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Thermo Scientific™ Orion Star™ A223 Dissolved Oxygen Portable Meter

Reliably measure dissolved oxygen (optical / polarographic) and temperature with the Thermo Scientific™ Orion™ Star A223 RDO / DO Portable Meter for advanced field analysis

714.00€ - 1518.00€


Adattatore CA Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003)
Precisione (barometro) ±6mmHg
Precisione (Temperatura) ±0.1°C
Uscita allarme Calibration due alarm (fixed 12 hour)
Autonomia della batteria 800 hours
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Thermo Scientific™
Orion Star A223 RDO/DO portable meter Star A223 RDO/DO meter, 4 AA batteries, literature CD, printed quick start guide, computer interface cable and meter test certificate 714.00€
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Thermo Scientific™
Orion Star A223 RDO/DO portable meter kit with RDO optical DO sensor, meter armor and field case 1518.00€
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Don’t leave your measurements to chance when analyzing samples outside the lab. Orion Star A223 RDO/DO portable meters are designed to offer the reliability you need in a user-friendly package for your dedicated dissolved oxygen testing needs. This waterproof portable meter displays critical data with your measurement including temperature, date and time, read type, measurement stability, active calibration info and power source status.
  • Measure dissolved oxygen in percent saturation or mg/L with temperature using Orion RDO optical DO probes or Orion polarographic DO probes
  • Calibrate dissolved oxygen using water-saturated air, air-saturated water, custom value (Winkler titration) and zero point options
  • Automatically compensate dissolved oxygen readings using ATC temperature, manual salinity input and built-in barometer for barometric pressure readings
  • Informative, easy-to-read backlit graphic display with clear onscreen instructions simplifies operation
  • Capture your critical readings with measurement stability indicator and selectable read modes – Auto-Read holds a stable reading and Continuous shows changing readings with hold option
  • Data log collects and date/time stamps up to 1000 measurement sets
  • Non-volatile meter memory ensures your data and settings are protected, even with loss of power
  • Orion Star Com software facilitates data transfer to a computer via USB or RS232 connections
  • Flexible power options with AA batteries or optional universal power adapter
  • IP67-rated housing is waterproof for rugged field operation
  • Meter kits include hard-sided field case and protective meter armor with electrode holders, adjustable wrist/belt strap and built-in meter stand
  • Meters offer CE, TUV 3-in-1 and FCC Class A certifications and 3-year replacement warranty

Disclaimer to internal research use restriction: Any restrictions on the purchaser to utilize the product(s) for internal research purposes only does not apply to the product(s) on the web pages associated with this statement.



Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003)
800 hours
Water-saturated air, air-saturated water, manual (Winkler titration), zero point
Graphic LCD with Backlight
Automatic data logging with Auto-Read measure mode; manual data logging with Continuous measure mode
0.00 to 90.00mg/L
RDO optical dissolved oxygen sensor or polarographic dissolved oxygen sensor
Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
10 per channel with password protection
±2 % saturation ≤ 200 % saturation, ±10 % saturation > 200 % saturation
0.1, 1 % saturation
400 to 850mmHg
5 to 85 %, non-condensing
0.01, 0.1mg/L
0.0 to 45.0 ppt, automatic correction using manual entry of sample salinity
1 point temperature offset calibration
3 Year Meter Warranty
Calibration due alarm (fixed 12 hour)
Four AA (included)
CE, TUV 3-1, FCC Class A
1000 with date and time stamp
24 cm x 10 cm x 6.5 cm (9.5 in. x 3.9 in. x 2.6 in.)
English, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update
USB, RS232
0.00 to 50.00mg/L
9 pin MiniDIN (RDO optical or polarographic DO sensor with built-in temperature)
Non-volatile memory preserves data log, calibration log and meter settings
Orion Star A223 RDO Optical/Dissolved Oxygen/Temperature Portable Meter
0.1, 1 % saturation
4 AA batteries (included) or universal AC adapter (sold separately)
0.01, 0.1mg/L
0.1°C (0.1°F)
5°C to 45°C (ambient)
Automatic with ATC temperature probe
0.5 kg