Soeks Nitrate-tester 2

nitrate tester; Nitrate measuring range (mg/kg): 20 – 5000; Measurement speed (sec): 3; Max. error (%): 15; Display: colour; Power source: 2xAAA; Operating time (h): 8; Operating temperature (°C): -20 °C ~ +60; Dimensions (mm): 144x47x17; Weight (g): 66;