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TECHNICAL SHEET

HANNA INSTRUMENTS

pH electrode for food industry

REF : FC2020

pH electrode with 3.5 mm mini jack connector:

  • Reference: double, Ag/AgCl
  • Maximum pressure 0.1 bar
  • pH range: 0 to 12
  • Temperature: 0 to 60°C
  • With integrated temperature sensor
  • Cable: 1 meter
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DESCRIPTION

Conical glass tip

The conical tip design allows for penetration into semi-solids (cheese, yogurt, milk, etc.). The glass tip uses a special formulation of LT (low temperature) glass because many food products are stored at low temperatures. As the temperature of the glass decreases in the sample, the resistance of the LT glass approaches that of glass.

    Open Junction Reference:

    Suspended solids and proteins present in food products clog a conventional ceramic reference junction. This clogging will impede the measurement circuit between the glass electrode and the internal reference, resulting in a slower response time. The open junction design consists of a solid gel (viscolene) interface between the sample and the internal Ag/AgCl reference. This interface not only prevents silver from entering the sample, but also makes it impervious to clogging, resulting in a fast response and stable readings.

    PVDF body

    Polyvinylidene fluoride (PVDF) is a food-grade plastic that is resistant to most chemicals and solvents, including sodium hypochlorite. It has high abrasion resistance, mechanical strength, and resistance to ultraviolet and nuclear radiation. PVDF is also resistant to fungal growth.

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