LabSen 751 Titanium-body Spear pH Electrode for Food Samples


  • Spear sensor designed for direct pH test of food samples such as cheese, fruits, dough, sushi rice, and meat products
  • LabSen S-type glass membrane, featuring fast response and high firmness
  • Open&Ceramic double-junction with Polymer electrolyte
  • Long-Life Reference System – improves the stability of the reference and extends the electrode’s service life
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Built with proprietary sensor technology and premium materials from Switzerland, Apera LabSen 751 Titanium-body pH Electrode is designed for food samples such as cheese, fruits, dough, sushi rice, and meat products.

LabSen S-type spear glass membrane – low resistance and high firmness, rendering fully stabilized readings in 15 to 30 seconds, and is yet 10 times stronger than traditional glass membranes, highly resistant to general impact, eliminating the chance of accidental breakage when inserting into food samples.

Open & Ceramic double-junction with Polymer electrolyte – ensures full contact with test samples while minimizing junction clogs. No need to refill electrolyte.

Long-Life Reference System – composed of a glass tube, AgCl, and a reference silver wire. The top end of the slim glass tube is stuffed with cotton, which prevents the reaction between AgCl and electrolyte when the temperature changes. It improves the stability of reference electrode and extends the service life of the electrode.

The electrode uses a standard 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 MP500) to enable ATC or manually input temperature to achieve temperature compensation.

WARRANTY of LabSen 751

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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Range: 0 to 14 pH

Temperature Range 0 – 80 °C

Cable/Connector: 1m / BNC

Body Material: Food-Grade Titanium

Reference: Long Life

Junction: Ceramic + Open

Reference Solution: Polymer

Soaking Solution: 3M KCL

Electrode Dimension:

Electrode (Φ12×115) mm

Measuring Tip (Φ6×50) mm

Cable diameter: 3mm

Membrane Shape: Spear

Membrane Resistance: <250MΩ

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LabSen 751 Titanium-body Spear pH Electrode for Food Samples

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