O2 ion meter FPH810

Dissolved oxygen concentration,percent saturation of oxygen. FEATURES 1 or 2 points calibration using the air-saturated water or zero oxygen solution. Salinity and barometric pressure compensations improve the accuracy of measurement. Automatic Temperature Compensation provides accurate reading over the entire range. Auto-Hold feature senses and locks the measurement endpoint. Manual temperature calibration corrects the temperature deviation. Setup menu allows setting the 6 parameters, including the number of calibration points, temperature unit, concentration unit,etc. Reset feature automatically resumes all settings back to factory default options. METER INCLUDES Dissolved oxygen probe Membrane cap Ele