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⚡ Track your engine’s pulse like a pro — never miss a beat!
The NR-HM019J Digital Tachometer by Jayron is a compact, waterproof device designed for precise RPM measurement of gasoline engines up to 25,000 RPM. Featuring 9 programmable stroke modes, an easy alligator clip installation, and IP68-rated durability, it’s perfect for paramotors, chainsaws, generators, and more. Powered by an included lithium metal battery and supported by a 2-year warranty, it delivers reliable, professional-grade engine diagnostics wherever you go.
| Manufacturer | Jayron |
| Part Number | JR-HM019J |
| Batteries | 1 Lithium Metal batteries required. (included) |
| Manufacturer reference | JR-HM019J |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium Metal |
| Item Weight | 20 g |
L**.
Works
Works well good too to have
A**R
Very good value
Works well saves slot of time
P**L
does what it says "on the box"
Surprisingly accurate NOTE.... permanently powered up but that is the "nature of the beast"
R**F
Works perfectly
Works perfectly on my 4 cylinder Yamaha and my 2 cylinder Yamaha.Good buy
N**L
Ease of use, ability to achieve accurate rpm settings...
quick delivery, used immediately to set engine RPM to manufacturer specification, simple to use giving accurate readings.
A**R
Great useful tool a must
Accurate works well. Does what is says it will.
R**Y
Simple, low cost tacho. Hassle free fitting. Usable on a range of engines.
Really simple low cost product. Works via induction. No hardwiring required. Accurate digital display Used it to check a faulty tacho. Useful item to have in your tool kit.
Trustpilot
1 week ago
1 month ago