PT4805-DPAS-SC-K8S Redox Electrode

For in-line measurements of oxidation reduction potential (ORP) in biotech applications

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Pt4805 is the Redox version of DPAS, i.e. a gel-filled, low-maintenance electrode, for in-line measurements of oxidation reduction potential (ORP) in biotech applications in small to medium-sized bioreactors at moderate pressure.
Features and Benefits
Low-maintenance
Pt4805 electrode is filled with gel-reference electrolyte which is pre-pressurized to 2.5 bar (36 psi). The internal over-pressure ensures a gradual electrolyte outflow efficiently cleaning the diaphragm and preventing influx of process media into the reference electrolyte.
 
In-situ sterilizable and autoclavable
Designed for operation under fully aseptic conditions and to withstand repeated sterilization at 130 °C (266 °F) without any decline in measuring reliability.
 
Long operational electrode lifetime
The electrode is provided with a patented silver-ion trap which prevents silver sulfide precipitation at the diaphragm in sulfide-containing media and extends electrode life.
 
Specifications
Short description Sterilizable gel-filled electrolyte Redox-electrode
pH-range mV
Temperature range 0...130 °C (32...266 °F)
Pressure resistance (bar) up to 2.5 bar overpressure
Pressure resistance (psi) up to 36 psi overpressure
Diaphragm ceramic
Number of diaphragms 1
Reference system Argenthal system
Silver-ion trap yes
Sterilizable yes
Autoclavable yes
ISM no
Material Number(s) 59904198

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