ZD INSTRUMENT ZD-1804 Digital Soil Available N-P-K Nutrient Tester (0 - 1999 mg/Kg (mg/l))

Range: 0 - 1999 mg/Kg (mg/l).

Resolution: 1 mg/Kg (mg/l).

Accuracy: ±2% F.S.

Operating Temperature: 5 - 45°C (41 - 1113°F) / ATC.

Calibration: One-point ( the factory is calibrated and the user does not need to recalibrate ).

Display: LCD with illumination.

Power supply: DC 9V Battery (rechargeable ) .

Size: Ø50.5 X 140 mm(probe section).

Weight: 80g.

Features: Automatic switch-off function: after about 5 minutes without pushing buttons, the meter will be switched off automatically .

Used: It USES customized special metal materials as sensors to realize rapid determination of soil available N、P、K nutrients.

Note: Package products include: ZD-1801N, ZD-1802P, ZD-1803K (3 in 1)

The power supply of the package products is DC9V rechargeable battery version, including charger, aluminum alloy suitcase or neutral white carton.