ZD INSTRUMENT ZD-3000 土壤重金属快速测试仪（5合1） (As; Hg, Cd; Pb, Cr)

Measuring range：

As：0 -199.9 mg/Kg (mg/l)   Resolution：  0.1 mg/Kg (mg/l)

Hg、Cd:  0 -19.99 mg/Kg (mg/l)   Resolution：  0.01 mg/Kg (mg/l)

Pb、Cr:   0 -1999 mg/Kg (mg/l)    Resolution：  1 mg/Kg (mg/l)

Accuracy： ±2%  F.S. 

Operating Temperature:  5-45 ° C（41-113°F）/ ATC

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

Features： Automatic switch-off function: after about 8 minutes without pushing buttons. the meter will be switched off automatically .

Display： LCD with illumination.

Weight：100g     

Power supply: DC 9V Battery (rechargeable )

Size： Ø50.5 x 250mm

Probe section：140mm