RKI Instruments 72-PAX-C-58 GX-3R Pro, 4 gas, LEL / O2 / combo H2S & CO bundled with with RP-3R, 10 hose & probe

The GX-3R Pro is the world??s smallest 5-gas monitor weighing only 4.58 ounces and fits in the palm of your hand (2.9? W x 2.6? H x 1.06? D). It simultaneously monitors and displays 5 different gases. In addition to monitoring standard confined space gases, LEL, O2, CO, & H2S, the GX-3R Pro has a 5th channel where you can add infrared or toxic sensors. Two of the four sensor slots have interchangeable sensors providing flexible configurations, which can easily be changed in the field.