Thermo Scientific™ Orion Star™ A323 Dissolved Oxygen Portable Meter

Accurately monitor dissolved oxygen (optical/polarographic) and temperature with this RDO/DO portable meter for challenging field testing.

Catalog Number	Mfr. No.	Description	Includes
13-645-557	Thermo Scientific™ STARA3230	Orion Star A323 RDO/DO portable meter	Star A323 RDO/DO meter, 4 AA batteries, literature CD, printed quick start guide, computer interface cable and meter test certificate
13-645-559	Thermo Scientific™ STARA3235	Orion Star A323 RDO/DO portable meter kit with RDO optical DO sensor, meter armor and field case	RDO optical DO sensor, meter armor and field case

Description

Get high accuracy and premium performance everywhere you need it with the Thermo Scientific™ Orion Star™ A323 Dissolved Oxygen and RDO Portable Meter. This instrument is designed for a wide range of dissolved oxygen and temperature testing and field applications. Evaluate samples in the most demanding locations using this waterproof meter with IP67-rated housing. Use an RDO optical or polarographic DO probe and calibrate using water-saturated air, air-saturated water, custom value (Winkler) or zero point. Log up to 5000 data point sets with time/date stamp and easily transfer logs to a printer or computer.

Take your measurements at the source with our premium line of portable meters. The Thermo Scientific Orion Star A323 RDO/DO portable meter offers an information-rich screen and user-friendly operation. This rugged, waterproof portable meter is ready to tackle the elements with you. Orion Star A323 RDO/DO portable meters are designed to be easy-to-use, dependable field meters that offer advanced features and functions including a 5000 point date log with sample ID and user ID options, calibration and high/low limit alarms and password-protected measurement methods.

• 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, Continuous shows changing readings with hold option and Timed logs data at specific intervals
• Data log collects and date/time stamps up to 5000 measurement sets with optional sample ID and user ID
• Calibration log stores 10 most recent calibrations
• 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.

Specifications

• Barometric Pressure Correction: 400 to 850mmHg, automatic using built-in barometer or manual entry
• Measurement Modes: Dissolved Oxygen (% Saturation), Dissolved Oxygen (mg/L with Temperature and Barometric Pressure)
• Range (Polarographic DO): 0.00 to 90.00 mg/L
• Resolution (Polarographic DO): 0.01, 0.1mg/L
• Pressure Range: 400 to 850mmHg
• Temperature (Metric) Range: 0.0°C to 50.0°C
• Accuracy (Temperature): ±0.1°C
• Temperature Probe Calibration: 1 point temperature offset calibration
• Backlight Option: Yes, selectable
• Data Points: 5000 with date and time stamp
• Data Management Details: Transfer single, range or all data points to printer or computer
• Inputs: 9 pin MiniDIN (RDO optical or polarographic DO sensor with built-in temperature)
• IP Rating: IP-67
• 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.)
• Weight (English): 1.2 lb.
• Warranty: 3 Year Meter Warranty
• Keypad: Comprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
• Accuracy (RDO): ±0.1mg/L up to 8mg/L, ±0.2mg/L from 8 to 20mg/L, ±10% of reading up to 50mg/L
• Methods: 10 per channel with password protection
• Percent Saturation Relative Accuracy (RDO): ±2 % saturation ≤ 200 % saturation, ±10 % saturation > 200 % saturation
• Percent Saturation Range (RDO): 0.0 to 500.0 % saturation
• Percent Saturation Resolution (RDO): 0.1, 1 % saturation
• Pressure Resolution: 1mmHg
• Resolution (RDO): 0.01, 0.1mg/L
• Stability: Selectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
• Temperature (Metric) Operating: 5°C to 45°C (ambient)
• Battery Type: Four AA (included)

• Outputs: USB, RS232
• Sensor Types: RDO optical dissolved oxygen sensor or polarographic dissolved oxygen sensor
• Percent Saturation Range (Polarographic DO): 0.0 to 600.0 % saturation
• Accuracy (Polarographic DO): ±0.2mg/L or ±2% of reading, whichever is greater
• Calibration Modes: Water-saturated air, air-saturated water, manual (Winkler titration), zero point
• Resolution (Temperature): 0.1°C (0.1°F)
• Temperature Selection: Automatic with ATC temperature probe
• Display Type: Graphic LCD with Backlight
• Memory: Non-volatile memory preserves data log, calibration log and meter settings
• Log Function Type: Automatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m
• Alarm Output: High/low limit alarm, calibration due alarm
• Certifications/Compliance: CE, TUV 3-1, FCC Class A
• AC Adapter: Universal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003)
• Weight (Metric): 0.5 kg
• Relative Humidity Range: 5 to 85 %, non-condensing
• Percent Saturation Range Polarographic DO: 0.0 to 600.0 % saturation
• Languages: English, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update
• Range (RDO): 0.00 to 50.00 mg/L
• Model: Orion Star A323 RDO Optical/Dissolved Oxygen/Temperature Portable Meter
• 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 Supply: 4 AA batteries (included) or universal AC adapter (sold separately)
• Channels: 1
• Salinity Factor: 0.0 to 45.0 ppt, automatic correction using manual entry of sample salinity
• Temperature (English) Operating: 41°F to 113°F (ambient)
• Battery Life: 800 hours
• Accuracy (Barometer): ±6mmHg