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Thermo Scientific Orion VERSA STAR RDO/DO Module

Part Number: VSTAR-RD

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-$172.00 (18.5%)  


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3 year meter replacement warranty

Accuracy Barometer

6 mmHg

Accuracy Percent Saturation (Polarographic DO)

2 % saturation or 2% of reading whichever is greater

Accuracy Percent Saturation (RDO)

2 % saturation ? 200 % saturation, 10 % saturation > 200 % saturation

Accuracy Polarographic DO

0.2 mg/L or 2% of reading, whichever is greater

Accuracy RDO

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

Accuracy Temperature


Alarm Output

Set point alarm, high/low limit alarm, calibration due alarm

Barometric Pressure Correction

400 to 850 mmHg, automatic using built-in barometer or manual entry

Calibration Modes

Water-saturated air, air-saturated water, manual (Winkler titration), zero point


Orion Versa Star RDO/DO/temperature measurement module

Dimensions LxWxH

12 cm x 3 cm x 9.5 cm (4.7'' x 1.2'' x 3.8'')


Versa Star RDO/DO module and literature


9 pin MiniDIN (RDO optical or polarographic DO sensor with built-in temperature)

IP Rating


Measurement Modes

Dissolved oxygen as % saturation or mg/L with temperature and barometric pressure


10 per channel with password protection


Orion Versa Star RDO Optical/Dissolved Oxygen/Temperature Measurement Module

Range Barometric Pressure

400 to 850 mmHg

Range Percent Saturation (Polarographic DO)

0.0 to 600.0 % saturation

Range Percent Saturation (RDO)

0.0 to 500.0 % saturation

Range Polarographic DO

0.00 to 90.00 mg/L

Range RDO

0.00 to 50.00 mg/L

Range Temperature

0.0 to 50.0 C, 32.0 to 122.0 F

Relative Humidity Range

5 to 85 %, non-condensing

Resolution Barometric Pressure

0.1 mmHg

Resolution Percent Saturation (Polarographic DO)

0.1, 1 % saturation

Resolution Percent Saturation (RDO)

0.1, 1 % saturation

Resolution Polarographic DO

0.01, 0.1 mg/L

Resolution RDO

0.01, 0.1 mg/L

Resolution Temperature

0.1C, 0.1F

Salinity Correction Factor

0.0 to 45.0 ppt, automatic correction using manual entry of sample salinity

Sensor Types

RDO optical dissolved oxygen sensor or polarographic dissolved oxygen sensor


Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting

Temperature Ambient Operating

5 to 45C, 41 to 113F

Temperature Probe Calibration

1 point temperature offset calibration

Temperature Selection

Automatic with ATC temperature probe


3 year module warranty


0.2 kg, 0.5 lbs


The module includes the necessary probe connections.

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All information current as of Thursday, October 19, 2017