Specifications
AC AdapterUniversal 50-60 Hz, 100-240 VAC power adapter (sold separately, Cat. No. 1010003)
OutputsUSB, RS232
Accuracy (Barometer)±6mmHg
Accuracy (mV)±0.2 mV or ±0.05% of reading whichever is greater
Accuracy (pH)±0.002
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
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
Channels2
Display TypeLCD Graphic, Backlit
IP RatingIP 67
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)-2.000 to 20.000
Resolution (pH)0.1/0.01/0.001
Temperature Range (Metric)-5.0°C to +105.0°C
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
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 Relative Accuracy (Polarographic DO)±2 % saturation or ±2% of reading whichever is greater
Percent Saturation Resolution (RDO)0.1, 1 % saturation
Power Supply4 AA batteries (included) or universal AC adapter (sold separately)
Pressure Range400 to 850mmHg
Pressure Resolution1mmHg
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 (mV)0.1mV
Resolution (Polarographic DO)0.01, 0.1mg/L
Resolution (RDO)0.01, 0.1mg/L
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
Dimensions (L x W x H)24cm x 10cm x 6.5cm (9.5 in. x 3.9 in. x 2.6 in.)
Weight (English)1.2 lb.
Weight (Metric)0.5 kg
Unit SizeEach