I mean it reads a number but it can't be accurate. Tried to calibrate. Just jump to 4.0 no matter what I do. Out of reach. I compared it with a real test set. I knew digital was too good to be true. The seller offers a $30 gift certificate when I contact them. I didn't spend that much on the counter. It does not make sense.
๐ PH 1-14 Extensive Storage Testing Monitoring: Optimize Your Storage with Precise pH Level Monitoring
6 Review
๐ฏ Honey Refractometer with Automatic Temperature Compensation (ATC) - Tiaoyeer Moisture, Brix, and Baume Refractometer for Honey, 58-90% Brix Scale Range - Honey Moisture Tester
31 Review
TDS water quality tester - TDS water hardness meter (portable digital salt meter for water analysis)
9 Review
Efficiently Test Your Antifreeze And Battery Acid With A 3-In-1 Refractometer
18 Review
๐ Enhanced Precision with Backlit Professional Manometer for Differential Ventilation
6 Review
๐ฌ๏ธ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
8 Review
๐ง UEi Test Instruments DAFM3B Digital Multimeter
6 Review
๐ฅ Advanced Testo Wireless Hot Wire Anemometer Technology
4 Review