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Docooler Digital Hour Meter Gauge LCD Inductive Hour Meter

Docooler Digital Hour Meter Gauge LCD Inductive Hour Meter

for Gasoline Engine Racing Motorcycle ATV Mower Marine ATV Motorcycle Dirt Ski Waterproof 0.1/99999Hrs

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Features:
Suitable for all gasoline engines.
Large LCD display for easy reading.
Inductive design: You just need to wrap the wire around the spark plugs.
Powered by built-in batteries (service life: about 3 years).
Simple installation and waterproof.
Used to record running time of engines.

Specifications:
Color: Green
Material: ABS
Reading: 99999Hrs
Accuracy: 0.1HRS
Waterproof grade: IP68
Power: 1 * CR2450 battery
Battery life: 3 years
Wire length: 110cm / 43in
Hour meter size: 5.4 * 3.7 * 1.5cm / 2.1 * 1.5 * 0.6in
Product weight: 36g / 1.3oz
Package size: 17.5 * 10 * 1.7cm / 6.9 * 3.9 * 0.7in
Package weight: 65g / 2.2oz

Package including:
1 * Hour Meter
1 * Wire
2 * Screw

Customer Questions & Answers

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0 votes
Q

Does this show rpms

A
  • No just shows run time.

    By JW on April 12, 2018

See more answers (6)
0 votes
Q

Is it ok to cut off excess wire? Seems thats a better solution than zip tie.

A
  • Yes, I trim all the excess wire off of mine. Have this on 2 machines with 0 issues

    By Austin on April 7, 2018

See more answers (1)
0 votes
Q

Do you need to change the battery ?

A
  • No , you throw it away when the battery goes dead in 3-4 years .

    By BOB on April 6, 2018

See more answers (2)
0 votes
Q

Why does it have 66 to the left of the hours from the very start and when it got to 99 hours, the next time I checked it, it read 40 !??!

A
  • I never had that problem before I own two of these are use them on my boat the only thing I can think of is if you have the meter or I should say the wire too close to an electrical source it could be picking it up thinking that it's actually running and it will count how long that is running for but I have no explanat… see more I never had that problem before I own two of these are use them on my boat the only thing I can think of is if you have the meter or I should say the wire too close to an electrical source it could be picking it up thinking that it's actually running and it will count how long that is running for but I have no explanation on the times I never had that happen I have two of them they worked flawlessly see less

    By Just me on March 12, 2018

0 votes
Q

Step 2 "Insert the pickup wire into the rear of the meter" I see no openings. Does the wire just tuck into the slot on the bottom rear of the meter?

A
  • Yes. Just tuck it in the length of the body slot and your done.

    By Mark Patterson on March 8, 2018

See more answers (3)
0 votes
Q

How do you calculate the real run time given what is displayed on the screen?

A
  • It displays the run time, it shows hours and then each tenth of an hour.

    By Amazon Customer on February 19, 2018

See more answers (1)
0 votes
Q

will this work on electric motor ac powered

A
  • no. It has to be hooked to a spark plug. but for gasoline engine the thing works great.

    By Rickey on February 7, 2018

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0 votes
Q

will this work on a 40hp 3 cylinder outboard?

A
  • It works by inductively sensing current in the spark plug wire so you should have no problem.

    By OhReally on January 19, 2018

See more answers (4)
0 votes
Q

Would this work for a 1980 snowmobile?

A
  • As long as it has a spark plug wire to pick up a signal from.

    By Seth P on February 7, 2018

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0 votes
Q

Could I wrap the wire around one of the conductors of a 110 VAC wire to record how much time 110 VAC power is applied to that wire?

A
  • My old tiny tach could be zeroed, and then reset back to X hrs that way, think it had to be single wire not cord with 2 wires.

    By Kevin on January 25, 2018

See more answers (1)

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Customer Reviews

Average Rating:

4

based on 268 Customer Reviews

  • 5 stars
    2%
  • 4 stars
    95%
  • 3 stars
    3%
  • 2 stars
  • 1 stars

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  • By Ryan Lester

    September 21, 2017

    Bought this for a Predator 212. It screwed right into the airbox without a drill. and I coiled it around the spark plug 7 times so it would register. My wire was roughly 4 feet long. It works as it should. There is a battery on these things and only time will tell how long it lasts. The thing is sealed so either you will have to break it open to swap the battery or buy a new one. But if it were to not be sealed then it wouldnt be waterproof so nobody can really find one thats waterproof and not sealed. But overall I do recommend this product

    Is this helpful? (0) (0)

  • By Online Shopper

    August 20, 2017

    Purchased for my Honda eu2000i generator (that does not come with an hour meter). Five wraps around the spark plug wire starting at the boot and easy to fish the wire thru to the meter mounted (via provided screws) to the top of the case near the handle. Cut away the excess wire that was not needed and it starting working when the generator was started. Measures tenths (one 10th = 6 minutes) and whole hours. This is needed to track when to change the oil. Only likely issue will be the non-replaceable battery.......when it runs out, time to buy another one. Unsure how long battery will last.

    Is this helpful? (0) (0)

  • By Benjamin B.

