millercarbon
The Shure stylus force gauge is a plastic and metal teeter-totter.... that the carefully used is about as accurate as any digital gauge ...The Shure is accurate as far as it goes, but it's nowhere near as precise as a good digital gauge.
... it costs a lot less and relies on gravity which I'm told is more reliable long term than batteries.If batteries not sufficiently reliable for you, perhaps you should consider installing a hand crank on your car to help you get it started.