HART AMS Trex™ Handheld Communicator

This rugged handheld device is compatible with every Det-Tronics detector that is HART® capable. The new AMS Trex™ Field Communicator (Trex) incorporates unique features that simplify your work on the bench and in the field.

Visit this site to download the most current software for the Trex device.

Specifications, Features & Capabilities

• Supports Det-Tronics HART-based flame and gas detectors listed below
• 5.7 in (14.5 cm) color VGA resistive touchscreen
• Enhanced user interface
• Rugged, intrinsically safe design
• IP54 enclosure rating
• 512 MB DDR3 SDRAM
• Battery delivers over 8 hours of typical use
• Operating temperature range: -20 to 55°C (-4 to 122°F)

Note: Unless otherwise indicated, detectors are HART 7 capable. HART 5 detectors will be updated to HART 7 by 12/31/2019.

HART 475 Handheld Communicator

The HART 475 Handheld Communicator is no longer sold and support will end October 31, 2020. Emerson recommends the AMS Trex as the replacement.

Please check out these links at the Emerson website for more information and resources for your 475 Handheld Communicators:

Communicator Support

Downloads - Specifications, drawings, manuals, certificates and more