tds checking meter online manufacture

YIERYI TDS Meter tester Pocket Aquarium Pool TDS pen Water Monitor Measurement Tools Features: Battery life is long. with 2 1.5V button batteries, more than 1 years. 6 minutes do not operate, automatic shutdown ... Read More

Yieryi Function 3 in 1 TDS Tester EC meter conductivity meter water measurement tool Fetures: Saves measurements for convenient reading and recording New Arrival Auto-off function: turns off meter after 5 ... 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

YIERYI PH-9851 LCD 2 in 1 PH / TDS Tester test pen lcd tester tds metr Water Quality tool Features: Use to measure the PH & TDS of solution. Easy calibration of pH and TDS with just a mini-screwdriver. Separate ... Read More

YIERYI 2 in 1 TDS Tester Multi-parameter Good Water Quality Monitor pH TDS Meter Features: Use to measure the PH & TDS of solution. Easy calibration of pH and TDS with just a mini-screwdriver. Separate pH and ... Read More

YIERYI TDS Meter Water Measurement Tool TDS / EC Tester 0-4999ppm Temperature Tester Specifications: color:white Electrical conductivity : 0 ~ 9999 S Temperature ( C&F ) :0 ~ 99C, 32 ~ 212 F Accuracy: 2% ... Read More

YIERYI Digital TDS Meter Tester Pen Tap Bottled Water Quality Filter Purity Monitor Brand Product Feature: Test the quality of various water ensuring you are enjoying the best quality water. Ideal for using in ... Read More

Black Color High Precision Water TDS Meter Pen Eur / Usa Plug English Version 2017 new brand English version black color EUR/USA plug High precision TDS Quality water electrolyzer electrolysis pen Description: ... 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

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