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Thermo Scientific Orion

VERSA STAR DO Benchtop Meter

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This versatile meter has a large, color graphic LCD display. The informative display shows readings, connections, time, date, sample ID, user ID and calibration information.

  • Select from five modules to customize the four channels as you need it – it's versatile for you to configure how you need it for now or for later
  • Anyone can use this meter with its plain language screen prompts, soft keys that update for easy selection and a multilanguage interface that supports English, Spanish, French, Italian, German and Chinese
  • Non-volatile memory holds up to 2000 data points with time and date stamp
  • Data transfer and updating meter software is easy with two USB and RS232 ports
  • Includes data analysis software for transferring stored results or displaying readings in real-time
  • Mix samples without a stir plate with direct control for two Orion Star stirrer probes (096019, sold separately)
  • Included electrode arm and newly-designed probe holder make it easier to maintain and place probes into samples
  • Works with almost every AC power source with the included universal power adapter
  • IP54-rated housing handles splashes
  • Three year meter replacement warranty

Dissolved Oxygen/RDO/Temperature module:

  • Takes the worry out of DO probe compatibility – the meter accepts and automatically recognizes Orion polarographic and RDO optical/luminescence-based probes
  • Compensates automatically for temperature, salinity with manual input and barometric pressure (automatic or manual)
  • Allows for calibration using water-saturated air, air-saturated water, a Winkler titration or zero point

Certifications: CE, TUV, FCC Class A limits

Temperature Mode
Range-5° to 105° (23° to 221°)
Resolution0.1 (0.1)
Relative Accuracy±0.1
DO Mode
Concentration RangePolarographic: 0 to 90mg/L;
RDO optical: 0 to 50mg/L
Concentration Resolution0.01, 0.1
Relative AccuracyPolarographic: ±0.2mg/L; ±2%

RDO optical: ±0.1mg/L up to 8mg/L, ±0.2mg/L up to 20mg/L, 10% of reading beyond; ±2%
% Saturation RangePolarographic: 0 to 600;
RDO optical: 0 to 500
% Saturation Resolution0.1, 1
Salinity Factor0 to 45 ppt, manual;
automatic if used with conductivity module
(sold separately)
CalibrationWater-saturated air, air-saturated water,
manual (Winkler) and zero point
Inputs9-pin mini-DIN, two stirrer ports
Sensor TypesPolarographic or RDO
(optical/luminesce- based) DO
Data Management2000 points with date/time stamp
OutputRS-232, USB
DisplayColor, graphic LCD; user-customizable display
Power SupplyUniversal AC line voltage
Environmental Operating Conditions
Relative Humidity5 to 85% noncondensing
Manufacturer Warranty3-year meter replacement

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Thomas No.
Mfr. No.
VERSA STAR BT Meter with Electrode Stand; VSTAR-RD RDO/DO Module
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Thomas No.
Mfr. No.
VERSA STAR BT Meter with Electrode Stand; VSTAR-RD RDO/DO Module; 083005MD Polarographic DO Probe with 1.5 Meter Cable and Calibration Sleeve; 080513 Probe Maintenance Kit; 970802 BOD Funnel and Stirrer; 080360 BOD Adapter
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