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Prima XIR Gas Transmitter

Every feature of the PrimaX IR Gas Transmitter is designed with reliability in mind to withstand the most challenging environmental conditions through out the product’s life. MSA’s PrimaX IR Gas Transmitter offers LEL (Lower Explosive Limit) combustible gas detection through a patented PrimaX Gas Transmitter IR dual source design. A redundant IR source provides reliability and uninterrupted monitoring should a source failure occur. Furthermore, the possibility of obscurations due to rain, fog, dirt, dust, and other environmental conditions is minimized due to dual source design.

Prima XIR Gas Transmitter

Approvals and standards

CE EMC Directive: 2004/108/EC
CE ATEX Directive: 94/9/EC II 2G Ex d IIc T4


Combustible Detection
Oxygen Detection
Toxic Detection


Combustible Atmosphere
Oxygen Deficiency
Toxic Atmosphere

Features and benefits

Dual source design

Provides redundancy and reliable, uninterrupted performance

Environmental guard sensor housing Fast, efficient response time

Heated optics

Prevents condensation build-up

4–20 mA analog output

Setup, calibration diagnostics, and maintenance via HART digital communication

User-friendly operation

One-person calibration

Easily performed using calibration cap

Aluminium or stainless steel junction box

Easy connection

SIL 2 design

Provides safety system integration capability


General Industrial
Oil & Gas
Water Treatment