柱塞直径： 6-64mm
面板（96*96）两种安装方式
防护等级为IP65
RP220 Soil PH & Moisture Meter
Range: pH 3 - 8 pH
Moisture: 1 - 8
Soil pH value is a very important factor for the quality of crops. Most Crops cannot survive in too acid or too alkaline soil. Get the right pH reading for your Crop is very important.
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