Honeywell BWRR100P BW RigRat Area Gas Monitor With Pump designed to detect gas and house up to 6 toxic sensors.  This is available as a diffusion model or a pumped model. Honeywell BW RigRat is so easy to use that workers can operate it with confidence, trusting it to alert them to gas threats in their proximity — indoors and out, in temperatures from -40 to +140°F (-40 to +60°C). Suitable for various applications including area monitoring, confined space entry, inert gas applications, fence line monitoring, welding tents, compressed air monitoring, leak monitoring, and shutdown controls.  Choose from Bluetooth-only models, mesh models capable of connecting to specific portables gas detectors and MeshGuard systems, and also WiFi compatible models.