Technical Information
 
 
 
  Orion 4-Star Plus Portable pH/Conductivity Meter


  • Improved stability algorithm to increase calibration and measurement accuracy
  • Average slope and slope of segment printed with measurement
  • Ability for ATC temperature calibration
  • Increased data log points: 750
  • Ability to turn off data log
  • Ability to print or view last 10 calibrations
  • New Individual method passwords
  • Third decimal point for cell constant entry
  • Added 5 and 10°C as reference temperature options
  • Added second decimal point to temperature compensation
  • Ability to calibrate conductivity temperature sensor
   Product Detail


This waterproof, battery-operated conductivity meter stands up to the most demanding soil and water analysis applications and delivers over 2,000 hours of continuous operation. Convenient Quick-Start Guide is located on the back of the meter to make the unit easy to operate in the field.  In addition to pH, the rugged meter displays conductivity, resistivity, salinity, TDS and temperature measurements and offers a full complement of GLP-related features—including available 21 CFR Part 11 software option. It accepts both 4-electrode and 2-electrode cells.

SMART STABILITYTM and SMART AVERAGINGTM functions simplify the measurement process. You can record and store up to 10 setup parameters and calibrations—a valuable feature for multi-user labs. 

Additional Features: 

  • Balanced comfortable handling
  • Bright, backlit LCD display with ready indication
  • Meets all U.S. Pharmacopeia (USP) requirements
  • Automatic or manual temperature compensation
  • IP67 waterproof (may be immersed for up to one hour with no water incursion)
  • Waterproof BNC pH electrode and waterproof mini DIN locking conductivity probe connectors
  • Automatic or manual pH calibration with 1 to 5 calibration points
  • Auto-buffer-recognition of NIST/US and DIN buffers
  • Automatic or manual temperature compensation
  • Self-diagnostics; GLP IQ/OQ included
  • Optional USB outputs; CE, CSA, UL, TÜV and FCC Class A limits approved
  • Three-year replacement warranty.
 Orion 4-Star Plus Portable pH/Conductivity Meter
 Product# Price  Description  
       
 1217000      -    Meter Only   SELECT  
 1217001      -    Includes 9107BNMD, 013005MD, storage solutions, buffers, conductivity standard and hard field case   SELECT  
 1217002      -    Includes 9107WMMD, 013010MD, beaker, storage solutions, buffers, conductivity standard and hard field case   SELECT  
 1217501      -    Includes 9107BNMD, 013005MD, beaker, storage solutions, buffers, conductivity standard and soft field case   SELECT  
 1217502      -    Includes 9107WMMD, 013010MD, beaker, storage solutions, buffers, conductivity standard and soft field case   SELECT  
 1217101      -    Includes 9107BNMD and 013005MD   SELECT  
 1217102      -    Includes 9107WMMD, 013010MD and beaker   SELECT  
 
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Specifications:
pH :
Range :–2.000 to 19.999 or 0 to 14 in aqueous solutions
Resolution :0.1/0.01/0.001
Relative Accuracy :± 0.002
SMART STABILITY™ and SMART AVERAGING™ :Resolution dependent / automatic
AUTO-CAL™ and/or Manual Calibration :1 to 5 points; US/NIST, DIN, and custom buffers recognized
mV :
Range – mV / RmV :± 1999.9
ORP :EH autocalibration to standard hydrogen electrode
Resolution :0.1
Relative Accuracy :± 0.2 mV or 0.05%, whichever is greater
CONDUCTIVITY :
Range :0.000 to 3000 mS/cm, auto resolution with cell constant dependence
Resolution :4 significant digits down to 0.001 µS/cm, cell constant dependent
Relative Accuracy :0.5% ± 1 digit or 0.01 µS/cm, whichever is greater
Cell Constant :0.001 to 199.9
Cell Compatibility :2 Cell, 4 Cell, Planar Cell
SMART STABILITY™ and SMART AVERAGING™ :Resolution dependent / automatic
DirectCal™ / AUTO-CAL™ :1 to 5 points / 1 to 3 points
RESISTIVITY :
Range / Resolution :0.0001 to 100 Megohm / Auto resolution
Relative Accuracy :0.5 % ± 1 digit
SALINITY :
Range/Resolution :0.01 to 80.0 ppt NaCl equivalent, 0.01 to 42ppt practical salinity / 0.01
Relative Accuracy :± 0.1 ± 1 digit
TDS :
Range / Resolution :0 to 19999 / 1 mg/L
Relative Accuracy :± 0.5 % ± 1 digit
Adjustable TDS Factor :0.00 to 10.00
TEMPERATURE :
Range / Resolution :-5 to 105 ¡C / 0.1 up to 99.9 ¡C, 1.0 over 99.9 ¡C
Relative Accuracy :± 0.1 ¡C
Temperature Compensation :Cond (nLF, linear 0.0 to 10.0% / ¡C); pH (auto/manual)
Display :Custom backlit LCD, for easy viewing
INPUTS / OUTPUTS :
Sensor Inputs :Conductivity-miniDIN - Locking; ATC-miniDIN-Locking; pH - BNC; (all waterproof)
Solid State pH Sensor :ISFET
Communications :Waterproof bi-directional RS232 - Stereo jack, optional USB interface Cable
SPECIAL GLP SOFTWARE FEATURES :
# Of Data Logging Points :200 points by time, stability or manual read with time/date stamp
Calibration Log :Last 10 Calibrations
User Method Storage :10 Saved
Advanced Self-test and Diagnostics :YES
GLP Electrode Verification :YES
Password Protection :YES
Internet Software Updates / Downloadable Methods :YES
21 CFR Part 11 Software Package :Optional
Power :4 x AA batteries, powerless date protection
Regulatory and Safety :CE, CSA, UL, T†V, FCC Class A limits
ENVIRONMENTAL OPERATING CONDITIONS :
Ambient Operating Temperature :5 to 45 ¡C
Relative Humidity :5 to 85% Non-Condensing
IP Rating :IP67, waterproof and dustproof
Warranty :36 months (from date of purchase)
* Above data generated under optimal/controlled circumstances :