Xnx Universal Transmitter Quick Start Guide Jun 2026

: The unit must be earthed/grounded for electrical safety and to minimize radio frequency interference (RFI). Internal and external ground points are provided. Operation and Configuration Quick Start Guide XNX Universal Transmitter

Define the full-scale range (e.g., 0-100% LEL, 0-50 ppm, etc.).

Disconnect the gas supply. The XNX will temporarily hold the 4-20mA output in a "Maintenance" state to prevent false alarms at your controller while the residual gas clears from the sensor. 7. Basic Troubleshooting and Fault Codes Xnx Universal Transmitter Quick Start Guide

To ensure accurate gas detection, perform a zero and span calibration during commissioning. Step 1: Zero Calibration

Remove the calibration gas. Wait for the gas reading to return to normal ambient levels before exiting the menu to prevent false alarms on your control system. : The unit must be earthed/grounded for electrical

Never open the enclosure while the unit is energized in a hazardous location.

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Ensure the transmitter is powered off before connecting or swapping a sensor.

—the two places where things usually go wrong [1, 3]. It’s essentially a "Cheat Sheet" for: Ensuring you don't put the sensor where it’s useless [3].

Before any installation or maintenance, you read and understand the XNX Safety Manual (document number 1998‑0808). Key safety precautions include:

The XNX utilizes a non-intrusive interface operated via a magnetic wand. You do not need to open the enclosure to navigate menus or calibrate the unit.