The Emerson TREXLHPNA9S1S Device Communicator is an advanced handheld tool engineered for commissioning, calibrating, and diagnosing HART-compatible field devices. Built for demanding industrial environments, this communicator ensures efficient device management across a wide range of applications, from process automation to routine field maintenance.
With its intuitive touchscreen interface and robust processing power, the TREX communicator eliminates the need for laptops and bulky toolkits in the field. The device features an intrinsically safe design, making it suitable for hazardous locations.
Key Features:
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Supports HART communication protocols
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High-resolution touchscreen with glove-friendly interface
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Durable, intrinsically safe enclosure for field use
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Long battery life for extended operational periods
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Integrated Loop Diagnostic and ValveLink Mobile apps
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1-year standard support included
Compatible Chemicals:
Suitable for use in environments involving petrochemicals, solvents, industrial gases, and corrosive process media.
Included Accessories:
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Carrying case
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Power supply/charger
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USB cable
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Quick start guide
Compliance:
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IECEx and ATEX certified
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Meets global standards for intrinsic safety
Benefits for Lab Users:
Streamlines instrument configuration, enhances maintenance efficiency, and reduces downtime—ideal for labs and facilities requiring precise device communication in hazardous or remote locations.


