SevenGo portable ph, conductivity, ION, DO meters
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SG23 – SevenGo Duo™ pH/Conductivity meter
Short description Routine dual-channel meter for pH, mV/redox, conductivity, salinity, TDS and resistance measurements pH-range 0.00 … 14.00 pH-resolution 0.01 pH-relative accuracy ±0.01 mV-range -1999 … 1999 mV-resolution 1 mV-relative accuracy ±1 Temperature range °C pH/mV: -5.0 … 105/LF: -5.0 … 105.0 Temperature resolution °C pH/mV: 0.1/LF: 0.1 Temperature accuracy °C pH/mV: ±0.5/LF: ±0.2 Conductivity range 0.10 µS/cm … 500 mS/cm Cond. resolution 0.01 … 1 Cond. accuracy ± 0.5% maximum value in subrange TDS range 0.1 mg/L … 300 g/L TDS resolution 0.01 … 1 TDS accuracy ±0.5% maximum value in subrange Salinity range 0.00 … 80.00 ppt Resistivity range 0.00 … 100.00 MOhm*cm Calibration Max. 3 points, 4 predefined buffer groups Free disk space 99 data records Display LCD Power supply 4 AA batteries 1.5 V or NiMH accumulator 1.3 V Operating environment 0 … 40°C; 5 … 85% relative humidity (no cond.) SG68 – SevenGo Duo pro™ pH/Ion/Dissolved Oxygen meter
Short description Professional two-channel meter for the parallel determination of pH, ion concentrations, mV/redox or rel. mV and dissolved oxygen pH-range -2.000 … 19.999 pH-resolution 0.1/0.01/0.001 pH-relative accuracy ± 0.002 mV-range -1999 9 … 1999.9 mV-resolution 0.1 mV-relative accuracy ± 0.1 Temperature range °C pH ATC: -5.0 … 105.0; MTC: -30 … 130/DO: 0.0 … 60.0 Temperature resolution °C pH: 0.1/DO: 0.1 Temperature accuracy °C pH: ±0.2/DO: ±0.1 Calibration pH: Max. 5 points, 7 predefined buffer groups; DO: 1 or 2 points DO range 0.0 … 600%, 0.00 … 99.00 mg/L DO resolution 0.1 … 1%, 0.01 mg/L DO accuracy ±0.5% Free disk space 500 data records Display Dot matrix LCD Power supply 4 AA batteries 1.5 V or NiMH accumulator 1.3 V Operating environment 0 … 40°C; 5 … 85% relative humidity (no cond.) -
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