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