I already had one. Cannot find replacement batteries. Bought a new one. Not calibrated. Slacker and still appreciate PH Please. Send me a new one that works. Please.
π― 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
Digital PH Meter Tester - Tiaoyeer Water Quality Tester With ATC, 0.01PH High Accuracy, 0.00-14.00 Measurement Range, 0.01 Resolution For Drinking Water, Aquarium, Swimming Pools, Hydroponic
8 Review
Efficiently Test Your Antifreeze And Battery Acid With A 3-In-1 Refractometer
18 Review
π₯ Advanced Testo Wireless Hot Wire Anemometer Technology
4 Review
π‘οΈ Continuous Temperature Monitoring with Relative Humidity Integration
4 Review
π Dioxide Controller for Digital Gas Monitoring
5 Review
π Enhanced Precision with Backlit Professional Manometer for Differential Ventilation
6 Review