Emerson TREXCHPKLWS3

Emerson Process TREXCHPKLWS3 Trex Device Communicator, HART Application, Certified, Wireless Capability, 3 Years Standard Support.

The Emerson TREXCHPKLWS3 Trex Device Communicator is a next-generation field communicator designed for reliability, durability, and ease of use in industrial environments. Built to withstand harsh field conditions, it features a rugged enclosure (IP54-rated) and has been shock-tested to survive 1-meter drops onto concrete. The 5.7-inch color VGA resistive touchscreen enables one-handed operation, ideal for field technicians managing various process instruments.

Equipped with HART communication protocol, this model ensures compatibility with a broad range of devices, regardless of the manufacturer. It also supports Wireless, Bluetooth, NFC, and Wi-Fi connectivity, streamlining diagnostics, data transfer, and remote syncing with AMS Device Manager.

With 32 GB of extended flash memory, powerful processing via an 800 MHz ARM Cortex A8/NXP microprocessor, and a robust lithium-ion power module offering 8+ hours of continuous use, the TREXCHPKLWS3 is an all-in-one communicator built for demanding industrial applications.

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Key Features

• Supports HART Application with universal device compatibility

• Wireless, Bluetooth, NFC, and USB connectivity options

• Intrinsically Safe Certifications: ATEX, CSA (US/Canada), IECEx (with FISCO support)

• Power the Loop Functionality – power field instruments directly

• Built-in 32 GB Flash Memory + 2 GB NAND internal storage

• Advanced diagnostics to quickly resolve device issues and configure valves inline

• AMS Device Manager Synchronization for automated field data transfer

• High-resolution 5.7” Color VGA Touchscreen for outdoor usability

• 8+ Hours Battery Life using lithium-ion power module

• Shock-tested for rugged environments; IP54 Enclosure Rating

• Upgradeable firmware and apps online

Explore more in our Communicators collection or discover related tools in our full Process Instruments category.

What’s Included

• 1× Li-Ion Power Module

• 1× HART Application

• 1× Bluetooth, WiFi, and NFC Radios

• 1× CSA Certification

• 1× ATEX Certification

• 1× IECEx Intrinsically Safe Certification

• 3× Years of Standard Support

Technical Specifications

Ideal for:
Industrial technicians, maintenance teams, and engineers who need a reliable communicator for HART-enabled devices across hazardous or field-intensive environments.

Need assistance calibrating your communicator? Discover best practices in our article: How to Build a Calibration Schedule That Ensures Compliance.