You perform a quick "bump test" by applying a known concentration of gas. The transmitter displays the reading, confirming the pre-calibrated sensor is communicating correctly with the main board without needing a full span calibration. Key Quick-Start Specifications Power Supply 16 to 32 VDC (sensor dependent) Communication 4-20mA with HART (standard); Modbus or Fieldbus (optional) Display Backlit LCD with text, bar graphs, and status icons Mounting Surface lugs, pipe mount (2–6"), or ceiling bracket Operating Temp -40°C to +65°C (-40°F to +150°F) Important Maintenance Tips
: The XNX is certified for worldwide use in hazardous environments. For explosion-proof integrity, the cover must be fully seated with at least 9 threads engaged , and conduit runs must have a seal fitting within 18 inches (45cm). Wiring and Power Specifications Xnx Universal Transmitter Quick Start Guide
: Approximately 196.85 mm (7.75") wide and 113.8 mm (4.48") deep. You perform a quick "bump test" by applying