Size:Nitrogen nutrient tester Model: Nitrogen / Phosphorus / Potassium( K ) Function: automatic shutdown in about 8 minutes Measurement range: 0-1999 mg/Kg (ml/l) Weight: 100g Working temperature: 5-45 ℃ (41-113 ℉)/ATC Measurement accuracy: ±2% F.S. Resolution: 1mg/kg (ml/l) Display: LCD with backlight Calibration: The factory has been calibrated and the user does not need to calibrate any more. Probe length: 140mm Power supply: DC 9V (rechargeable Ni-MH battery) Size: 50.5 x 250 mm Instrument precautions: 1. The probe of the instrument is specially made of metal matching material with new nanotechnology. Do not measure it in peracid or alkali soil, so as to avoid the surface of the probe being pickled or oxidized. 2. After the instrument is used for a period of time, if the display screen appears dim or the instrument does not display after pressing the power switch, it indicates that the battery voltage drops and needs to be charged in time. 3. When the instrument is finished, the power supply should be switched off in time to save the battery power. 4. When the instrument is stored, it should be kept clean, dry and dust-free, avoid impact, direct sunlight, high temperature and humidity, and keep away from magnetic objects and other metal materials as far as possible. 5. The instrument is not waterproof, and on-site testing should be cautious against rain, especially forbidding direct insertion into aqueous solution for measurement. All our products will be delivered by DH. It will take about 10 days to reach the designated address.
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