Category: Benchtop Multiparameter Water Quality Meter
Make: Thermo Scientific
Model: Orion Versa Star Pro
Measurement Parameters: pH, Ion Concentration (ISE), Conductivity, Dissolved Oxygen (DO), Temperature
Channels / Inputs: Up to 4 channels; inputs include BNC (pH/ORP/ISE), pin-tip (reference electrode), 8-pin MiniDIN (ATC temperature probe), and two stirrer inputs
Display Type: Large color graphic LCD with user-customizable options
Power Requirements: Universal 50-60 Hz, 100-240 VAC power adapter
Dimensions (L x W x H): 11 x 9.5 x 3.9 inches (28 x 24 x 10 cm); modules add ≤ 0.8 inches (2 cm) to length and height
Weight: 2.5 lbs (1.2 kg); each module adds 0.5 lbs (0.2 kg)
Measurement Range: pH: -2.000 to 20.000; Conductivity: 0.001 μS to 3000 mS (auto-ranging); Ion Concentration (ISE): 0.0001 to 19990 with selectable units; DO: 0.00 to 90.00 mg/L (polarographic), 0.00 to 50.00 mg/L (optical); Temperature: -5.0 to 105.0°C (23.0 to 221.0°F)
Accuracy: pH: ±0.002; Conductivity: 0.5% of reading ±0.01 μS ≤ 3 μS, 0.5% of reading ±1 digit > 3 μS; ISE: ±0.2 mV or ±0.05% of reading; DO (Polarographic): ±0.2 mg/L or ±2% of reading; DO (Optical): ±0.1 mg/L up to 8 mg/L, ±0.2 mg/L from 8 to 20 mg/L, ±10% of reading up to 50 mg/L; Temperature: ±0.1°C
Data Logging Capability: Collects up to 2000 data sets with time/date stamp; non-volatile memory preserves data and settings
Connectivity / Ports: USB (2), RS232