ZD-18 Digital Soil pH Tester
（Do not use it for measuring dry hard soil and liquid）
The tester features with innovative nanotechnology metal material sensor, for fastand easy test of pH value of soil, fruit, meat, cheese and other semi-solid media.
Specification Range: pH: 3.0-14.0 pH
Accuracy: ± 0.2 pH(3.0-12.0 pH )
Operating Temp: 5-45 ℃
Calibration:1 point（Factory calibrated -No more calibration）
Power supply:DC 9V ( L1022 battery )
Dimension： Ø50.5 x 250 mm
Probe length:140 mm
Features: Automatic detection of data and lock to keep,automatic switch to OFF in 6-8 minutes(or manual shutdown).