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Model D540-VP

After several years of refinement we are introducing our latest set of improvements all bundled up in one new sensor, the OxyProbe® II.

The new membrane design is modeled after our successful 25 mm membrane cartridge. It has an expandable inner Silicone bladder that holds the electrolyte within a 316L stainless steel cage. During SIP processes or during autoclaving the electrolyte turns to steam, but does not distend the measurement membrane because the internal bladder expands first, taking the pressure off the sensitive measurement area. This allows us to have a maximum of electrolyte present, with minimum risk of damage to the sensor. The new membrane cartridge design is easy to use and durable enough to be used many times over if necessary.

  • Autoclavable and steam sterilizable.
  • Accurate measurement and quick response.
  • Long lasting and easy to maintain membranes.
  • FDA positive listed materials of construction.
  • Hygienically polished N5 surface finish (Max. Ra15µ in).
  • Wetted O-rings comply with FDA and USP Class VI standards.
  • Comes with either waterproof VarioPin or D9 connector.
  • T-Pull connector versions allow for easy removal from fermenter and reduces strain on cable.
  • Variety of sensor lengths available.
Length D9 Model Variopin Model
120mm D540-B120-PT-D9 D540-B120-PT-VP
220mm D540-B220-PT-D9 D540-B220-PT-VP
320mm D540-B320-PT-D9 D540-B320-PT-VP
420mm D540-B420-PT-D9 D540-B420-PT-VP