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 ... Leer más
5-in-1 Digital Water Quality Tester Professional salinity, TDS, EC, specific gravity of seawater, and water quality testing instrument Product Overview The YIERYI PH-066 is a versatile 5-in-1 digital water ... Leer más
5-in-1 Digital Meter PH Salinity Temperature TDS EC Tester With Backlight For Water Quality Monitoring Product Attributes Attribute Value Shape Pen Type Power Supply 2 x 1.5V AAA Batteries Calibration 5 point ... Leer más
Yieryi New Digital PH meter, TDS/EC Tester,ORP tester Salinity Meter Water Quality Monitor Tester for pools, spa C-600 is the latest multi-functional water quality tester developed in 2020, with 7 functions and ... Leer más
Product Features 【pH Meter with Bluetooth】 Powered by the YINMIK mobile App, professional measurement of pH, TDS (ppm), and Temp. suitable for household drinking water, hydroponics, lab, aquarium. 【Cloud Based ... Leer más
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) ... Leer más
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 ~ ... Leer más
Yieryi Digital ph meter TDS/EC/PH/Salinity/Tem Meter Digital Water Quality Monitor for Pools, Drinking Water, Aquariums EZ-9909 is a new multi-functional water quality test instrument, which can measure pH, TDS... Leer más
YIERYI LCD Digital TDS Meter Aquarium Pool Hydroponic Water Gauge range 0-9999ppm Features: 100% Brand new and high quality Test Items: Heavy metals, total hardness, detecting water temperature Applicable ... Leer más