• Water & Wastewater
  • Beverage & Food Processing
  • Sugar Refining
  • Dairy
  • Refining

Applications:


  • Chemical
  • Acid Etching
  • ION Analysis
  • Mining / Ore Refining
  • Pulp & Paper Bleaching

3TX Family​

ASTI Model 4TX pH & ORP Meter, Analyser & Controller

ASTI Model 2TX Isolated 2-Wire pH & ORP Transmitter

All modules in the 3TX series share these features

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  • Easy-to-read displays: Bright three-digit LED displays are visible even in bright sunlight
  • Easy to use: Simple and intuitive three-button operation
  • Easy installation: Enclosures are customized for your modules and arrive ready for field mounting
  • Weatherproof: enclosures include high quality sealing cable glands
  • Certifications: CE approved for use in safe, non-hazardous areas
  • Security: Optional lock available for all enclosure assemblies to restrict access to selected keyholders.
  • Power supply options: CSA/UL/CE approved universal 100 to 240 VAC 50/60 Hz power supply module or 3-wire 24VDC powered operation

Transmitters & Applications

​Offering a wide range of instrumentation options from low-cost 2-wire and 4-wire transmitters and controllers all the way to intrinsically-safe explosion-proof and programmable instrumentation for single, dual and triple channel pH, ORP, ion selective (ISE), conductivity and dissolved oxygen (DO) liquid analytical measurements. Options include PID & TPC relay controllers, HART, Fieldbus, Profibus, and MODBus digital outputs as well as multiple isolated, configurable, reversible and scalable 4-20 mA analog current loop outputs. Available in IP65, IP67 and NEMA 4X rated enclosures.

If you can't find it, let us find it for you.

3TX Transmitters & Controllers


AZTI Model 3TX Modular Line of pH, ORP, ISE, DO and Conductivity Transmitters and Controllers with Datalogging


  • Select any combination of measurements pH, ORP, conductivity and ion selective (ISE)
  • Select the number of measurement channels in the field assembly, from a single channel up to six
  • Enjoy the flexibility to add complementary modules either at initial installation or later including controllers (3TX-REL), dataloggers (3TX-DAT), pH
  • MODbus converter for all inputs (3TX-TOT) and universal AC power supply.