AMS Trex2
Device Communicator
Price on request
Improve reliability with the AMS Trex Device Communicator.
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The Next Generation of AMS Trex is here!
Building on three decades of expertise in handhelds and intelligent field device management, AMS Trex continues to deliver the trusted human-centered handheld device communicator, rugged form factor, long-lasting battery life, and global “go-anywhere” safety certifications users rely on to commission, configure, diagnose and troubleshoot more than 2500 field devices. The latest version of the industry's leading field device communicator has been redesigned to operate on a modern, faster platform with improved accuracy and device connectivity including embedded Bluetooth® technology to improve productivity and safety of field maintenance engineers and technicians.
Carry Less, Do More – The Single Tool Advantage
The AMS Trex Device Communicator has been re-engineered for faster performance, smoother operation, and improved user experience—with key enhancements and additions including:
Key Improvements and Benefits
• Performance, Speed, and Design: Noticeably faster response times, greater processing and storage capacity, and a more intuitive, streamlined user experience.• NIST Traceability: Calibrated using standards traceable to the National Institute of Standards and Technology (NIST) to ensure accuracy of electrical mA current measurements to support maintenance tasks like 4-20mA loop checks and field device calibrations.• Bluetooth® connectivity: Enables seamless wireless integration with Bluetooth devices via the new AMS Device Configurator App improving maintenance productivity and safety.
• Rugged and Intrinsically Safe Design: Built to endure harsh industrial conditions—resistant to moisture, extreme temperatures, and physical shocks, while meeting global Intrinsic Safety standards and wireless approvals. -
Specifications Microprocessor 1.2 GHz quad-core Cortex-A53 / NXP i.MX 8M MiniMemory Internal Flash 64 GB NAND flash Operating System Custom Android 14 platformRAM 4 GB LPDDR4 SDRAM Physical 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 100-240 VAC, 50-60 Hz Cables included with US, EU, UK, and AU plugs Connections USB Micro USB Connector. USB 2.0 Remove the USB cable from the Trex unit before connecting to a device Battery Charger Barrel Round Plug Tip Wireless Wireless Approvals FCC, CE, RED and IC Approvals Wi-Fi 802.11 b/g/n Range up to 33 m Bluetooth® ConnectivityBluetooth® Low Energy (BLE)Range up to 15m Device Communication Modules Device Communicator Communication Module (C) HART terminal Enables HART device communication Connectors: Two Banana Jack Plugs Fieldbus (FF) Terminal Enables FOUNDATION Fieldbus device communication Connectors: Two Banana Jack Plugs Device Communicator Plus Communication Module* HART Terminal Enables HART device communication Connectors: Two Banana Jack Plugs Optional Internal Resistor: 250 or 500 Ohm Range: 3-22.5mA (current control); 0-24mA (current measurement)Resolution: 1 μAAccuracy: +/-(0.01% + 2μA) @ 23°C +/-5°CHART + Pwr Terminal Enables HART communication with the Trex unit, and provides power to one HART device in a bench setup, and supports
Loop Diagnostics functionalityConnectors: Two Banana Jack Plugs Includes HART power supply, resistors (167 Ohm), current control, and ammeter Range: 3 -22.5 mA (current control); 0 - 24mA (current measurement) Resolution: 1 μA Accuracy: +/-(0.01% + 2μA) @ 23°C +/-5°C mA terminal (External Ammeter) Measures current on a 4-20 mA current loop Connectors: Two Banana Jack Plugs Range: 0-24 mA Resolution: 1 μA Accuracy: +/-(0.01% + 2μA) @ 23°C +/-5°C Fieldbus (FF) terminal Enables FOUNDATION Fieldbus device communication Connectors: Two Banana Jack Plugs FF + FF Pwr Terminal Provides power to one FOUNDATION Fieldbus device in a bench setup Connector: One Banan Jack Pug (Power conditioner and two terminators included) Current Range: 0 - 38 mA Environmental Usage -20°C to +55°C (-4°F to 131°F) For IS approval: -20°C to +50°C (-4°F to 122°F) Charge +10°C to +45°C (50°F to 113°F) Storage with power module -20°C to +50°C (-4°F to 122°F) (less than 1 month) Storage without power module -20°C to +60°C (-4 °F to 140°F) Enclosure Rating IP54 Shock The unit shall survive a 1-meter, all sides and corners drop test onto concrete Upgrade Studio Requirements Installation Windows 10 Professional or higher Windows 10 Professional 1 GB of free disk space, USB port, and Internet access to activate and update TREX A Windows user account with Administrator privileges Ordering Information Model Product Description TREX2 Base Trex2 Platform(1) Code Communication Module(2) C Device Communication Module (HART + FOUNDATION Fieldbus) L Device Communicator Plus module (HART FF, ammeter, Power the Loop & Diagnostics App(3) Code Applications H HART Application F HART + FOUNDATION Fieldbus Applications(4) Code Power Module Type P Rechargeable Li-Ion Power Module Code Product Certifications KL ATEX, CSA (US/Canada) and IECEx Intrinsically Safe (includes FISCO as applicable) NA No Approval Code Radio Options W Wireless(5) 9 None Code Support(5) S1 Product Support (1 Year)(7) S3 Product Support (3 Years)(7) P1 Product Support + Repair (1 Year)(8) P3 Product Support + Repair (3 Years)(8) Code Option Codes (multi-select)(9) S Carrying Case Soft R Radar Master App(10) W WirelessHART Provisioning App(10) Basic HART Model Number: TREX2 C H P KL W S1 S Typical HART Model Number: TREX2 L H P KL W P1 S Typical HART/Fieldbus Model Number: TREX2 L F P KL W P3 S (1) Includes AC Adapter, USB Cable, Lead Set with connectors, Hand Strap, Approvals and Certifications guide, and Get Started flyer. ValveLink Mobile, Calculator and PDF Viewer applications are available at no charge once the AMS Trex unit is activated.
(2) FOUNDATION Fieldbus requires HART + FOUNDATION Fieldbus Applications license (F).
(3) Includes additional Lead Set with connectors and factory calibration of electrical measurements as per NIST standards
(4) Includes FOUNDATION Fieldbus Power Plug when ordered with Device Communicator Plus module (L).
(5) Includes Wi-Fi and Bluetooth® radios. Available only in countries where spectrum approval has been obtained. See www.emerson.com/trex.com for additional details.(6) Includes 12 months warranty against manufacturing defects unless otherwise stated.
(7) Includes technical support and software updates.
(8) Includes technical support, Trex updates and coverage against accidental damage.
(9) Multi-select option codes, leave blank if any combination of options are not desired.
(10) Only available on select AMS Trex models.Shipping Weight (varies with options) 6-7lbs/3.1kg (based on TREX2LHPKLWP3) -
Documents and Links Upload Date Size AMS Trex2 Datasheet 2025.11.07 1.2 MB