Abstract: A shielded tubular gauge for placement between two spaced apart fittings connected to a vessel to show the level of liquid in the vessel, including an elongated frame having a U-shaped cross-sectional configuration, a connection housing secured to each end of the frame and each having an opening therethrough, the opening being internally threaded in the outer portions thereof, a transparent tubular member received in the frame and in the housings openings, a packing nut received in the threaded opening in each of the housings, each of the packing nuts having a portion extending beyond the housing providing a cylindrical surface receivable in the fittings attached to the vessel, an elastomeric packing ring within each housing engaged by the packing nut and compressed against the exterior of the tubular member and a protective shield, such as of transparent material like polycarbonate or expanded metal, received in the frame providing protection for the tubular member.