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this geological compass includes measurement and calculation functions essential for fieldwork
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8-in-1 Soil Sensor for pH, EC, Moisture, Temp & NPK Testing oil check Lead acid battery must beOptimize your soil management with the 8 in 1 Soil Moisture Sensor & NPK Meter. Designed for precision agriculture, this advanced soil tester monitors moisture, pH, EC, salinity, nitrogen, phosphorus, potassium, temperature, and humidity in real time. Ideal for farmlands, greenhouses, gardens, and lawns, it helps improve crop health, yield, and nutrient balance. Main Features 8 in 1 Soil Monitoring: Measures soil moisture, pH, EC, salinity, nitrogen