Ocean Optics Transmissive pH Probe - Manual (Page 2)

pH Probe Instructions
2 PH-BCG-TRANS-01-0210
Transmissive pH Probe Benefits
 Chemistry
- Proprietary Organically Modified Sol Gel (ORMOSIL) formulation engineered to
maximize immunity to ionic strength sensitivity
- Compatible with some organic solvents (i.e. acetone, alcohols, aromatics) ◊ Sol-Gel
material chosen over typical polymer method, allowing for a faster response
- time, versatility in the desired dopants, greater chemical compatibility, flexible coating,
and enhanced thermal and optical performance
- Indicator molecule allows high resolution measurement in biological range (pH 5-9)
 Simplified algorithm takes analytical and baseline wavelengths into account to reduce errors
caused by optical shifts
 Sterilization
- Transmissive patches are autoclavable
- Transmissive patches are gamma and ethylene oxide sterilizable
 Maintenance
- Long-term storage
- Dry or wet storage
- Single point reset
 Applications
- Organic solvents
- Low ionic strength cooling water
- Biological Processes
- Environmental
 Durable design allows probe to survive conditions/shocks that would cause glass electrodes to
break
Fiber Optic pH Sensor System Components
The Fiber Optic pH Sensor system consists of the following:
 Transmissive pH probe (T300-UV/VIS or VIS/NIR)
 Ocean Optics VIS-NIR spectrometer (or Jaz Sensor module) that covers 350–1100 nm (slit
options 25, 50, 100, 200)
 SpectraSuite Spectrometer Operating Software for reading values
 Light source (LS-1 Tungsten Halogen Light Source or a white LED)
 Transmissive pH patches, pack of 5 (PH-BCG-TRANS)
Calibration requires recording spectra in high and low pH samples, as well as in at least one pH
standard solution (such as a NIST-traceable buffer).