THERMO SCIENTIFIC Orion Star A3255 pH/Cond Portable Meter

Thermo Scientific Orion Star A322 conductivity and A325 pH/conductivity meters features an intuitive user interface with plain language screen prompts. A large, backlit graphic LCD, shows measurement and temperature along with electrode status, time/date, sample ID, user ID, and calibration data. 

GLP-related features include 5000 data points with time/date stamp and electrode verification. Meter utilizes RS-232 or USB for connectivity and includes data analysis software. 

Available as meter only and as complete meter kit configurationsMeter kit includes ROSS pH/ATC electrode, conductivity probe, 10-pack of pH 4, 7,10 buffer, 1413µS standard and rinse solution, protective armor with electrode holder, hard carrying case, and four AA batteries.

Specifications
Meter style    Portable
Dimensions (" W)    4.25
Dimensions (" H)    9.125
Dimensions (" D)    2.375
Range (pH)    2.000 to 20.000
Range (mV)    ± 2000
Range (Conductivity)    0.001µS to 3000 MS
Range (TDS)    0 to 200 ppt
Range (Salinity)    0 to 80 ppt
Range (Resistivity)    2 ohm to 100 mega-ohm
Range (Temperature °C)    5 to 105
Resolution (pH)    0.1/0.01/0.001
Resolution (Temperature)    0.1
Resolution (mV)    0.1/1
Resolution (Conductivity)    0.001, 0.01, 0.1 µS; 0.01, 0.1 mS
Resolution (TDS)    Up to 4 digits
Resolution (Resistivity)    2 ohms-cm
Accuracy (pH)    ±0.002 pH
Accuracy (Temperature)    ±0.1°C
Accuracy (mV)    ±0.2 mV or 0.05%, whichever is greater
Accuracy (Resistivity)    ±0.5% ±1 digit
Temperature compensation    Automatic or manual
Display    LCD, graphic
Interface    USB or RS232
Calibration    Up to 5 points
Connections    BNC, Temp 8-pin mini-DIN
Waterproof    Yes
Buffer recognition    USA, NIST, DIN
Power    Four AA batteries (included), optional universal AC adapter
Battery life    800 hours
Datalogging (points)    5000
CE Compliance    Yes
Brand    Thermo Scientific Orion
Product Type    Multiparameter Meter
Model    STAR A325