Industrial Scientific Ventis® MX4 Multi-Gas Monitors 

The Ventis MX4 is a compact, multi-gas monitor available in both aspirated and diffusion versions. Both highly configurable and iNet compatible, the Ventis MX4 meets gas detection needs with ease. It is the ideal instrument for monitoring one to four gases in confined spaces and nearly any other potentially hazardous environment.


  • Detect from one to four gases with a wide range of sensor options
  • Draw samples from up to 100 feet (30 metre) with an optional, integrated sampling pump
  • Gain increased instrument visibility with a safety orange overmold
  • Realize true portability with multi-gas protection in single-gas size
  • Use the extended range battery for up to 20 hours (without pump)
  • Discover a better way to do gas detection with the Ventis on iNet


  • SENSORS: Combustible gases/methane - Catalytic Diffusion, O2, CO/H2 low, CO, H2S, NO2, SO2 - Electrochemical
  • WARRANTY: Two- year warranty, including sensors and battery
  • CASE MATERIAL: Polycarbonate w/ protective rubber overmold
  • DIMENSIONS: 103 mm x 58 mm x 30 mm (4.1" x 2.3" x 1.2") - Ventis lithium-ion battery version

                       172 mm x 67 mm x 66 mm (6.8" x 2.6" x 2.6") - Ventis with pump lithium-ion battery version

  • WEIGHT: 182 g (6.4 oz) - Ventis, lithium-ion battery version

                             380 g (13.4 oz) - Ventis with Pump, lithium-ion battery version

  • TEMPERATURE RANGE: -20°C- 50°C (-4°F-122°F)

Aspirated Version