Hall switch wire length: 1m. Hall sensor: NPN type 5V. Magnet and Hall switch installation:. Hall switch front and magnet effective distance <5mm, magnet N pole effective. Panel opening: length width 76mm 39.5mm.
eBay
Programmable Maintenance hour setting with service Icon, a reminder when to change oil or other service. Work on any 2 or 4 stroke gasoline powered engine. With wrap black wire around sparkplug wire, can work on all spark ignition engines by selecting engine type using S1 and S2 buttons.
eBay
After 2 minutes of no signal, it will automatically switch to sleep mode to save power and wake up to work when needed. The recordable rpm range is 0-18000. The previous data can be recovered after replacing new battery.
eBay
eBay
Replaceable battery ,Shutdown function and waterproof design.
eBay
Key features include a robust design and high precision, making it ideal for industrial applications. Typical uses involve monitoring engines, turbines, or conveyor belts. Rotational speed (optical) 2.5 - 99999 U/min.
eBay
Stability reference IC and stick chip components, the circuit design. Display type:LED display. 1x Hall switch. White Cable length:160mm. Over-range display: the thousand unit display "1" or "-1", the last three do not show.
eBay
2--- Stroke Misunderstanding: Don't take 02 mode as 2 stroke, 03/04 mode as 4 stroke, this is a misunderstanding. If the 02 mode reads exactly 1000RPM, then it corresponds. The reason why we don't use 02 to correspond to a 2-stroke and 04 to correspond to a 4-stroke is because there are a lot of unconventional engines on the market itself, and you can't fix one mode to fit all engines.
eBay