Emerson AMS TREX Communicator

AMS Trex Handheld Communicator Intrinsically Safe

Unlock unparalleled efficiency with the Trex communicator at your fingertips. Empower your maintenance teams with the confidence to swiftly pinpoint and rectify device issues on-site. 


  • Advanced Diagnostics
  • Versatile Compatibility
  • Rugged Design
  • Intuitive User Interface

Looking to rent? Our TREX rental units include: Carrying Case, Trex Manual, 2 Alligator Clips, Test Lead, 2 Grabbers, USB Cable, Power Supply, Emerson SD Card, Carrying Case Strap, Hand Strap and 250 Ohm Resistor

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Additional Software

No additional software needed, WirelessHart® Provisioning App, Radar Master App


Daily, Weekly, and Monthly rates are available on select items.

Product Overview: Emerson AMS TREX Communicator

Dive into a world where precision meets speed, ensuring tasks are tackled right, the very first time with the ultimate handheld companion.

Emerson TREX Highlights

  • Advanced Diagnostics: The Emerson AMS TREX Communicator offers state-of-the-art diagnostic capabilities, ensuring that field devices operate consistently and efficiently.
  • Versatile Compatibility: Designed to work with a wide range of field devices, regardless of the manufacturer.
  • Rugged Design: Built to withstand the harshest industrial environments, ensuring reliability and durability.
  • Intuitive User Interface: Features a full-color touchscreen that simplifies tasks and increases productivity.




Processor, Memory, and Operating System

Microprocessor 800 MHz ARM Cortex A8 / NXP
Memory Internal Flash 2 GB NAND and 32 GB extended flash
Operating System Windows Embedded Compact 2013
Weight Approximately 2.9 lbs (1330 grams)
Display 5.7 inch (14.5 cm) color VGA resistive touchscreen
640 x 480 pixel
Keypad X button – similar to a Back key
4 arrow buttons to navigate menus
Checkmark- similar to an Enter key
AC Adapter
Battery Rechargeable Lithium- Ion Power Module
Operating Time 8+ hours of typical use
Charge Time 3 to 4 hours
LEDs 6 LEDs. Five LEDs for indicating the progress of charging. One LED to indicate the AC adapter is charging the power module.
Battery Charger Options Input voltage 90-264 VAC, 47-63 Hz
Cables included with U.S., Europe, and U.K. plugs

Emerson AMS Trex Device Communicator Features

Device Dashboards

Provides an organized view of device parameters with touch-based interaction for faster data access and streamlined troubleshooting.

Power the Device

The communicator can power an external device, eliminating the need for an external power supply during configuration or troubleshooting.

Bluetooth Connectivity

Enables easy communication with devices and systems without the need for physical connections.

Long Battery Life

Designed for extended field use, the communicator offers long battery life, ensuring that tasks are not interrupted.

Expandable Storage

Comes with ample storage, which can be expanded using SD cards, ensuring that all configurations and data logs are stored securely.

How It Works

The Emerson AMS TREX Communicator is a handheld device designed to interface with and configure field devices in industrial settings. Users can connect the communicator to a field device using various protocols. Once connected, the device dashboards provide a clear and organized view of device parameters. 

Users can then configure, calibrate, or troubleshoot the connected device using the communicator’s intuitive touchscreen interface. The built-in advanced diagnostics help identify and resolve issues quickly, reducing downtime and increasing overall operational efficiency. With its rugged design, the communicator is built to be used in various industrial environments, from the factory floor to outdoor field sites.


Is the AMS Trex Intrinsically Safe?

The communicator is designed with safety in mind, ensuring that it can be used in hazardous areas without any risks.

Does the Device Communicator Receive Updates?

Emerson provides regular software updates, ensuring that the communicator remains compatible with the latest devices and technologies.

Do You Provide Training and Support?

Emerson offers comprehensive training and support for the AMS TREX Communicator, ensuring that users can make the most of its features and capabilities.

Additional TREX Communicator Resources

AMS Trex Device Manual and User Guide

What is Instrumentation?

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JM Test Rental options can help you save capital, get the latest technology, and expand your capabilities. Daily, Weekly and Monthly rates are available on select items.