HF405 pH Probe for HF Containing Media

HF405-DXK-S8 pH Probe

XEROLYT® probe with special pH-glass for HF-containing media

HF405-DXK is a pressure-resistant, low maintenance pH probe specially designed for better supporting measurements in HF-containing media.

Specifications - HF405-DXK-S8 pH Probe
Short description XEROLYT® polymer electrolyte pH electrode for HF-containing media
pH-range 2...14
Temperature range 0...110 °C (32...230 °F)
Pressure resistance (bar) 15 bar/25 °C; 6 bar/100 °C
Pressure resistance (psi) 232 psi/77 °F; 87 psi/212 °F
Diaphragm open aperture junction
Number of diaphragms 2
Reference system Argenthal system
Silver-ion trap no
Sterilizable no
Autoclavable no
ISM no
Material Number(s) 59904715
HF405-DXK is equipped with a special pH-sensitive glass allowing measurements in HF-containing media (above a value of pH 5, HF concentration can be disregarded).
Features and Benefits
Low maintenance
  • A solid polymer electrolyte (no refilling and pressurizing of electrolyte) in direct contact with the process media via an open junction. No clogging in contaminated media due to the open junction.
Successful measurements in HF-containing media
  • The electrode is equipped with a special pH-sensitive glass allowing measurements in HF-containing media.
High pressure resistance
  • The electrode covers a generous pressure range and shows high resistance to process pressure fluctuations.


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HF405-DXK-S8 pH Probe
USP Class VI
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