

Yooreal Digital Water Temp Gauge & RPM Meter – Small Engine Monitor For Lawn Mowers, Tractors, Generators & More
About this item
If you’ve got a small engine – maybe a lawn mower, tractor, generator, or even an outboard motor – keeping an eye on temperature and RPM can save you from some costly breakdowns. This Yooreal digital gauge is a neat little device that does exactly that, plus a bit more. It’s waterproof (rated IP67), so a bit of rain or splashes won’t kill it, and it runs on a replaceable CR2032 battery that lasts a good while.
So, what does it track? First up, temperature. It can read from -20°C to +300°C (you can switch to Fahrenheit if you prefer), and it works for coolant, oil, or just about any fluid you want to monitor. If things get too hot, the backlight turns red to alert you – handy to catch overheating before it cooks your engine.
Then there’s the RPM function. It reads from 1000 to 25,000 RPM and can be programmed for different engine types – 2-stroke up to 3 cylinders, 4-stroke up to 16 cylinders. It shows current RPM and the highest RPM hit during your run, which is great for tuning or just making sure you’re not over-revving.
It also tracks engine hours three ways: total runtime (non-resettable, up to 99,999 hours), job time (resettable for individual work sessions), and a maintenance reminder you can set from 0 to 200 hours. So you’ll know exactly when it’s time for an oil change or filter swap.
Mounting’s easy – you can use Velcro, screws, or an optional bracket. The display has green/red backlighting and shuts off when not in use to save battery. All in all, it’s a useful little monitor for anyone running small engines, whether it’s on a farm, in a workshop, or on the water.
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