    August 16, 2017

    It works. Instructions didn't mention where to put the other end of the wire, but it's pretty obvious I guess (in the slot of the meter's case). Meter display remains on at all times, the little hour-glass blinks when the motor is operating (if you wired it correctly and it's not broken). It remains to be seen how long it'll last being on all the time like it is, but as long as I write down the time every couple weeks or so I should be fine even if it dies. For a few bucks, it's not bad. For installing the wire, I zip-tied one end parallel to the plug wire, made a 90-degree bend and wrapped it tight exactly 5 times (ending on the same side of the plug wire that I started on), made another 90-degree bend to get parallel again, then zip-tie tight so the coil doesn't get loose. Would have also put heat-shrink on at this point, but didn't have any big enough to fit over the boot that could also shrink to fit the wire. After installing the coil, I simply routed the wire around the motor shroud, installed the meter on the wire where I wanted it mounted, then stuck it in place with some heavy-duty scotch 3m fasteners.

    Is this helpful? (0) (0)

  • By Joseph

    August 4, 2017

    Bought this to track the hours on my Crraftsman R1000 lawn tractor. Works great. I used double sided 3M outdoor tape to attach it on a recessed area near the oil cap. Just a few minor things to be aware of; I needed to remove many parts from around the engine to get at the spark plug wire. Not a fault of the meter. Just the nature of the design on this particular mower. When I finally got to the plug wire, I wrapped the sensor wire 5 times around the spark plug wire approximately 3/4" from the boot. I tie wrapped everything securely and routed the sensor wire up to an opening near where I planned on mounting the meter. I ended up with about 6" of extra wire length, so I snipped that off to keep everything neat. The instructions are not clear on how the wire inserts into the meter. I ran the wire the full length of the meter and forced it all the way into the base pf the slot. Also be aware that although the instructions refer to double sided tape, there is none provided. They do give you two small self tapping screws which you could use if you wanted to drill a couple of holes. The meter is very light in weight, therefore I used my own double sided tape to securely attach the meter, without using the screws. One other minor thing, again not a fault of the meter, is the red color. From the picture, I thought it would match the red panels on my mower. This isn't the case. If I knew there would be such a noticeable difference in color, I would have ordered black. But that's just me being OCD! All in all, the meter does the job, and I feel it is well worth the money.

    Is this helpful? (0) (0)

  • By Marjorie W. Dunaway

    October 3, 2016

    by Marjorie's hubby: I bought 2 of these to put on my snow blower and generator to track usage. Finally got round to installing one on the snow blower. The concept is simple but my snow blower engine is encased in several shrouds and it was tough to access the spark plug cable. Once I got there and managed to get the 5 wraps on, things were simple. BUT for a few moments I was uncertain how to install the wire on the unit - it is simple, just tuck the wire in the slot along the base of the unit. A little more instructions on the card would help. I held back a star as I've only had it installed for 2 days - but I like it a lot - hope it is durable. I was surprised that it recorded I'd run the machine for 2 hrs already. Now I hope to be more prompt and diligent in oil changes. I expect it will pay off in better maintenance and longer life of the engine. Now to install on the generator which also has a deeply buried spark plug..

    Is this helpful? (0) (0)

  • By Mark Nakamura

    August 22, 2016

    Hooked this up to my new Yamaha EF1000 generator and it works great. Easy to install (just wrap one end of the included wire around the spark plug wire close to the plug and stick the other end into the slot on the meter. It comes with two screws to attach it but I used double sided tape and placed it on top of the generator spark plug access hatch. Good price (half that of the Yamaha branded version) and seems to be working just fine. It has an internal non-replaceable battery and I am not sure how long it will last, but for the price if I get 2 or 3 years use out of it I will be happy.

    Is this helpful? (0) (0)

  • By Mr.Plow9

    August 18, 2016

    It works. Wish you could change the battery when it goes dead. I installed this on my generator. It reads in tenths. So .5 is 30 minutes, 1.0 is 60 minutes, 1.5 is 90 minutes and so on. Hook up was easy. Just wrapped the wire around the end of the spark plug wire, as close to the spark plug as I could, 5 times. Instructions are vague. The wire needs to be inserted the full length of the slit in the back of the meter. Does not explain this in the bad directions. If I could change the battery, this would be 5 stars. Overall I'd buy this again and recommend it to others.

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  • By 0***r

    April 6, 2017

    A++

    Is this helpful? (0) (0)

  • By G. S.

    July 20, 2016

    This item was easy to install and works like a charm. Don't know how long it will last but for now it is keeping track of the hours my generator is running. Arrived quickly and instructions were easy to follow. Watched a couple of videos online about installation and 5 minutes later it was hooked up.

    Is this helpful? (0) (0)

  • By j***2

    December 21, 2015

    ras

    Is this helpful? (0) (0)

  • By w***r

    September 10, 2015

    Parfait

    Is this helpful? (0) (0)

  • By s***4

    September 8, 2015

    Super! ;) immer Gerne wieder!

    Is this helpful? (0) (0)

  • By b***n

    September 6, 2015

    Super

    Is this helpful? (0) (0)

  • By s***s

    September 4, 2015

    Superschneller Versand und Wäre wir beschrieben

    Is this helpful? (0) (0)

  • By m***r

    April 28, 2015

    Great will do business again .thanks

    Is this helpful? (0) (0)

  • By k***3

    March 31, 2015

    ++++ Schneller Versand, TOP Artikel. Gerne wieder ++++

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  • By w***l

    March 18, 2015

    Quick Shipping - Easy Transaction - Thanks!

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  • By k***0

    March 11, 2015

    Item is as described, looks great!

    Is this helpful? (0) (0)

  • By r***2

    February 24, 2015

    +++

    Is this helpful? (0) (0)

  • By d***h

    January 3, 2015

    Item as described. Quick delivery. Recommend. *****

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