Tests soil in 3 minutes, no battery or chemicals, 6 +in. overall length, 8oz. overall weight. Complete with carring case. PH range from 3.5 to 8. Used for testing soil not liquids.
Manufacturer promises these are accurate to within +/- .2 of a PH number in acid soil. These are not made for saline or alkaline soil with a pH over 7.5+ ph
Manufacturer supplies a 6 month warranty against defect in material or workmanship.
Customer Reviews for Kelway PH and Moisture Tester
QUESTION: How does the meter work? ANSWER: The meter utilizes a tiny flow of current through the two metal plates located on each side of the units housing. QUESTION: Which side of the cleansing sheet do I use? ANSWER: Use the dull side. QUESTION: Where can I get the green cleansing sheets to clean the Kelway Acidity Tester? ANSWER: Kelway deals direct in supplying these sheets. Call 201-847-8353, or write Kel Instruments, PO Box 54, Wyckoff, NJ 07481. They will not sell meters direct but do offer the cleansing sheets. QUESTION: Can the meter be calibrated? ANSWER: When not in use the meter should read neutral at pH of 7. There is an adjustment screw in order to calibrate periodically if needed. QUESTION: Why test for soil acidity? ANSWER: Nutrients cannot dissolve in very acid or alkaline soil. QUESTION: Why choose a direct reading soil tester? ANSWER: Litmus paper is not accurate enough and is difficult to use and interpret. Laboratory glass electrode ph meters require buffer solutions, temperature control, power sources,clean equipment and are very fragile. QUESTION: Where is this product made? ANSWER: It is made in Japan
Kelway pocket size soil tester needs no chemicals - simply insert in soil for instant reading! Push button switch for measuring pH ranges from 3.5 to 8. Can be calibrated to maintain accuracy. Also measures soil moisture. Accuracy +/- .2 pH in acidic soils. Not designed for alkaline soils of 7.5+ pH or greater. Case included, 6 1/2in. long.