| Specifications |
| Model |
Orion 3-Star Plus Portable Conductivity Meter |
| Conductivity Mode |
| Range |
0.000 to 3000mS/cm, auto resolution with cell constant dependence |
| Resolution |
4 significant digits down to 0.001µS/cm, dependent on cell constant |
| Relative Accuracy |
±0.5% ±1 digit or 0.01µS/cm, whichever is greater |
| Cell Constants |
0.001 to 199.9cm-1 |
| Compatible Probes |
2 Cell, 4 Cell, or Planar |
| Calibration |
DirectCal*/AUTO-CAL*: 1 to 5 points/1 to 3 points |
| Reference Temperature |
5°C, 10°C,15°C, 20°C or 25°C (default); autoranging |
| Resistivity Mode |
| Range |
0.0001 to 100megohm |
| Resolution |
Autoranging |
| Relative Accuracy |
±0.5% ±1 digit |
| Salinity Mode |
| Range |
0.0001 to 100megohm |
| Resolution |
Autoranging |
| Relative Accuracy |
±0.5% ±1 digit |
| TDS Mode |
| Range |
0 to 19,999mg/L |
| Resolution |
1mg/L |
| Relative Accuracy |
±0.5% ±1 digit |
| Adjustable TDS Factor |
0.0 to 10.0% |
| Temperature Mode |
| Range |
-5° to +105°C |
| Resolution |
0.1°C up to 99.9°C, 1.0°C over 99.9°C |
| Relative Accuracy |
±0.1°, ±1 digit |
| Temperature Compensation |
nLF, linear |
| Display |
Custom LCD; simultaneous display of selected measurement and temperature, and current electrode condition |
| Inputs/Outputs |
| Inputs |
Waterproof 8-Pin Mini-DIN Locking for Conductivity |
| Sensor Types |
2 Cell, 4 Cell, or Planar Conductivity Cell |
| Outputs |
Waterproof bidirectional RS-232, stereo jack, optional USB interface cable |
| Data Management |
GLP Electrode Veri?cationSaves 1000 points by time, stability or manual read with time/date stampCalibration log of last 10 calibrationsUser method storage for 10 proceduresAdvanced self-test and diagnostics routinesPassword protectionDownloadable software and methods updates via Interne |
| GLP Compliance |
21 CFR Part II Compliance with optional software. Meets all U.S. Pharmacopeia (USP) requirements. |
| Regulatory and Safety Compliance |
CE, CSA, UL, TUV, FCC Class A limits |
| Environmental Operating Conditions |
| Ambient Operating Temperature |
5° to +45°C |
| Relative Humidity |
5 to 85% noncondensing |
| IP Rating |
IP67 waterproof |
| Stability |
SMART STABILITY* and SMART AVERAGING*: Resolution dependent/automatic |
| Power Supply |
4 x 1.5V AA batteries |
| Warranty |
Three years from date of purchase on meter |
