A practical 4-gas monitor built for everyday work

Axen AX4 is a practical 4-gas monitor built for contractors, rental fleets, and everyday gas monitoring. Built for simplicity and reliability, the Axen AX4 is ready to be picked up, turned on, and trusted from the start to the end of the shift.

Easy to use - Simple operation with minimal training required

Reliable - Proven Industrial Scientific technology for consistent performance

Already Ready - Long Battery life & fast charging help keep monitors ready across shifts

Practical - A strong fit when simplicity & cost both matter

Ideal for:

  Contractor fleets / Rental programs / Shutdowns & turnarounds / Industrial safety operations

Also available: practical single-gas protection

When workers only need protection from a single gas hazard, Industrial Scientific provides a simple, dependable alternative that's compact, lightweight, and ready for work right out of the box.