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Thermo Scientific™
Orion Star™ A123 Dissolved Oxygen Portable Meter
Take simple dissolved oxygen and temperature measurements with this portable meter with easy operation for basic field testing.
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| Catalog Number | Probe Type |
|---|---|
| STARA1230 | Not included |
| STARA1235 | DO Sensor |
| STARA1236 | DO Sensor, 3m Cable |
Catalog number STARA1230
Price (CNY)
-
Probe Type:
Not included
Take simple, routine dissolved oxygen and temperature measurements with the Thermo Scientific™ Orion Star™ A123 Dissolved Oxygen Portable Meter. This instrument is easy-to-use and budget-friendly, designed for basic dissolved oxygen analysis in the field. Calibrate polarographic DO probes using water-saturated air or custom value using Winkler titration. Quickly navigate setup menus and ensure consistent calibrations using the simple keypad layout and on-screen text prompts. Use the included electrode stand to easily place sensors in samples and simplify storage.
Thermo Scientific Orion Star A123 dissolved oxygen portable meters are a simple, economical solution for your routine outdoor sample analysis. Featuring an emphasized measure key, selectable read modes and measurement stability indicator, our basic Orion Star A123 dissolved oxygen meters are designed to deliver measurements you can trust at an affordable price.
- Measure dissolved oxygen in percent saturation or mg/L with temperature using polarographic DO probes
- Calibrate using water-saturated air or custom value (Winkler titration)
- Automatically compensate DO readings using ATC temperature, manual salinity input and manual barometric pressure
- Simplified, easy-to-read display shows main measurement with temperature, stability indicator and electrode condition icon
- User-friendly operation with basic calibration text prompts
- Easily recall calibration data for procedure checks
- Non-volatile memory preserves 50 point internal data log and meter settings, even with loss of power
- 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
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Specifications
AC AdapterUniversal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003)
Accuracy (Polarographic DO)±0.2mg/L or ±2% of reading, whichever is greater
Accuracy (Temperature)±0.1°C
Barometric Pressure Correction450 to 850mmHg, automatic with manual entry
Battery Life2000 hours
Battery TypeFour AA (included)
Calibration ModesWater-saturated air, manual (Winkler titration)
Certifications/ComplianceCE, TUV 3-1, FCC Class A
Channels1
Data Management DetailsInternal data point memory
Data Points50
DescriptionOrion Star A123 dissolved oxygen portable meter
Dimensions (L x W x H)24 cm x 10 cm x 6.5 cm (9.5 in. x 3.9 in. x 2.6 in.)
Display TypeLCD
IncludesStar A123 DO meter, 4 AA batteries, literature CD, printed quick start guide and meter test certificate
Inputs9 pin MiniDIN (polarographic DO sensor with built-in temperature)
KeypadSimple with highlighted measure key, scroll and shortcut keys
LanguagesEnglish
Log Function TypeAutomatic with Auto-Read Measure Mode, Manual with Continuous Measure Mode
MemoryNon-volatile memory preserves log and settings
ModelOrion Star A123 Dissolved Oxygen/Temperature Portable Meter
OutputsNone
Percent Saturation Range (Polarographic DO)0.0 to 200.0 % saturation
Percent Saturation Resolution (Polarographic DO)0.1, 1 % saturation
Percent Saturation Relative Accuracy (Polarographic DO)±2 % saturation or ±2% of reading whichever is greater
Power Supply4 AA batteries (included) or universal AC adapter (sold separately)
Pressure Range450 to 850mmHg (manual entry)
Probe TypeNot included
Resolution (Polarographic DO)0.01, 0.1mg/L
Resolution (Temperature)0.1°C (0.1°F)
Salinity Factor0 to 45 ppt, automatic correction using manual entry of sample salinity
StabilitySmart Stability and Smart Averaging
Temperature (English) Operating41°F to 113°F (ambient)
Temperature (Metric) Operating5°C to 45°C (ambient)
Temperature Probe Calibration1 point temperature offset calibration
Temperature SelectionAutomatic with ATC temperature probe
TypeDO Meter
Warranty3 Year Meter Warranty
Weight (English)2 lb.
Weight (Metric)0.5 kg
IP RatingIP-67
Measurement ModesDissolved Oxygen (% Saturation), Dissolved Oxygen (mg/L with Temperature)
Percent Saturation Range Polarographic DO0.0 to 200.0 % saturation
Range (Polarographic DO)0.00 to 20.00 mg/L
Relative Humidity Range5 to 85 %, non-condensing
Sensor TypesPolarographic Dissolved Oxygen Sensor
Temperature (Metric) Range0.0°C to 50.0°C
Unit SizeEach