Microprocessor based pH/mV/Temperature meter with 16Ã?2 alpha numeric LCD display portable having auto temperature compensation, Date & Time ,auto buffer recognition along with accessories. Data storage facility up to 1000 samples , complete with pH Electrode, Temperature Probe, Electrode Stand , Dust cover and Instruction Manual. Parameter Ph mv Temp. Range 0 to 14 pH -1999 mV to +1999 mV -50.0 Ë?C to 200 Ë?C Resolution 0.01 pH 1 mV 0.1 Ë?C Accuracy ± 0.01 pH ± 1 digit ± 0.1% ±1 digit ± 0.1% of range ±1 digit Calibration Auto as manual, 3 point / 2 point (Programmable) Two point manual Two point manual Temp. Compensation 0 to 100 Ë?C Auto with temp probe / Manual with keys Auto buffer recognition 4.00 pH, 7.00 pH,9.20 pH Slope adjustment 80% to 120% By default 100% Sensors Pt100 probe Data entry By six soft touch keys with audible sound Storage 1000 samples Real time display 24 Hour mode with Date Interface RS-232, Centronics & computer Print format All Data & Date Wise (Programmable) Digital output Serial RS-232 Parallel Centronics (Programmable) Error Indication pH ERROR,ORP ERROR,CAL ERROR & T-ERROR Accessories pH electrode , Instruction Manual , Electrode Stand , Temp Probe