Material:plasticProduct size:2*1.5*11.2 inchesProbe length:8 inches(don't stick the probe into the water directly,lest the damage to the electrode)Product weight:3.17 ouncesUsage method:When measuring soil pH and humidity,put the probe deep into the soil as far as possible.(more than 5.9 in)Soil moisture testMove the button on the pen to "MOIST","MOIST" is moisture key."DRY" is dry,"WET" is wet,value 1-3 (red part) shows that your plant needs to be watered.Value 4-7 (green part) is fit.Value 8-10 (blue part) shows that it's too wet.Soil pH testMove the button on the pen to "pH",pH is acidity and alkalinity key.The number 7 is basically neutral,the value is lower,the acidity is higher.Light value test"LIGHT" is illuminance,test range 0-2000 lumens,the value is higher,the illuminance is stronger.Matters needing attention:1.Don't touch the stone or hard rock soil,if the soil is too hard or dry,easy to damage the probes.2.Only design for testing soil.3.Although it's waterproof ph meter,after using,need to clean and wipe the probes.4.Measurement of moisture and ph must be viewed while the unit is in the soil,and the tester must kept in the soil for 10 minutes or more.
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