Specifications
AC AdapterUniversal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003)
Accuracy (Barometer)±6mmHg
Accuracy (Polarographic DO)±0.2mg/L or ±2% of reading, whichever is greater
Accuracy (RDO)±0.1mg/L up to 8mg/L, ±0.2mg/L from 8 to 20mg/L, ±10% of reading up to 50mg/L
Accuracy (mV)±0.2 mV or ±0.05% of reading whichever is greater
Accuracy (pH)±0.002
Alarm OutputHigh/low limit alarm, calibration due alarm
Backlight OptionYes (Selectable)
Barometric Pressure Correction400 to 850mmHg, automatic using built-in barometer or manual entry
Battery Life800 hr.
Battery Type4 AA (included)
CalibrationpH with calibration editing option, relative mV (RmV), ORP, dissolved oxygen and temperature
Calibration ModesWater-saturated air, air-saturated water, manual (Winkler titration), zero point
Calibration Points1 point relative mV (RmV) mode, 1 point ORP mode
Calibration Points (pH)1 to 5
Certifications/ComplianceCE, TUV 3-1, FCC Class A
Data Management DetailsTransfer single, range or all data points to printer or computer
Data Points5000 with Date and Time Stamp
DescriptionOrion Star A326 pH/RDO/DO portable meter
Dimensions (L x W x H)24cm x 10cm x 6.5cm (9.5 in. x 3.9 in. x 2.6 in.)
IncludesStar A326 pH/RDO/DO meter, 4 AA batteries, literature CD, printed quick start guide, computer interface cable and meter test certificate
InputsBNC (pH or ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), 9 pin MiniDIN (RDO optical or polarographic DO sensor with built-in temperature)
Isopotential Point7.000pH
KeypadComprehensive with menu-specific function keys and dual purpose scroll/shortcut keys
LanguagesEnglish, Spanish, French, Italian, German and Chinese; Portuguese and Korean available with software update
Log Function TypeAutomatic data logging with Auto-Read and Timed measure modes; manual data logging with Continuous m
MemoryNon-volatile memory preserves data log, calibration log and meter settings
Methods10 per channel with password protection
ModelOrion Star A326 pH/mV/RmV/ORP/RDO Optical/Dissolved Oxygen/Temperature Portable Meter
OutputsUSB, RS232
Percent Saturation Range (Polarographic DO)0.0 to 600.0 % saturation
Percent Saturation Relative Accuracy (RDO)±2 % saturation ≤ 200 % saturation, ±10 % saturation > 200 % saturation
Percent Saturation Resolution (Polarographic DO)0.1, 1 % saturation
Percent Saturation Range (RDO)0.0 to 500.0 % saturation
Percent Saturation Resolution (RDO)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 Range400 to 850mmHg
Pressure Resolution1mmHg
Product TypePortable Meter
Range (ORP)±2000.0 mV
Range (Polarographic DO)0.00 to 90.00mg/L
Range (RDO)0.00 to 50.00mg/L
Range (Relative mV)±2000.0 mV
Relative Humidity Range5 to 85 %, non-condensing
Resolution (Polarographic DO)0.01, 0.1mg/L
Resolution (RDO)0.01, 0.1mg/L
Resolution (mV)0.1mV
Salinity Factor0.0 to 45.0 ppt, automatic correction using manual entry of sample salinity
StabilitySelectable fast, medium, slow or Smart Stability setting; Selectable off or Automatic Smart averaging setting
Temperature Accuracy±0.1°C
Temperature (English) Operating41°F to 113°F (ambient)
Temperature (Metric) Operating5°C to 45°C (ambient)
Temperature Probe Calibration1 point temperature offset calibration
Temperature Range (English)22.0°F to 221.0° F
Temperature Resolution0.1°C, 0.1°F
Temperature SelectionManual or automatic with ATC temperature probe
Warranty3 Year Meter
Weight (English)1.2 lb.
Weight (Metric)0.5 kg
Channels2
Display TypeLCD Graphic, Backlit
IP RatingIP67
Measurement ModespH, mV, Relative mV, ORP with Temperature, Dissolved Oxygen (% Saturation), Dissolved Oxygen (mg/L with Temperature)
Percent Saturation Range Polarographic DO0.0 to 600.0 % saturation
Range (mV)±2000.0 mV
Range (pH)-2 to 20
Resolution (pH)0.1/0.01/0.001
Temperature Range (Metric)-5.0°C to +105.0°C
Unit SizeEach