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Gas Expansion Module Now Shipping

We are excited to announce that the EXO 8’s Gas Expansion Module is now available! EXO 8 is Blackline’s next-generation direct-to-cloud connected portable area monitoring solution. With the Gas Expansion Module, EXO 8 is the world's only area monitor capable of detecting up to eight gases and gamma radiation.

The first two Gas Expansion Module sensor combinations are now shipping:

  • Hazmat #1 – NH, Cl, HCN, PID 
  • Wastewater #1 – NH, HS, Cl, PID 

The next two module sensor combinations will begin shipping in November:

  • Refinery/Chem #1 – SO2, PID
  • Refinery/Chem #4 – NH3, H2S, SO2

Additional Gas Expansion Module sensor combinations will become available in early 2026.

Firmware Requirements

Prior to installing the gas expansion module, you will need to update EXO 8 to firmware version 4.2, which includes the framework required for the Gas Expansion Module to operate when installed in EXO 8 or EXO 8 Gamma. For more information refer to the What’s New in the October 2025 EXO 8 Update notification.

Technical Support 

If you have any questions, please contact our Technical Support team. 

North America (24 hours) 

Toll Free: 1-877-869-7212 | support@blacklinesafety.com 

United Kingdom (8am-5pm GMT) 

+44 1787 222684 | eusupport@blacklinesafety.com 

International (24 hours) 

+1-403-451-0327 | support@blacklinesafety.com