Features:
*1 or 2 points calibration using the air-saturated water or zero oxygen solution.
*Salinity and barometric pressure compensations eliminate the measurement error.
*Automatic temperature compensation ensures accurate readings over the entire range.
*Auto-Read function senses and locks the measurement endpoint.
*Setup menu allows setting the number of calibration points, concentration unit, temperature unit, etc.
*Reset function automatically resumes all settings back to the factory defaults.
*Calibration due alarm prompts user to calibrate the meter regularly.(only PH-980)
*Set up menu allows setting the number of calibration points,resolution.stability criteria, temperature unit, concentration unit, date and time, etc,(only PH-980)
*Expanded memory stores or recalls up to 500 data sets.(only PH-980)SD
*USB communication interface for data transfer and timed interval readings.(only PH-980)
Accessories:
DO100 dissolved oxygen electrode, electrolyte solution, membrane cap and DC9V power adapter.