KL-03 (I) pen a new generation of high-precision digital pH meter pH meter, using large-scale programmable integrated circuit (Li Long Branch only); sophisticated surface mount technology production; high integration, hardware and software noise cancellation technology, making measurements of high precision, stability and good reproducibility, instrument power consumption, operation is very simple and accurate; Unique design, fine; reflects the long established families superb quality of the instrument.  The main technical indicators measuring range (Range) :0.00-14 .00 PH  Resolution (Resolution): 0.01PH  Accuracy (Accuracy): ± 0.1PH  Automatic temperature compensation (Temperature Compensation): 5 ℃ ~ 50 ℃  Voltage (Battery): 2 × 3V (CR2032 Battery)  Operating Temperature (Operating Temperature): 0 ℃ ~ 50 ℃  Calibration (Adjustment): 1 point calibration volume (Dimension): 150mm × 27mm × 20mm  Weight (Weight): 46g