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Orion 3-Star Plus pH Portable Meter
Product : Thermo Orion - USA

Stands up to the most demanding quality control and general analysis applications and delivers over 2000 hours of continuous operation. Improved stability algorithm to increase calibration and measurement accuracy.
Easy to operate in any mode
Bright, backlit LCD display with ready indication
Balanced comfortable handling
Simultaneous display of pH or mV and temperature
Convenient built-in Quick-Start Guide with calibration instructions
Stores, displays and prints up to 10 methods with individual method password protection
Automatic or manual temperature compensation
Auto-read/ hold function
IP67 waterproof

Extra features in every mode

pH: automatic or manual calibration; 1 to 5 calibration points; auto-buffer-recognition of NIST* / US and DIN buffers
mV/ ORP: EH autocalibration to standard hydrogen electrode

Increased accuracy

Improved stability algorithm improves calibration and measurement accuracy
SMART STABILITY* and SMART AVERAGING* functions optimize accuracy, precision and response time
ATC calibration
Advanced self-tests on meter operation, self-diagnostics

Complete documentation

Full complement of GLP-related features
1000 point datalogger, downloadable to printer or computer via RS-232 connection
Average slope and slope of segment printed with measurement

Specification :
pH Mode
Range : -2.000 to + 19.999, Resolution: 0.1/ 0.01/ 0.001, Accuracy : ± 0.002pH
Calibration: AUTO-CAL and/ or Manual Calibration : 1 to 5 points; US/ NIST, DIN, and custom buffers recognized
mV Mode
Range : ± 1999.9 mV, Resolution : 0.1 mV, Accuracy± 0.2 mV or 0.05%
Temperature Mode
Range: -5° to + 105° C, Resolution : 0.1° C up to 99.9° C, 1.0° C over 99.9° C, Accuracy: ± 0.1°
Compensation Automatic or manual : -5° to + 105° C
Display : Custom backlit LCD; simultaneous display of pH or mV and temperature, pH calibration points, and current electrode condition
Inputs/ Outputs : InputsWaterproof BNC for pH/ ORP electrodes; waterproof 8-Pin Mini-DIN Locking for ATC probe; Pin tip for separate reference electrode Sensor Type pH/ ORP: Electrode Outputs Waterproof bidirectional RS-232, stereo jack, optional USB interface cable

Data Management
- GLP Electrode Veri
cation
- Saves 1000 points by time, stability or manual read with time/ date stamp
- Calibration log of last 10 calibrations
- User method storage for 10 procedures
- Advanced self-test and diagnostics routines
- Password protection
- Downloadable software and methods updates via Internet

Regulatory and Safety ComplianceCE, CSA, UL, TUV, FCC Class A limits
Environmental Operating ConditionsAmbient Operating Temperature5° to 45° C
Relative Humidity5 to 85% noncondensing
IP RatingIP67 waterproof Stability SMART STABILITY* and SMART AVERAGING* :
Resolution dependent/ automaticPower Supply4 x 1.5V " AA" batteries