by itself, it performs its function, but if you buy it to measure the acidity of store water or tap water, it is useless. in the ranges from 5.5 to 7.5 shows the most similar results, suitable only for measuring very acidic or very alkaline waters.
TDS water quality tester - TDS water hardness meter (portable digital salt meter for water analysis)
9 Review
Accurate And Versatile Digital PH Meters For Food, Brewing, Hydroponics, Pools And More!
7 Review
Portable digital multimeter with sound continuity and thermocouple (electric tester) LTX DT-838
7 Review
📊 PH 1-14 Extensive Storage Testing Monitoring: Optimize Your Storage with Precise pH Level Monitoring
6 Review
🔍 Enhanced Precision with Backlit Professional Manometer for Differential Ventilation
6 Review
🌬️ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
8 Review
🌡️ Continuous Temperature Monitoring with Relative Humidity Integration
4 Review
Digital multimeter RGK DM-12
6 Review