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product arrow Orion* 4-Star Plus pH/Conductivity Portable Multiparameter Meter

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Orion* 4-Star Plus pH/Conductivity Portable Multiparameter Meter

  • The Thermo Scientific* 4-Star Plus portable pH/conductivity multiparameter meter offers dual display of two important parameters and meets all U.S. Pharmacopeia (USP) requirements.
  • Waterproof, battery-operated meter makes it easy to read two water quality parameters at once.

Part Number Description
1217000 Orion 4-Star Plus Portable pH/Conductivity Meter only
1217001 Orion 4-Star Plus Portable pH/Conductivity Meter Kit with hard field case and 1.5m probes. Includes pH/ATC Triode, DuraProbe conductivity cell, pH electrode storage solution, pH buffers, conductivity standard and hard field case.
1217002 Orion 4-Star Plus Portable pH/Conductivity Meter Kit with hard field case and 3m probes. Includes pH/ATC Triode, DuraProbe conductivity cell, pH electrode storage solution, pH buffers, conductivity standard and hard field case.
1217101 Orion 4-Star Plus Portable pH/Conductivity Meter and 1.5m probes. Includes pH/ATC Triode and DuraProbe conductivity cell.
1217501 Orion 4-Star Plus Portable pH/Conductivity Meter Kit with soft field case and 1.5m probes. Includes pH/ATC Triode, DuraProbe conductivity cell, pH electrode storage solution, pH buffers, conductivity standard and soft field case.

Specifications
Model Orion 4-Star Plus pH/mV/Conductivity Portable Multiparameter Meter
pH Mode
Range -2.000 to +19.999pH
Resolution 0.1/0.01/0.001pH
Relative Accuracy ±0.002pH
Calibration AUTO-CAL™ and/or Manual Calibration; 1 to 5 points; US/NIST, DIN, and custom buffers recognized
mV/RmV/ORP Mode
Range ±1999.9mV
Resolution 0.1mV
Relative Accuracy ±0.2mV or 0.05%, whichever is greater
ORP Calibration EH autocalibration to standard hydrogen electrode for ORP measurements
Conductivity Mode
Range 0.000 to 3000mS/cm, auto resolution with cell constant dependence
Resolution 4 signi?cant digits down to 0.001µS/cm, cell constant dependent
Relative Accuracy 0.5% ±1 digit or 0.01µS/cm, whichever is greater
Cell Constants 0.001 to 199.9cm-1
Celll Compatability 2 Cell, 4 Cell, or Planar
Calibration DirectCal*/AUTO-CAL*: 1 to 5 points/1 to 3 points
Reference Temperatures 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 0.1 to 80.0ppt NaCl equivalent; 0.1 to 42ppt practical salinity
Resolution 0.1ppt
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 Conductivity, nLF, linear; pH, auto/manual -5° to +105°C
Display Custom LCD; simultaneous display of selected measurement and temperature, pH calibration points, and current electrode condition
Inputs/Outputs
Inputs Waterproof 8-Pin Mini-DIN Locking for Conductivity or ATC; waterproof BNC for pH or ORP electrodes; Pin tip for separate reference electrode; Phono jack for stirrer
Sensor Types 2 Cell, 4 Cell, or Planar Conductivity cell; pH or ORP electrodes
Outputs Waterproof bidirectional RS-232, stereo jack, optional USB interface cable
Data Management GLP Electrode Veri?cationSaves 500 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 Internet
GLP Compliance 21 CFR Part II Compliant with optional software
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