When measuring soil pH and humidity, first probe the probe as far as possible into the soil, the probe above the part of the left about 1 cm. Toggle the keys on the pen to MOIST, MOIST is the water key, the corresponding table is MOIST, DRY is dry, WET is wet, the value of 1-3 (red part) that need to water, 4-7 (green part) Is appropriate, please adjust the watering time according to the variety of plants, 8-10 (blue part) that is too wet. Toggle the button on the pen to PH, PH is the pH key, the corresponding table is 8-3.5 value, ALKALINE is alkali, ACDIC is acid, the value of 7 is basically neutral, the smaller the smaller the acidity, Of the species to adjust the soil pH. LIGHT key is the light intensity, measuring range 0-2000 lumens, the greater the value, indicating that the stronger the light, according to the variety of plants to decide whether the need for shade. When using the attention of the electrode can not touch the stone, do not force too much, or easy to hurt the electrode. After the electrode washed clean.
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