airCap HR is a solar-powered, high-accuracy pressure gauge which is compatible with the Halkey-Roberts New Short valves used in Water Master Rafts. The airCap HR has an over-pressure alarm that the user can turn on or off and set to any value between 0.5 and 20 psi. Efficient, solar-powered, battery free, long-life operation Performs in low-light at dusk, dawn and by headlamp High-visibility, easy-to-read LCD displays pressure to one hundredth of a psi Make-before-break seal prevents air escape during installation Comes with pre-installed tether. Tether use is optional
