4in Soil Survey Instrument

Please install battery before use, remove probe cover. 1.Light measurement A.Press the ON button to start the unit. B.Point the light sensor window toward max light source. C.The current light intensity will be showed on the LCD. 2.PH range measurement A.Switch the [PH/℃] button on the back of the unit to PH position. B.Push the probe down as vertically as possible into the soil which needed to be tested. Do not push the probe too near the stem to avoid damage to the plant’s root. C.Press ON button to start the unit. D.PH value of the tested soil will be displayed on LCD. E.Take several readings to confirm your findings. 3.Moisture measurement A.Switch the (PH/℃) button on the back to ℃. B.Push the probe down as vertically as possible into the soil. Do not push the probe too near the stem to avoid damage to the plant’s root. C.Press ON button to start the unit. D.Moisture of the tested soil will be displayed on LCD. E.Take several readings to confirm your findings. 4.Temperature measurement A.While testing moisture，the temperature of the soil will be displayed on LCD at the same time B.Press (℃/℉OFF) button to set the humidity display as ℃ or ℉.

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