This instrument and built-in microprocessor chips, good looking, feature rich, easy to use, with the following notable features: 1. High accuracy 0.001 2. new designs, large screen displays 3. User-friendly interface, stability indicating identity 4. Three standard, two-point or single-point automatic calibration 5. Automatic temperature compensation, or manual temperature compensation of 6. Wide range of PH and redox potential measurements
