This TDS meter works great. However, if you've never had one, be aware that it should be calibrated every 6 months with some sort of calibration solution. I'm not a fan of science and given the cost of the solution I'll just buy another meter in 6 months.
80 Pieces Water Test Litmus Strips Litmus ph Paper Soil Acidity Meter Liquid pH Tester 1-14
10 Review
Efficiently Test Your Antifreeze And Battery Acid With A 3-In-1 Refractometer
18 Review
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
Portable Handheld Manometer π for Accurate Pressure Differential Measurement
5 Review
π Enhanced Precision with Backlit Professional Manometer for Differential Ventilation
6 Review
π§ UEi Test Instruments DAFM3B Digital Multimeter
6 Review
π₯ Advanced Testo Wireless Hot Wire Anemometer Technology
4 Review