pH Sensor DGi111-SC

Versatile Acid-base Titration Sensor.Combined glass pH electrode with a ceramic pin for direct pH measurement and acid/base titration in aqueous medium. A flexible all-rounder for a large variety of standard lab applications.

Up to Date Anywhere, Anytime

Data stored in the sensor chip ensures its correct condition for the chosen application, regardless of which titrator it is connected to.

Mobility Means Flexibility

The movable sleeve holder enables individual positioning of the sensor in any of the automatic or manual titration vessels.

Simple yet Stable Reference

The KCl-ARGENTHAL™ system reliably delivers stable sensor signals within a temperature range of 0 to 80°C for the entire life of the sensor.

Material No.: 51109500

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Specifications - pH Sensor DGi111-SC
Reference System
Measurement Type
pH measuring range
0 – 14
Membrane glass
Reference electrolyte
3 mol/L KCl
S12 (DGi111-SC) S7 (DG111-SC)
Type of Sensor
pH (Glass Membrane) Sensors
Shaft Material
Temperature Range
32 °F – 176 °F (0 °C – 80 °C)
Ceramic pin
Plug & Play Sensor Chip
Product Line
Excellence Titrators
Potentiometric Compact Titrators

Difficult Samples Made Easy

A small ceramic pin creates a slow, even outflow of the electrolyte, eliminating clogging even with difficult samples like high sulfide or high protein content.

Quick, Stable Signals and Results

The large HA-glass pH membrane is optimized for rapid response times and stable signals, delivering reliably repeatable results in aqueous systems.

Plug & Play Sensor Chip

A sensor chip stores the sensor type, calibration, and lifespan data, all read instantly during titrator setup. Using the wrong sensor is impossible.


Product Brochures

Intelligent Sensors for All Titration Applications Brochure
Reliable and durable titration sensors from METTLER TOLEDO with their variety of designs and perfectly matched reference systems, glass membranes and...
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A guide for the proper use and maintenance of titration sensors including regular care, storage, cleaning and calibration.




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pH Sensor DGi111-SC