Analysis and measurements 374 pH-metry Orion STAR A121 delivered with: • ROSS Triode pH electrode • Built-in temperature probe • Buffer solution in 60 ml bottle Orion STAR A320 delivered with: • ROSS Ultra pH electrode • Built-in temperature probe • Buffer solution in sachet oRION STAR A120 and A320 series portable pH/ion meters Orion STAR A121 Orion STAR A320 pH Measuring range -2.00 to 16.00 -2.000 to 20.000 Resolution 0.1 / 0.01 0.1 / 0.01 / 0.001 Accuracy ± 0.01 pH ± 0.002 pH mV Measuring range -1600.0 to +1600.0 -2000.0 to +2000.0 Resolution 0.1 Accuracy ± 0.2 mV or ± 0.05% of the measured value Temperature Measuring range -5.0 to +105.0 °C Resolution 0.1 Accuracy ± 0.1 °C Ionometry Measuring range - 0.0001 to 19900 ISE (ppm, M, %, ppb) Accuracy - ± 0.2 mV or ± 0.05% of the measured value Calibration pH Up to 3 points with automatic recognition of NIST and DIN buffers Up to 5 points with automatic recognition of NIST or DIN buffers Ionometer - Up to 5 points Memory 50 non-time stamped values 5000 time-stamped values IP 67 Dimensions (cm) 24 x 10 x 6.5 Weight (kg) 0.5 Warranty 3 years Cat. No. 228758 228759 € N/A - N/A - Accessories CatNo. Description € 228760 ROSS pH 9107 BNMD ROSS Ultra pH/ATC Electrode filled with gel electolyte N/A - 228761 ROSS pH 8107 UWMMD Ultra pH Electrode electrolyte gel body N/A - PH range -2.000 to 16.000 Resolution 0.1 or 0.01 or 0.001 Accuracy ± 0.002 Range mV ± 2000.0 mV Accuracy ± 0.2 mV or ± 0.05% of the measured value Conductivity range 0.001 µS/cm to 3000 mS/cm Accuracy 0.5 % of reading +0.01 µS/cm (0 to 3µS/cm) 0.5% of the read value (remaining range) Reference temperature 5; 10; 15; 20; 25 °C Temperature range -5.0 to 105.0 °C Accuracy ± 0.1 °C Port RS232 or USB Dimensions 240 x 180 x 100 mm Weight 0.9 kg Cat.No. without electrode 262954 € N/A - Cat. No. with pH electrode and conductivity probe 262955 € N/A - ORION benchtop pH / conductivity meter hDisplays pH, mV, conductivity, TDS, salinity and resistivity hDisplay of pH and conductivity on the same screen hMemory: 2000 sets of points Electrodes Cat.No. Description € 262880 ROSS triode electrode with built-in temperature sensor N/A - 262934 Duraprobe conductivity cell N/A -
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