pH Sensor for Brine


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SKU: TT-Na-pH-2110.

pH Sensor for Brine

  • Designed Specifically for Brine
  • Proprietary saturated sodium resistant glass
  • 6m cable
  • RYTON with ¾”  Front End – 1”  Back End MNPT
  • -5°C to 70°C (105°C optional)
  • Ammonia, Chlorine and Sulphide Gas Resistant
  • Acid/Fluoride Resistant
  • Fast Response HDPE Reference
  • 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
  • Description
  • Downloads
  • Application & Use
  • Case Studies

TT-Na-pH Brine pH Sensor

The Turtle Tough pH Sensor for Brine has a long history of success in applications where high brine levels are present.   Saturated Sodium is brutal on pH sensors, specifically attacking the glass and significantly reducing sensor life.  By utilising our specially formulated sodium resistant glass we can ensure superior accuracy, stability and longevity.

The TT-Na-pH Sensor utilises the highly chemical resistant RYTON body plastics with a 1" MNPT back end thread or front end 3/4" thread. For fully submersible applications this can be threaded onto our stainless steel immersion rod assembly, or supplied with optional extreme waterproofing.  The standard HDPE reference provides very fast response. Alternatively the high capacity double junction KYNAR reference provides exceptional resistance to sulphides and other dissolved gasses.

Digital Smart Sensor Technology (DSST)

This sensor comes standard 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 data, analyser 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.

Applications

Specifically designed for use in Brine.  Any process application where high levels of brine may be present. Saturated sodium resistant pH glass ensures accurate readings, stability and longevity in brines. Any measurement where aggressive chemical cleaning is needed to remove fouling or low-maintenance operation is required with minimal cleaning and re-calibration.

Application Difficulty Index: xx/10

This sensor is design for difficult applications with a difficulty index up to xx/10

Maintenance FREE

Turtle Tough pH and ORP sensors are a completely sealed assembly and are sealed for life.  This provides extreme process resistance as well as a totally maintenance free sensor which greatly increases sensor life and reduces labour costs.  A Turtle Tough sensor does not contain any O-rings, washers, gaskets, or serviceable components/assemblies. It does not require refreshing or refilling of electrolyte. The only requirement is regular cleaning in accordance with our recommended cleaning schedule for your application. Regular cleaning will prolong the life of your sensor and ensure hassle free operation.

Recommended Cleaning Schedule

The recommended cleaning interval is based upon the difficulty index for your application.

Recommended Cleaning Schedule

Application Difficulty Rating

Cleaning Schedule

1-3

Monthly

4-6

Fortnightly

6-7

Weekly

8-9

Twice (2x) per week

10

Daily

If a Turtle Tough pH/ORP sensor response slows down, it is most likely the result of a fouled  reference or dirty coated glass.  Cleaning should be performed as required and will vary across  applications.  See cleaning instructions.

Storage

The standard shelf life for all Turtle Tough pH and ORP sensors is one year from the date of shipment. Sensors stored longer than this period may still be functional but are no longer under warranty. Sensors should be stored in a cool, dry location with the sensor tip (sensing element) oriented toward the ground.  All sensors come standard with a conditioning solution in the cap. This conditioning solution is 50% pH 4 buffer and 50% saturated potassium chloride (mixed by volume). The sensor cap should be kept tightly affixed to the sensor body and sealed with common PVC tape when the sensor is not in use. Sensors that are to be returned for shelf life warranty claim must have the original sensor cap and conditioning solution intact to be eligible for warranty replacement.

Avoiding Thermal Shock

For high temperature applications where process liquid exceeds 70°C you will prolong the life of the sensor by avoiding thermal shock. Thermal shock occurs when you rapidly change the temperature of the sensor from hot to cold or vice versa. This rapid expansion/contraction of sensor components can damage internal elements and cause micro-cracking that will accelerate the rate of deterioration. In extreme cases it will crack the sensing element causing a total failure.  To avoid this sensor should be heated or cooled slowly during removal/insertion and cleaning and calibration processes. Consult your Turtle Tough representative for techniques to avoid thermal shock.

Conditioning After Calibration

After the sensor has been cleaned, it must be thoroughly rinsed with deionised water to remove any residual cleaning reagents. The sensor can then be soaked in pH 4 buffer to recondition the pH and reference elements. Some sensors will also require conditioning in saturated potassium chloride if the reference junction has been depleted of the ions in the solid state conductive polymer (typical for clean water applications). Condition the sensor in saturated potassium chloride and/or pH 4 buffer for whatever period of time is required to achieve optimal calibration results.

Please refer to your sensor manual for correct installation, maintenance and use.