Soil pH Meter - HI 99121

• The HI 99121 measures pH of soil directly with a special pH electrode
• Special pH Electrode incorporates a temperature sensor and has a tiny amplifier for quick response in soils.
• Even slightly moist soils can be directly tested with the rugged 4-in-1 conic shaped electrode.
• Automatic Calibration - Choose between six memorized buffers to automatically calibrate the instrument.
• For higher degrees of accuracy or in stony ground, use the specially made HI 7051 test solution to dilute a small sample of the test soil.
• Automatic temperature compensation from 0 to 60C