Oxygen measuring device

Features:

1. 1 or 2 points calibration using the air-saturated water or zero oxygen solution.

2. Salinity and barometric pressure compensations eliminate the measurement error.

3. Automatic temperature compensation ensures accurate readings over the entire range.

4. Auto-Read function senses and locks the measurement endpoint.

5. Setup menu allows setting the number of calibration points, concentration unit, temperature unit, etc.

6. Reset function automatically resumes all settings back to the factory defaults.

7. Calibration due alarm prompts user to calibrate the meter regularly.(only PH-980)

8. Set up menu allows setting the number of calibration points,resolution.stability criteria, temperature unit, concentration unit, date and time, etc,(only PH-980)

9. Expanded memory stores or recalls up to 500 data sets.(only PH-980)SD

10. USB communication interface for data transfer and timed interval readings.(only PH-980)