RPM Meter (Tachometer) mod for snowblower - Snowblower Forum : Snow Blower Forums
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post #1 of 30 Old 01-16-2015, 03:25 AM Thread Starter
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Lightbulb RPM Meter (Tachometer) mod for snowblower

Interesting... I found these for sale on eBay and Amazon for roughly $10 to $15 shipped. Could be an interesting option to add, especially since it also measures engine operating hours for maintenance purposes. The ease of installation is also chimp-proof.


http://www.ebay.ca/itm/Digital-Tach-...417529&vxp=mtr


Quote:
The ENGINE MONITOR is a self powered LCD hour meter, tachometer and maintenance meter. An internal lithium battery furnishes the power for the monitor. A wire around the spark plug wire of the engine provides both a tachometer signal an indicator that the engine is running. The maintenance meter is used to alert maintenance personnel that a time interval has expired and maintenance shuold be performed on the engine. Before changing any settings to the engine Monitor , ENSURE THAT THE ENGINE IS OFF.

Features :

- Brand New, Waterproof.
- Easy to install
- High quality,Durable
- Replaceable internal battery
- 12V Working Power
- No more guessing for the oil change
- Show both engine rpm and hours of operation
- Read up to 99,999 rpm
- Programmable maintenance interval setting
- Color : Black
- Cable Length: About 156cm (61.4")
- Compatible with : Honda, Suzuki, Yamaha, Kawasaki, Harley, KTM, Ducati, Aprilia, Vespa, Kymco, Piaagio, Agusta, KTM, BMW Motorcycles / Choppers/ Scootors / Bikes / ATVs /Quad (with all 4 stroke or 2 stroke gas engines)
Not too sure how that battery would hold up in the cold though... or if this electronic unit is fully weatherproof. I'd much rather prefer an analog version of this, if it existed - problem is, although analog gauges do exist, you'd still need an independent power supply (battery) if you have no vehicle battery/alternator to hook up the gauge to (typically 12V).

On this digital unit the LCD could *potentially* crap out the first time you roll it out of the garage in deep-freeze temperatures. I've seen LCD displays act very funny in the cold, as the crystals freeze up... and sometimes they don't return to normal operation afterwards.


Thoughts?


Last edited by 762mm; 01-16-2015 at 04:43 AM.
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post #2 of 30 Old 01-16-2015, 04:37 AM
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we have a few members using a tac / hour meter

current machines
1-toro2450E-38419. 1-toro3000E-38435. 1-toro 3650E-38445
2-toro 521E-38052. 1-toro xl824pt 38086
1-.............,TORO XL 624ps..............
1-............, TORO XL 824ps..............
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post #3 of 30 Old 01-16-2015, 04:46 AM Thread Starter
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Quote:
Originally Posted by detdrbuzzard View Post
we have a few members using a tac / hour meter
Great!

Any word on what kind of tachs they are using and if it's a permanent installation? The meter above might be good as a tune-up tester for the price, but perhaps not so good if installed permanently.

Feedback from those using it would be greatly appreciated. Thanks!
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post #4 of 30 Old 01-16-2015, 04:50 AM
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the question is " how accurate is the meter "

current machines
1-toro2450E-38419. 1-toro3000E-38435. 1-toro 3650E-38445
2-toro 521E-38052. 1-toro xl824pt 38086
1-.............,TORO XL 624ps..............
1-............, TORO XL 824ps..............
william
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post #5 of 30 Old 01-16-2015, 05:16 AM Thread Starter
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Quote:
Originally Posted by detdrbuzzard View Post
the question is " how accurate is the meter "
Probably just as accurate as the next Chinese-made meter. Same poorly soldered electronic crap inside, just in a different box. It's not like we have a choice though.


Hail the Global Economy! An era where everything is disposable and not worth the hassle of returning for a refund...

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post #6 of 30 Old 01-16-2015, 05:25 AM
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so if you think its a crappy meter why would you trust it with your briggs motor

current machines
1-toro2450E-38419. 1-toro3000E-38435. 1-toro 3650E-38445
2-toro 521E-38052. 1-toro xl824pt 38086
1-.............,TORO XL 624ps..............
1-............, TORO XL 824ps..............
william
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post #7 of 30 Old 01-16-2015, 07:38 AM
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So far my chinese crappy hour meter works great and seem acurate enough.



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post #8 of 30 Old 01-16-2015, 07:48 AM
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Quote:
Originally Posted by Coby7 View Post
So far my chinese crappy hour meter works great and seem acurate enough.
But if you have nothing to compare it to, how can you even know its "accurate enough"?

I can go out and just listen to my snowblower and say, "yep, that seems about right"..
(not having the slightest clue if its good or not!)
How is this meter any different than my uncalibrated ear?
I have no real reason to believe either one..

Scot


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Last edited by sscotsman; 01-16-2015 at 07:52 AM.
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post #9 of 30 Old 01-16-2015, 08:24 AM
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I use the Hardline hourmeter/tach (similar to those above but encapsulated & 2x the price). It's been pretty close to what I measure with my trusty-old Sirometer.


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post #10 of 30 Old 01-16-2015, 09:36 AM
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I use a "TinyTach" on a generator and it reads 3600 rpm while my frequency meter reads 60hz.
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