Chapter 9
Customer Services
Thermo Scientific
Orion Versa Star Pro Meter User Manual
121
Orion Versa Star RDO/Dissolved Oxygen Module Specifications
Catalog Number
VSTAR-RD
Dissolved
Oxygen
Polarographic DO
Concentration
% Saturation
Range
0 to 90 mg/L
0 to 600 %
Resolution
0.01, 0.1 mg/L
0.1, 1 %
Relative Accuracy
± 0.2 mg/L
± 2 %
RDO Optical DO
Concentration
% Saturation
Range
0 to 50 mg/L
0 to 500 %
Resolution
0.01, 0.1 mg/L
0.1, 1 %
Relative Accuracy
± 0.1 mg /L up to 8 mg/L,
± 0.2 mg /L from 8 to 20
mg/L, ± 10 % of reading
from 20 to 50 mg/L
± 2 %
Barometric Pressure
Correction
450 to 850 mmHg, automatic using built-in barometer or
manual entry
Salinity Factor
Correction
0 to 45 ppt, automatic using conductivity module and probe
or manual entry
Calibration Types
Water saturated air, air saturated water, manual (Winkler),
zero point
Compatible Sensors
Polarographic, RDO optical
Barometric
Pressure
Range
450.0 to 850.0 mmHg
Resolution
0.1 mmHg
Relative Accuracy
± 6 mmHg
Temperature
Range
0 to 50 °C, 32 to 122 °F
Resolution
0.1 °C, 0.1 °F
Relative Accuracy
± 0.1 °C, ± 0.1 °F
Offset Calibration
1 point
Source Option
Automatic with built-in temperature sensor
Input
9 pin MiniDIN
Dissolved oxygen probe with built-in temperature sensor
Note: Specifications are subject to change without notice.
