Scuba Instruments

Naked gauge has a 2-inch diameter with a 1.75-inch face (RG2762-NH). A Bourdon tube gauge, the Tech SPG is calibrated to 5000-psi in 100-psi incre...

Dive Rite compact SPG comes nitrox ready. Featuring a chrome-plated brass housing and a Bourdon tube mechanism, the Compact SPG has the greatest d...

Rated to 350 BAR in 50 BAR and to 5000 psi in 1000 increments, Dive Rite 1-inch Button SPG is ideal for use with pony, Argon and bailout bottles wh...

A clean, black and white face means the Mini Tech SPG is easy-to-read. This naked gauge has a 2-inch diameter with a 1.75-inch face (RG2762-NH). A...