Kelway® Soil pH and Moisture Meter
A sensitive electrode measures pH values from 3.5 to 8, soil moisture from 0 to 100% . Requires no chemical, distilled water, or outside electric power source. Numerous readings can be easily taken over large area. 6-1/ 2" L. Leather-like case with belt loop, conditioning film, and full instructions included. pH Accuracy: ± 0.2. Moisture accuracy: ± 10% .