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Old 01 March 2016, 04:21   #1
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Best Tiny Tach type

Following on from this thread wonder if anyone has opinions on the best Tiny Tach type device to show outboard revs and log hours run? Prefer cheap/disposable if/when it breaks.

First dip in the ocean...

Will be used on a 2cyl 4-stroke.
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Old 01 March 2016, 04:38   #2
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Hi

I have Digital tach hour metre from ebay 10,does the job as long as it is mounted correctly.
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Old 01 March 2016, 04:40   #3
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Cheap Chinese for a fiver (the one I had that died after a pretty short life):

engine tachometer | eBay

(ignore the first couple - hours only, no revs)

The genuine article (Chinese aren't bad at copying are they?!):

Tiny Tach TT2B Digital Hour Meter / Tachometer for Small Gas Spark Engine Motor | eBay

To borrow the old saying: "Buy cheap, buy twice" or in this case buy seven for the price of one?

Or maybe the middle ground 24ish:

http://www.ebay.co.uk/itm/Backlit-Wa...gAAOSwl8NVWgGc
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Old 01 March 2016, 04:51   #4
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Ahh that's good Max. Just noticed the gen Tiny Tach has a coax signal lead with a ground wire to stop interference upsetting the readout. That makes sense and may be worth the extra alone.... but the Tiny Tach is still a sealed fixed life. Grrrr.

The last one you linked looks good on paper and I'd though I might go for it but on Amazon folks have a lot of issues that it isn't properly waterproof and the display corrupts.
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Old 01 March 2016, 05:16   #5
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Yep, these things are never properly 'waterproof' especially getting shot at with jets of salt water. I'd seal it up in a poly bag or go round the back seam with some silicone next time.
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Old 01 March 2016, 05:21   #6
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One feature that'm not sure they do, mine certainly doesn't, is to be able to set the hours... i.e. the 2 year battery life runs out and I replace it, I'd like to set the new meter to the old hour setting so I have the cumulative total... any of these do this do you guys know?
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Old 01 March 2016, 05:23   #7
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I see the last one linked has a replaceable battery which appeals... but another water ingress source.

If I just wanted it for hours run display I'd mount it under the hood... but I guess it might get too hot.
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Old 01 March 2016, 05:23   #8
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Originally Posted by Max... View Post
Yep, these things never properly 'waterproof' especially getting shot at with jets of salt water. I'd seal it up in a poly bag or go round the back seam with some silicone next time.
If there's one thing can be said for the one I have... it certainly seems water tight... ok, so there are no buttons to set anything, but the entire thing is encased in a block of resin - there appear to be no 'seams' other than where the cable goes in and obviously around the screen.

CHEAP TACH
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Old 01 March 2016, 05:33   #9
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The last one with the replaceable battery claims it remembers data when the battery is swapped.... but with the battery cover and two buttons to remain waterproof I reckon it may not last long.
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Old 01 March 2016, 08:40   #10
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The genuine article (Chinese aren't bad at copying are they?!):
The impression I get is that copying is not the issue, but rather unauthorised production - often by the same manufacturer. SO at 1800 the RealThing-TM production line stops and the official labels/brands/stamps get locked away. Then at 1900 the night shift begins production again, but with cheaper materials and different logos...

I have a handheld spotlight that is EXACTLY the same as a AquaSignal Bremen but cost me about 20% of the real thing. Different logo. I'm sure AquaSignal wouldn't be too impressed.
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