Aquarium Water alloy probe Stick Monitoring Yieryi digital LCD TDS Meter Water Quality PH TDS Tester for Aquarium Pool Water quality TDS-1 Water Quality Meter TDS1- ... 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 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

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

Feature: [4-in-1 water quality test] YIERYI PH meter is designed with 4-in-1 function, which can be measured PH, ORP, H2, and Temperature simultaneously with high precision. Omni-directional measurement of ... Read More

Yieryi High accuracy aquarium digital pH meter/ORP meter with Temperature Want to know whether the pH / Temperature / ORP of water you drink is up to the standard? If so, this pen-type 3-in-1 pH/ORP/TEMP meter ... Read More

YIERYI ditigal 2 in 1 PH / TDS Tester LCD test pen Water Quality Monitor Multi-parameter This is a mini-tester with a pH and TDS combo that helps you monitor and measure pH and total dissolved solids (TDS) ... Read More

Manufacturer price waterproof ATC pH/H2 / ORP /Temperature 4 in1 Meter Feature: [4-in-1 water quality test] YIERYI PH meter is designed with 4-in-1 function, which can be measured PH, ORP, H2, and Temperature ... Read More

Yieryi Pocket LCD PH Meter PH Pen PH Acidity Meter 0.0-14.0pH for Pool Water Laboratory Features Measuring range 0.00-14 .00 PH Accuracy +/- 0.01PH Resolution 0.01PH Operating temperature 0 oC~ 50 oC Battery ... Read More

Yieryi LCD Digital TDS 3 Meter Filter Pen Temp PPM Tester 0-9999 PPM Set Filter Purity Fetures: Voltage:CR2032 Battery, DC3V Measure range:TDS 0 ~ 9990 ppm Temperature ( C&F ):0 ~ 99C, 32 ~ 212 F Accuracy:TDS: ... Read More