PRIMAX® IR+ GAS DETECTOR
Reliable Combustible Gas Detection. Built for Demanding Conditions.
Detect combustible gases in the LEL range using field-proven infrared technology designed for reliable continuous monitoring in demanding industrial environments.
Suitable for combustible gas detection applications from 0 to 100% LEL.
Proven Across Critical Industries
Oil & Gas | Petrochemical | Power Generation | Utilities | General Industry
Dual IR Source
SIL 2 Suitable
Local or Remote Sensor
HART® Communication

Reliable Detection. Withstand Harsh Conditions. Deploy with Flexibility.
Field-proven infrared technology, rugged environmental protection, and flexible installation options provide dependable combustible gas monitoring across demanding industrial applications.
- Dual IR source design
- Continuous combustible gas monitoring
- 0 to 100% LEL measurement range
- SIL 2 suitable
- Heated optical system
- Patented sensor guard
- IP66 and IP67 protection
- -40°C to +75°C operating range
- Local or remote sensor mounting
- LED display and status indicators
- 4-20 mA with HART 7
- Two alarm relays plus fault relay
Dual IR Source Technology for Reliable Combustible Gas Detection
The PrimaX® IR+ Gas Detector uses field-proven infrared sensing technology to provide reliable detection of combustible gases in the LEL range. Its patented dual IR source design helps maintain continuous monitoring if a single infrared source fails.
Heated optics and a patented sensor guard help minimize obscuration caused by rain, fog, dirt, dust, and other environmental conditions, supporting dependable operation in demanding industrial environments.

PrimaX® IR+ Infrared Technology
✓ Patented dual IR source design
✓ SIL 2 suitable infrared sensor
✓ Heated optics for demanding environments
✓ IP66 and IP67 protection
✓ 10-year IR source warranty
Combustible Gas Detection Options
Measuring Range
0 to 100% LEL
Factory Calibrations
Methane • Propane
Additional Detectable Gases
Ethane • Ethylene • Butane • Isobutane • Pentane • Hexane • Propylene • Toluene and others
Learn More About PrimaX® IR+ Infrared Gas Detection
Discover how PrimaX® IR+ combines field-proven infrared sensing, dual IR source technology, and rugged environmental protection for reliable combustible gas monitoring.
Built for Demanding Industrial Environments
The PrimaX® IR+ Gas Detector is engineered for reliable combustible gas detection across harsh industrial environments. Its rugged construction, heated optics, and protected infrared sensing technology support dependable operation where environmental conditions can challenge conventional detection systems.
With local or remote sensor mounting, aluminum or stainless steel housing options, and IP66/IP67 protection, PrimaX IR+ provides flexible deployment across critical industrial facilities.
- -40°C to +75°C operating range
- Dual IP66 and IP67 protection
- Aluminum or stainless steel housing
- Local or remote sensor mounting
- 0 to 100% LEL combustible gas detection

Beyond the Product. A Complete Detection Solution.
Local Expertise. Global Technology.
Selecting the right detection technology is only part of the solution. Proper application assessment, detector selection, placement, commissioning, and ongoing support are critical to achieving reliable fire and gas detection performance.
Sherbiny combines globally trusted fire and gas detection technologies with local engineering expertise to help industrial facilities deploy effective detection solutions with confidence.
Product Selection Support
Receive guidance on selecting the most suitable gas detection technologies based on your application, hazards, operating environment, and monitoring requirements.
Application Engineering
Work with experienced specialists to evaluate process risks, environmental conditions, and detector deployment requirements.
Fire & Gas Mapping
Optimize detector placement and coverage through fire and gas mapping studies designed to improve detection performance and reduce coverage gaps.
Commissioning Assistance
Support during installation, configuration, testing, and startup to help ensure your gas detection system performs as intended.
Technical Training
Equip operations and maintenance teams with practical knowledge for operating, testing, and maintaining gas detection systems.
Local After-Sales Support
Access local support for troubleshooting, maintenance planning, product information, and ongoing system requirements.
Resources & Downloads
Let’s Find the Right Detection Solution for Your Facility
Whether you’re designing a new installation or upgrading an existing system, our team can help.
