Handheld devices designed to simultaneously detect up to five gases, including O2, H2S, CO, NO2, and others; can also provide lower explosive limits (LEL); typically feature audible and visual alarms to alert end user of gas presence.
Draeger Safety Accuro™ Gas Detector Pump is a manually operated bellows pump that draws a calibrated 100 mL sample through the short-term Draeger-Tubes.