yieryi online manufacture

Looking for a high-precision pH meter to keep your water quality in check? Whether you're testing your swimming pool , aquarium , or hydroponics , our digital pH meter with Bluetooth connectivity is your ... Read More

PH Powder Calibration Solution pH4.01, pH6.86 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 no "shelf life". The contents will ... 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

Digital 14 Kinds Grain Moisture Meter Cereal Hygrometer Voice Alarm Smart Metal Sensor Humidity Tester for Corn Rice Wheat Bean Grain Moisture Meter Features: 1. 14 kinds grain moisture meter, integrated human ... Read More

Soil NPK detector New digital Soil Tester Naald Stikstof phosphorus and potassium detector Soil NPK sensors are designed to detect the content of nitrogen, phosphorus and potassium in the soil and determine the ... Read More

Your All-in-One Solution for Accurate Water Quality Testing! Ensure the safety and quality of your water with the YG-9909 Digital 5-in-1 Water Quality Tester. Designed for professionals and everyday users, this ... Read More

Product Description: The pH Salt Tester for Saltwater Pool is the perfect tool for maintaining your pool's water quality. It has a professional design that facilitates the measurement of salt levels and pH ... Read More

Product Description: pH Salt Tester for Saltwater Pool : Maintaining the right pH and salinity levels in a saltwater pool is a key factor in ensuring the performance of a salt chlorinator generator. Our ... Read More

Product Description: Looking for an easy and professional way to monitor the water quality in your saltwater pool? Check out our pH Salt Tester. This multi-function device not only measures the pH and salinity ... Read More

Product Description: The pH Salt Tester is a professional tool that can greatly facilitate you in confirming the pH and salinity level of your saltwater pool. This is particularly useful when you start using a ... Read More