Thermo Scientific - Orion 4-Star Plus
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Orion* 4-Star Plus pH/ISE Benchtop Multiparameter Meter
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Features of Orion 4-Star Plus
Easy to operate in any mode
- Bright, backlit LCD display with ready indication
- Simultaneous display of pH, mV, or ISE plus 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
- Capable of operating an autosampler or stirrer (both sold separately)
- IP54 dustproof and splashproof
Extra features in every mode
- pH: automatic or manual calibration; 1 to 5 calibration points; auto-buffer-recognition of NIST*/US and DIN buffers
- ISE: manual calibration; 1 to 5 calibration points; point-to-point calibration, high and low concentration range; automatic blank correction
- 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
- Optional Star Plus Navigator 21 software provides 21 CFR Part 11, GLP IQ/OQ documentation
- 1000 point datalogger, downloadable to printer or computer via RS-232 connection
- Average slope and slope of segment printed with measurement
General Specifications
| mV Range | -1999.9 to 1999.9 |
| mV Resolution | 0.1 mV |
| pH Range | -2 to 19.999 |
| pH Resolution | Selectable |
| Temperature Resolution | 0.1 °C 1.0 over 99.9°C |
| Temperature Accuracy | 0.1 °C |
| mV Accuracy | ±0.2mV or 0.05%, whichever is greater |
| pH Accuracy | ± 0.002 |
| pH Meter Temperature Range | -5 to 105 °C |
| pH Meter Type | Benchtop |
Additional Specifications
ISE Mode
Range: 0 to 19,999 in M, mg/L, %, ppb, or no units
Resolution: 1, 2, or 3 signi?cant digits
Relative Accuracy: ±0.2mV or 0.05%, whichever is greater
Calibration Point: 1 to 5 points; linear point to point, non-linear selectable auto-blank, low concentration range options
Inputs/Outputs
Inputs: BNCBNC for pH/ORP/ISE electrodes; 8-Pin Mini-DIN Locking for ATC probe; Pin tip for separate reference electrode; Phono jack for stirrer
Sensor Types: pH, ORP or Ion Selective Electrodes
Outputs: Bidirectional RS-232, stereo jack, optional USB interface cable
Data Management:
- GLP Electrode Veri?cation
- Saves 10,000 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
GLP Compliance: 21 CFR Part II Compliant with optional software
Regulatory and Safety Compliance: CE, CSA, UL, TUV, FCC Class A limits