The POLI multi-gas detectors (MP400/MP400P/MP400S/MP400H) offer 4- or 5-gas monitoring of oxygen (O2), combustibles (LEL), numerous toxic gas options, carbon dioxide (CO2), and volatile organic compounds (VOCs). The MP400 is a basic 4-gas model with diffusion sampling, often configured with O2, LEL, carbon monoxide (CO) and Hydrogen Sulfide (H2S) for confined space entry compliance. The MP400P has pumped sampling and offers a full range of over 30 sensor options, including electrochemical (EC), pellistor, non-dispersive infrared (NDIR) and photo-ionization detector (PID). With 4 sensor slots the use of combination sensors allows up to 6 gases to be measured. The MP400S and MP400H are used in wireless communication systems for real-time monitoring of gas readings and alarm status, including man-down alarm, from remote locations for better visibility and faster response.  One MP400H head monitor communicates with up to 7 MP400S Soldiers.  Contact us for larger wireless systems with up to 32 monitors
 

• Available in diffusion or pump version
• Over 30 interchangeable sensor options, including PID for VOC, NDIR and catalytic for combustibles, and NDIR for CO2
• 4 Sensor slots for up to 6 gas measurements using combination sensors
• Real-time gas concentration readings
• Alarm status including Low, High, TWA, STEL and Man-Down alarms
• 6 Months continuous datalogging
• 16-Hour rechargeable Li-ion battery (diffusion version)
• IP-65/67 water and dust resistant case
• 360-Degree LED alarm bar; Flip screen
• Large graphical display icon-driven user interface through intuitive, simple-to-operate two-button user interface
• Easy access to pump, sensor, filter and battery
• Smart Sensors store calibration data, so they can be swapped in the field
• USB Micro charger & communications cable
• Optional POLI MonoDock station for automated bump test and calibration
• Wireless real-time remote team communication available (up to 32 monitors)

Gases Monitored
VOC, O₂, LEL, CH₄, CO₂, CO, H₂S, SO₂, NH₃, CL₂, CLO₂, COCL₂, H₂, HCL, HF, HCN, NO, NO₂, N₂O, PH₃, SO₂, ETO, CH₃SH, THT