The BW Ultra gas detector from Honeywell is a portable monitor with a built in pump, capable of detecting up to five gases. Available sensors include VOC, LEL, CO, H2S, O2 CO2, SO2, NH3, H2, Cl2, NO2, HCN and NO. The Ultra has been designed with confined space monitoring applications in mind.
BW GasAlertMicro 5 series portable gas detectors simultaneously monitors and displays up to five potential atmosphereic hazards. This pumped, rechargeable battery monitor configuration includes sensors for monitoring the following gases: O2 (030% volume), LEL (0100%), SO2 (0150 ppm), and NO2 ( ppm).