Orion 4-Star Plus Benchtop pH/ DO Meter
Specifications:
pH :
Readout Range / Resolution : -2.000 to 19.999 or 0 to 14 in aqueous solutions / 0.1, 0.01, 0.001
Relative Accuracy : ± 0.002
SMART STABILITYâ„¢ and SMART AVERAGINGâ„¢ : Resolution dependent / automatic
AUTO-CALâ„¢ 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
DISSOLVED OXYGEN ( DO) :
Range / Resolution Concentration : 0.00 to 90.0 mg/ L / 0.0/ 0.00
Range / Resolution % Saturation : 0.0 to 600% / 0/ 0.0
Relative Accuracy Concentration / % Saturation : ± 0.5% ± 1 digit
SMART STABILITYâ„¢ and SMART AVERAGINGâ„¢ : Resolution dependent / automatic
Auto Calibration or Manual Input : Water Saturated Air and Air Saturated Water, Winkler
Calibration to Winkler Titration for BOD : Available as needed
Salinity Factor : 0 to 45 ppt
Barometric Pressure Range : 450 to 850 mm Hg
Probe Type : Polarographic
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 : DO ( auto) ; pH ( auto/ manual)
Display : Custom backlit LCD, for easy viewing
INPUTS / OUTPUTS :
Sensor Inputs : DO-miniDIN - Locking; ATC-miniDIN-Locking; pH - BNC; Reference-Pin tip; Stirrer-Phono-jack
Communications : Bi-directional RS232 - Stereo jack, optional USB interface Cable
SPECIAL GLP SOFTWARE FEATURE :
# Of Data Logging Points : 750 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 Veri cation : YES
Password Protection : YES
Internet Software Updates / Downloadable Methods : YES