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For more than 10 years, Runleader has focused on product development and manufacturing in the fields of hour meter, battery indicator, multi-function meter, controller,service for the garden machinery industry, outdoor power vehicle equipment, transportation vehicles, such as: generators, pumps,chainsaws,outboards,lawn mowers,compressors and others,provide well-known European and American customers with quality products and services.
- RL-HM011J is a useful digital hour meter tachometer which contains working hours tracking,maintenance reminder and engine RPM recorded and alert.
- It with default white backlight which can help you to use it at night or dim place, the red backlight will be displayed to remind you the maintenance arrival and RPM exceed.
- It equipped with wire of alligator clip which convenient to connect with engine spark plug easily.
- It have built-in replaceable battery CR2032 with long running lifetime.
Runleader RL-HM011J Digital LCD Hour Meter Tachometer with alligator clip, Maintenance Reminder,RPM Alert,Backlight Display,Battery Replaceable.
2. Gas Engine Tachometer
- Real-time RPM: Record the engine real-time RPM value when it run, help to calibrate the accuracy by 9 engine firing patterns.
- MAX RPM: Display the maximum RPM value since engine start to work, which can be reset.
- RPM ALERT: Alert the RPM running exceed based on the preset RPM alert value.
- √ RPM measurement range:0 to 25,000 RPM.
- √ RPM measurement range: 100 to 25,000 RPM.
1. Digital Hour Meter
- TOT hours: Keep track and display the total running hours when it pickup the engine working signal, with ability to set an initial hours to replace an new meter.
- JOB timer: It record the engine running hours during a single period, which can be reset.
- SVC Maintenance timer : It help to schedule the regular maintenance for engine components, remind the maintenance arrival time.
- TOT & JOB range: 0 to 999,999 hours.
- SVC timer range: 1 minute to 9999 hours 59 minutes.
- √ White & Red backlights display.
- √ Replaceable built-in battery.
- √ Well-completed mounting accessories.
Runleader has established a complete laboratory for testing and improving the product's quality
Buttons Testing
The buttons can works well after 10,000 repeated taps with a 300g weight.
Drop Testing
Favorable anti-vibration performance can suffer strong vibrations when the equipments is working.
High & Low temperature Testing
It can works well in temperature environments temperature: -40 °C - +70 °C
High Pressure Washer Testing
Display with PC transparent board can keep it away from the damp or moist.
It also prevent the strong shock when it is cleaning.
Anti-vibration Testing
Favorable anti-vibration performance can suffer strong vibrations when the equipments is working.
Yellow Resistance Testing
It keep good working condition upon static interference test. It also pass another considerate test for each functions sections and attached accessories.
Installation Methods
Pondboy
Reviewed in Canada on February 20, 2025
Kudos to this seller, well package and item was in a good condition.
Toymkr
Reviewed in the United States on January 22, 2025
It appears to be well engineered and made. I'll know more after running it for a few hours.Note to manufacturer!: The supplied battery had been jammed into place and damaged the side contact spring by crushing it flat. I was able to lift and straighten it by use of some of my dental tools but that should not have been needed.The side contact spring design needs an improved design revision to one that is less prone to damage during battery installation. The spring material is of very good quality but the sharp contact edge can be caught on the edge of the battery and then bent when battery is snapped into place. When that happens the battery no longer makes contact and the unit cannot work.
Patrick S.
Reviewed in Canada on September 20, 2024
Truly a piece of junk - package already opened and replaced junk - not worth looking at
Suzette McDonnell
Reviewed in Canada on August 5, 2024
I bought this for use in small engine diagnostics, the clamp is well made and insulated and over all the unit is functioning as it should.I did find that the instruction on setting the unit for different number of cylinders did not match what I was seeing however I just cycled through until I found the correct setting, not hard at all.
Michael
Reviewed in the United States on March 28, 2024
Device didn’t work, defective. First one did not work so I ordered another one which was defective as well. Purchased a third one different brand works great. Can not recommend the runleader rpm checker/neter…
Deb O.
Reviewed in Canada on March 11, 2024
I particularly liked the fact that it could pickup the RPM just by having the clip close to the spark plug or wire. No need to clip it on if you are just wanting to do a quick check. It will also pickup through shrouding.
Sal
Reviewed in the United States on February 5, 2024
Had to calibrate a new tachometer in a boat and this did the trick. Works as expected. Had to find the correct setting then all was well.
Simon
Reviewed in Canada on October 3, 2024
Perfect for many kind of engine
W. M. Newsome
Reviewed in the United States on August 28, 2023
Purchased the RL-HM011J from Amazon for less than $20! It arrived within 2 days, perfect condition and well packaged. When I clipped it to the spark plug wire of my ZTR lawn mower, it provided the RPMs immediately. Surprisingly, the RPMs displayed matched identically to another Runleader hour/tach device I purchased and installed a week earlier (model: RL-HM011F). While both devices appear to be very precise and accurate (+/- 10 RPMs), for a few dollars more one can have the RL-HM011J model that has the alligator clip, warnings, back lighting, maintenance notices and a plethora of functions and metrics that can monitor various engine functions that can be either turned on of off. note: It is critical the proper engine configuration is selected in order for the tachometer to provide the correct readings. When I first used mine and saw my RPMs were a little lower than expected (3250 no load and 3170 under load), first thing I wanted to do was up the RPMs. However, via research I soon found that "most" lawn mower manufacturers do NOT set their mowers up to operate at the maximum RPMs per the engine manufacturer. To arbitrarily start tampering with engine speeds can upset manufacturer's torque curves, the speed with which your hydro static transmission (Hydro Gear, etc.) are set to operate (too high RPMs can ruin a hydrostatic transmission designed to run at lower RPMs) and per your deck design and blade pitch. These are all spec'ed by the manufacturer. However, if running below lawn mower manufacturer's spec. then an adjustment may be advised. In my case, my RPMs were in line with what manufacturer had spec'ed for this model and the beautiful cut it always delivers. I highly recommend the Runleader RL-HM011J and their more basic RL-HM011F.
Michael A Glass
Reviewed in the United States on August 25, 2023
Full speed lawn tractor was only reading 2200 rpm, idle 1700. Setup menu was a PIA to step through.
WaJoCo
Reviewed in the United States on July 7, 2023
I have been using these type of units for years on the lawn tractor, and on the sailboat 9.9 horse outboard. They are very useful and quite reasonably priced. This one has some more features, allowing you to see what the maximum rpm was while you used it, and what the highest rpm was the engine ever hit. It also will give you an alert when it is time to change the oil, and or do other maintenance. The battery is easy to replace, and it is the very common and inexpensive CR 2032 battery.Overall I like this engine monitor a lot, and I definitely recommend it!
Leon Roberts
Reviewed in the United States on November 17, 2023
Easy to use easy to read looks good
JR & Crystal
Reviewed in the United States on October 25, 2023
1 month and 5 days and we get a rain and now this product is ruining but it states its waterproof I'm glad I did not waste the time to throw the hose in my instrument panel on my lawn mower to mount this I try contacting the seller through razon Amazon says it's past the 30-day return point this product should last more than 30 days especially when it states that it's waterproof and shows it mounted in the open in the pictures I hope The seller contacts me and replaces the item so I can make a better review but at the moment this product is not worth my money and it was a waste of my money
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