RKI H2S 20 ppm / CO 60 ppm / CH4 29% LEL / O2 15% in N2 34AL Calibration Cylinder Part# 81-0141RK-04 Depth Indicator • PTFE and stainless steel

• PTFE and stainless steel probe with spring strain relief

exposure to carbon monoxide [GW-3(CO)] or exposure to hydrogen sulfide [GW-3(H2S)]

6 eV (low or high range)

and reliability in soil gas sampling and pressure measurements for vapor intrusion mitigation

RKI H2S 20 ppm / CO 60 ppm / CH4 29% LEL / O2 15% in N2 34AL Calibration Cylinder Part# 81-0141RK-04 Depth Indicator • PTFE and stainless steelRKI H2S 20 ppm CO 60 ppm CH4 29% LEL O2 15% in N2 34AL Calibration Cylinder Part# 81 0141RK 04 Bring some order to your calibration cylinders with these new calibration cylinder holders. Once cylinders have a regulator connected, they become top heavy and easily topple over. With RKIs new cylinder holders, you can secure your cylinder either free standing or mounted to a wall or bench. There are holders available to accommodate the following three