... Store up to 99 Data Sets SELON902 pH meter, DO meter used for measuring the pH, ORP, Dissolved Oxygen in liquid.Multi ... barometric pressure after manual input coefficients.Message Indicator:SELON902 meter has message indicators, it can shows many ... : 1.7kgMeter Included: pH Electrode (Made in UK), DO Probe (Made in US), Temperature Probe, Power Adapters SELON902 pH Meter / DO Meter (CE Certificate)