Weems & Plath makes a digital barometer: Weems Plath Nautical Products; Commercial Grade Marine Navigation Tools and Gifts for Boating Enthusiasts
I've seen it for about $150. It has tracking graphs to look back at trends and alarms to warn of sudden drops in pressure.
We bought the original version (not available now) for about $70 as recommended by Larry Dashew. Works well so far.
I've seen it for about $150. It has tracking graphs to look back at trends and alarms to warn of sudden drops in pressure.
We bought the original version (not available now) for about $70 as recommended by Larry Dashew. Works well so far.