selon902

... * Using the British Electrode * Store up to 99 Data Sets SELON902 pH meter, DO meter used for measuring the pH, ORP ... salinity and barometric pressure after manual input coefficients.Message Indicator:SELON902 meter has message indicators, it can shows many helpful messages ... UK), DO Probe (Made in US), Temperature Probe, Power Adapters SELON902 pH Meter / DO Meter (CE Certificate)