PH TDS EC TEMP Tester Pen Water Quality Tester With Backlit Display Power Supply 3 x 1.5V LR44 (Button Battery) Data Transfer Bluetooth Function hydrogen meter Resolution 0.01 pH Usage For test the quality of ... Leer más
Yieryi Digital TDS Meter Filter Measuring Water Quality Purity Tester Water tds meter Product Feature: Test the quality of various water ensuring you are enjoying the best quality water. Ideal for using in the ... Leer más
YIERYI TDS Meter tester Pocket Aquarium Pool TDS pen Water Monitor Measurement Tools The value of TDS represents the total content of water soluble substances, such as calcium and magnesium ions and some trace ... 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
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
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
Smart Handheld 6-in-1 Dissolved Oxygen/PH/TDS/EC/SALT/TEMP Water Quality Analyzer Operating System iOS 7.0 or later, Android 4.3 or later Tester Automatic Calibration pH Tester Capacity 1500ml (57oz) Probe ... Leer más
5-in-1 Digital Water Quality Tester Professional multiparameter meter measuring pH, EC, TDS, salinity, and temperature with LCD display and automatic calibration Technical Specifications Accuracy 0.05 pH ... Leer más
YiERYi YG-9908 4 In 1 Water Quality Tester PH / TDS / EC / Temperature Multifunctional Testing Pen With High Accuracy Portable Design Product Attributes Attribute Value Power Supply 2 x 1.5V LR44 button cell ... Leer más