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7 in 1 Temp ORP EC TDS Salinity S.G PH Meter Online Blue Tooth Water Quality Tester APP Control for Drinking Laboratory Aquarium Feature: pH Meter with Bluetooth Powered by the YINMIK mobile App, professional ... Read More

YIERYI LCD Digital TDS-966 Meter Filter Measuring Water Quality Purity Tester tds meter TDS is a portable device for measuring the amount of total dissolved solids (TDS) solution, the measurement range of 0 ~ ... 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

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

yieryi PMS710 Soil Moisture Meter Test River sand Soil Cement Land plater Sensor Tester Features: 1.1. It is portable, compact, easy to use and the moisture measurement readings are instant. 1.2. Digital ... Read More

Yieryi MS310 Inductive Moisture Analyzer Wood Moisture Meter For Bamboo Concrete Metope Inductive moisture meter MS300 is used for measuring moisture content of wood ,Timber,paper,Bamboo,Carton ,concrete,metope... 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