If the soil is too dry before testing, please wet the soil with water first, hard insertion will damage the electrode head 11! 1. When using, pay attention to the probe can not be inserted into the stone, do not exert too much force, otherwise it is easy to hurt the electrode probe, please clean with clean water and wipe dry with a rag after use. 2. Can not be inserted in the soil for a long time to avoid damage to the electrode probe. 3 This product is only suitable for testing soil, for liquid, dry flour, small stones, wood, bark, etc., and the soil density is extremely low. Loose soil, soil with poor electrical conductivity, mixed soil, are not applicable. 4. This product is most suitable for testing nutrient soil, and the detected value will be more accurate. For sandy soil, red soil and other soil with low density or too muddy soil, the meter hands may not move due to the poor electrical conductivity of the soil, so you can change the testing environment to test again. 5 This product can not be soaked in water, can not use corrosive solution to wipe, to avoid vibration, impact, extrusion, resulting in the impact of measurement accuracy, or damage. 6 This product is used as a reference for healthy life and cannot be used as a measuring instrument.
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