Features Soil PH value plays a very important role in the growth process has grain crops most crops in high pH soils is very difficult to survive and therefore suitable PH value of planting the best crops vital The following are the steps 1 with two thirds into the soil when the soil compaction not too dry 2 when the first use of a few first inserted in the soil remove the oxide layer on the probe 3 press the button next to the white display Specification Measuring range PH acidity 3 8Humidity 1 8 10 80 Resolution 0 2PHAccuracy 0 2PH applies to arable land and classroom experiments Working temperature 5 50 C Fahrenheit 41 122 F Calibration Gently wipe to remove oxides on the metal electrode Package included 1 x Soil PHMoisture Meter Details pictures Soil PH value plays a very important role in the growth process has grain crops most crops in high pH soils is very difficult to survive and therefore suitable PH value of planting the best crops vital 1 with two thirds into the soil when the soil compaction not too dry 2 when the first use of a few first inserted in the soil remove the oxide layer on the probe 3 press the button next to the white display is water