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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
Min Operating Temp: -50°C
Blue wire: Ground
12 hPa (1m height)
This allows to know when the door is open
It is a new generation of smart card reader
Soil NPK Sensor (Nitrogen-Phosphorus-Potassium) Fertility & Nutrient Measurements 74HC20 Min Operating Temp: -50°CThe soil nutrient content can be easily measured using NPK Soil Sensor. Measurement of soil content N (nitrogen), P (phosphorus), and K (potassium) is necessary to determine how much additional nutrient content is to be added to soil to increase crop fertility. The soil fertility is detected using NPK sensors. A major component of soil fertilizer is nitrogen, phosphorus, and potassium. The knowledge of the soil nutrient concentration can help us to
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