LabSen 821 Glass-body pH Electrode for Milk, Yogurt, Cream


  • Proprietary pH sensor technology and premium materials from Switzerland
  • Designed for milk, yogurt, cream, sauces, and other liquids containing proteins
  • The silver Ion Trap Reference System + Protelyte reference solution, minimizing junction clogs by proteins
  • Built with LabSen S-type hemispherical glass membrane, featuring fast response and high firmness
  • The blue gel electrolyte eliminating the chance of any air bubbles inside the sensor
  • Lead-free glass body
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LabSen 821 Glass-body pH Electrode for Milk, Yogurt, Cream, and Sauces, BNC

Backed by proprietary sensor technologies and premium materials from Switzerland, Apera LabSen 821 pH Electrode is designed for professional pH measurement of milk, cream, yogurt, sauces, and other liquids containing proteins.

Silver Ion Trap Reference System+Protelyte ElectrolyteLabSen 821 pH Electrode adopts a Silver Ion Trap reference system and Protelyte reference solution.

The electrode uses a BNC connector, compatible with any pH meters that use BNC connectors. No temperature sensor is built-in. Users need to have a separate temperature probe (ex: Apera Instruments MP500) to enable ATC or manually input temperature to realize temperature compensation.

WARRANTY of LabSen 821

We warrant this electrode to be free from defects in material and workmanship and agree to repair or replace free of charge, at the option of APERA INSTRUMENTS, LLC, any malfunctioned or damaged product attributable to the responsibility of APERA INSTRUMENTS, LLC for a period of SIX MONTHS from the delivery.

This limited warranty does NOT cover any issues due to:

  • Accidental damage
  • Improper use
  • Normal wear and tear
  • Transportation
  • Storage
  • Failure to follow the product instructions
  • Unauthorized maintenance, modifications, combination or use with any products, materials, processes, systems or other matter
  • Unauthorized repair
  • External causes such as accidents, abuse, or other actions or events beyond our reasonable control.
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Material Lead-free glass
Temp. Sensor No
Junction Ceramic*3
Reference Silver Ion Trap
Electrolyte Protelyte
Length 120mm
Diameter 12mm
Membrane Shape Half-Ball
Range 0-14 pH
Temp. Range -5 to 100°C (23 to 212°F)
Connector BNC
Cable 3 Ft

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LabSen 821 Glass-body pH Electrode for Milk, Yogurt, Cream

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