This industrial and scientific tool is perfect for measuring ORP levels in any kind of liquid. It's waterproof and durable, so it's perfect for outdoor use .The replaceable resolution feature ensures that it always provides highly accurate results. However the price tag may be a bit steep for small-scale users..
Portable digital multimeter with sound continuity and thermocouple (electric tester) LTX DT-838
7 Review
TDS water quality tester - TDS water hardness meter (portable digital salt meter for water analysis)
9 Review
🍯 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
Accurate And Versatile Digital PH Meters For Food, Brewing, Hydroponics, Pools And More!
7 Review