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The Thermo Scientific Orion Star A215 pH/Conductivity Benchtop Meter is the ideal choice for any pharmacology lab. Get the information you need quickly and easily from the large, backlit graphic LCD display. Informative display shows individual pH/mV/RmV or conductivity/TDS/salinity/resistivity results with temperature, or all results at once. Additional helpful information includes electrode status, time, date, sample ID, user ID and calibration. For advanced users, features such as stability and averaging choices provide additional options.
pH-range | -2.000 to 20.000 |
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pH-resolution | Selectable 0.1, 0.01, 0.001 |
pH-relative accuracy | ±0.002 |
Calibration Points | Up to 5 |
Calibration Editing | Yes |
mV/Rel mV/ORP Range | ±2000.0 mV |
mV/Rel mV/ORP Resolution | 0.1 |
mV Relative Accuracy | ±0.2 mV or ±0.05% or reading, whichever is greater |
EH ORP Mode | Yes |
Conductivity Range | 0.001 µS to 3000 mS |
Conductivity Resolution | 0.001 µS minimum; 4 significant fugures minimum |
Conductivity Relative Accuracy | 0.5% reading ±1 digit |
Conductivity Reference Temp. | 5, 10, 15, 20, 25 ° C |
Conductivity Temp. Compensation | Linear (0 to 10.0%/°C), nLn, nLFu, USP/EP |
Conductivity Compatible Cell Constants | 0.001 to 199.9 |
Conductivity Calibration Points | Up to 5 points |
Conductivity Calibration Editing | Yes |
Resistivity Range | 2 ohm to 100 meg-ohm |
Resistivity Resolution | 2 ohms-cm |
Resistivity Relative Accuracy | 0.5% reading ±1 digit |
Salinity Type | Practical salinity or natural sea water |
Salinity Range | 0.01 to 80.0 ppt NaCl equivalent; 0.01 to 42 ppt sea water |
Salinity Resolution | 0.01 |
Salinity Relative Accuracy | ±0.1 |
TDS Range | 0 to 200 ppt |
TDS Resolution | 4 significant digits |
TDS Relative Accuracy | ±0.5% reading ±1 digit |
TDS Factor Range | Linear 0.01 to 10.00 |
Temperature Range | -5 to 105 °C, 23 to 221 °F |
Temperature Resolution | 0.1 |
Temperature Relative Accuracy | ±0.1 |
Temperature Offset Calibration | 1 point |
Number of Datalogs | 2000 with time and date stamp |
Log Function | Manual, ready (includes AUTO-READ™), timed |
pH Electrode Input | BNC, reference pin |
Conductivity/ATC Probe Input | 8-pin mini-DIN |
Electrodes Supplied | 8157BNUMD Orion ROSS Ultra pH/ATC Triode & 013005MD Orion DuraProbe conductivity cell |