tds digital water tester online manufacture

Yieryi EC Meter Digital Water PH Meter Filter Automatic calibration Tester for Measuring Features: Easy to carry and simple to operate. Test temperature in degrees / Fahrenheit(switchable unit). Use to measure ... Read More

Yieryi EC Meter Digital Water PH Meter Filter Automatic calibration Tester for Measuring Features: Test temperature in degrees / Fahrenheit(switchable unit). Use to measure the pH & EC & TEMP of solution. ... Read More

YIERYI Digital ORP Tester electrical 0-1999mg/LmV ORP Meter ORP-986 Water Hydroponics Specifications: Range 0~1999mg/LmV Resolution 1mV Accuracy 5 mV Batteries 4 x 1.5V alkaline Environment 0 to 50C,RH 95% max ... Read More

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

Yieryi Function 3 in 1 TDS EC meter conductivity meter tester pen water measurement tool Please pull off the protective cover of the electrode before use; Press the key and put the electrode into the solution ... Read More

YIERYI lcd 169E Type Pen ORP / Redox Tester waterproof potential ORP meter With box Features Measuring range 0~1999mV Accuracy 5mV Resolution 1 mV Display 4-digital LCD Power Supply 41.5V(AG13) Dimensions ... Read More

Yieryi pen-Type ORP meter ORP2069 relectrical digital PH Meter Water Treatment Monitor Specifications: Range -1999~1999mV Resolution 1mV Accuracy 5mV LCD Display 4 Digits Battery 4 x 1.5V (AG-13) (Not Included) ... Read More

YIERYI 169E ORP/Redox Tester waterproof ORP meter,ORP tester for pool water quality tester Features: Technical Specification: Measuring range:0~1999mV Accuracy: 5mV Resolution:1 mV Display:4-digital LCD Power ... Read More

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

3 in 1 Temp TDS EC Meter Digital Water Quality Purity Tester Portable Temperature Test Pen Detector for Drinking Water Aquarium Features: 1. Multifunctional 3-in-1 water quality tester: TDS EC Temp 2. 4 modes ... Read More