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Turtle Tough TT-TiO2-pH Titanium Dioxide pH Sensor

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Acid/Fluoride, Slurry (high abrasion), Sulphide, and Organic Resistant

Availability: In stock

Exc. GST

Product Description

TT-TiO2-pH Titanium Dioxide pH Sensor

SKU: TT-TiO2-pH-2104

The Turtle Tough Titanium Dioxide pH Sensor has been the result of more than 20 years of experience and persistence in this physically tough environment.

A characteristic common to all Turtle Tough pH and ORP sensors is a massive solid state reference area which is ideally suited to this application as a physical deterrent to fouling. The unique construction and material composition allows it to withstand harsh cleaning. Any caking or fouling of the reference can be overcome by soaking in high strength acid or by physical removal such as scrubbing or even scrapping with a blade. This won’t damage the sensor, but instead will reveal fresh reference area, greatly extending service life. Our proprietary glass is extremely tough and designed to withstand the harsh abrasion of the environment and cleaning regime. Chemical resistance is also a major feature of this sensor, particularly against sulphide poisoning.

Quite simply, the TT-TiO2-pH Sensor will provide the best service life for Titanium Dioxide applications.

Digital Smart Sensor Technology (DSST)

This sensor is available with our digital smart sensor technology. This plug and play sensor has a quick connect fitting, eliminating the need for hard wiring to the analyser. On-board sensor memory allows the storage of calibration dataanalyser configurations and sensor service history. This allows the sensor to be conveniently maintained and calibrated off-site or in the laboratory and pre-programmed with calibration data and analyser configurations.  This stored information automatically uploads to the analyser upon connection and eliminates the need for any interaction with the analyser, greatly simplifying the change-out of sensors. A service log stored on the sensors is ideal for maintenance and quality assurance records.

Key Features

  • 6m cable
  • RADEL Body, 3/4x1” MNPT
  • -5°C to 105°C
  • Fouling resistant
  • Slurry Resistant
  • Acid/Fluoride Resistant
  • Ammonia, Chlorine & Sulphide Resistant
  • High Capacity KYNAR Reference
  • Proprietary toughened glass
  • Digital smart sensor technology (optional)
    • No hard wiring - plug-n-play connectivity
    • Sensor stores calibration data, analyser configuration and sensor history
    • Hot-swap for quick sensor change-out
    • No interaction with analyser - sensor data auto uploads

Additional Information

Additional Information




General Specifications


pH Sensor for Titanium Dioxide

Part Number


pH Range

0 to 14 pH

Temperature Range

-5 to 105°C


6.9 to 1035 kPa absolute (1 to 150 psig)

Body Type

RADEL (Poly-Phenyl-Sulfone) with ¾” Front End – 1” Back End MNPT

Junction Material

KYNAR (Poly-Vinylidene-Fluoride)


216mm Length, Maximum Diameter 33.3mm

Cable Length


Temperature Compensation



Not Fitted


Immersible, Submersible if threaded on sealed immersion rod with sufficient sealing tape


Hard Wired Tinned Leads for Sensor & TC

Special Features

Acid/Fluoride, Slurry (high abrasion), Sulphide and Organic Resistant

pH Sensor Specifications

Measuring Glass Type

Hemispherical, Green Glass (MUGG)

Glass Dimensions

8.0mm (0.315”) Diameter

Initial Impedance

< 800 M Ohms @ 25°C

Sodium Ion Error

< 0.15 pH in Na⁺ solutions at pH 14.00

Acidic Errors

< 0.05 pH in HCl solutions at 0.00 pH

Reference System Specifications


Double Junction

Reference Half Cell

Ag/AgCl, Saturated KCl

Primary Junction

Porous Ceramic, Saturated KCl in Cross-linked polymer, interfaced to Secondary Junction

Secondary Junction

Solid-State Non-Porous Cross-Linked Polymer embedded in Kynar Support Matrix holds excess KCl assuring saturation at all temps for stability & long sensor service life.

Application Specifications

Recommended Applications

Specifically designed for Titanium Dioxide.  Any process media containing free sulfide species such as hydrogen sulfide gas (H2S), hydrogen sulfide (HS-) or sulfide ions (S2-). Any measurement where aggressive chemical cleaning is needed to remove fouling or low-maintenance operation is required with minimal cleaning and re-calibration.

Analyser / Interface

All Turtle Tough pH Analysers


Item should be kept at room temperature with closed protector cap, filled with storage solution in an upright position. Shelf life warranted for 12 months from the date of purchase.


12 Month Conditional Warranty

Application Aquaculture, Chemical Processing , Food & Dairy, Laboratory, Pulp & Paper, Soil & Fertilisers, Water & Wastewater, Mining Slurries, High Cyanide, Titanium Dioxide, Solvent Extraction
Duty Cycle Moderate, Heavy, Ultra


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