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

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

  • The Thermo Scientific* 4-Star Plus portable pH/dissolved oxygen multiparameter meter reads two measurements simultaneously.
  • Waterproof, battery-operated meter makes it easy to read two water quality parameters at once

Part Number Description
1216000 Orion 4-Star Plus pH/DO Portable Meter only
1216001 Orion 4-Star Plus pH/DO Portable Meter Kit with 1.5m cabled probes. Includes pH/ATC Triode electrode, polarographic DO probe with calibration sleeve, beaker, pH electrode storage solution, pH buffers, DO probe maintenance kit, protective probe guard and
1216002 Orion 4-Star Plus pH/DO Portable Meter Kit with 3m cabled probes and hard field case. Includes pH/ATC Triode electrode, polarographic DO probe with calibration sleeve, beaker, pH electrode storage solution, pH buffers, DO probe maintenance kit, protectiv
1216502 Orion 4-Star Plus pH/DO Portable Meter Kit with 3m cabled probes and soft field case. Includes pH/ATC Triode electrode, polarographic DO probe with calibration sleeve, beaker, pH electrode storage solution, pH buffers, DO probe maintenance kit, protectiv

Specifications
Model Orion 4-Star Plus pH/mV/DO 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/ORP Mode
Range ±1999.9mV
Resolution 0.1mV
Relative Accuracy ±0.2mV or 0.05%, whichever is greater
Calibration EH autocalibration to standard hydrogen electrode for ORP measurements
DO Mode
Concentration Range 0.00 to 90.00mg/L
Concentration Resolution 0.0/0.00mg/L
% Saturation Range 0.0 to 600%
% Saturation Resolution 0.1%
Relative Accuracy ±0.2 mg/L
Salinity Factor 0 to 45 ppt
Barometric Pressure [Compensation Range] 450–850mmHg
Calibration Auto Calibration or Manual Input;: water-saturated air and air-saturated water, Winkler Titration for BOD
Temperature Mode
Range -5° to +105°C
Resolution 0.1°C up to 99.9°C, 1.0 over 99.9°C
Relative Accuracy ±0.1°, ±1 digit
Temperature Compensation DO, auto; 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 9-Pin Mini-DIN Locking for DO; waterproof 8-Pin Mini-DIN Locking for ATC probe; waterproof BNC for pH or ORP electrodes
Sensor Types Polarographic DO probe; pH or ORP electrodes
Outputs Waterproof bidirectional RS-232, stereo jack, optional USB interface cable
Data Management GLP Electrode Veri?cationSaves 750 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