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    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.
 
    ASTI Model 2TX Isolated 2-Wire pH & ORP Transmitter
    All modules in the 3TX series share these features
- 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.
    ASTI Model 4TX pH & ORP Meter, Analyser & Controller