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Old 31-08-2016, 20:24   #1
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Digital Barometers? Needs An Update!

Help, Please!
It's been a while since "Digital Barometers" were discussed or updated. What's the lowdown about these instruments? Whats used by the CF community, what's good and reliable?

Is there any knowledge regards a digital barometer that connects to a boat net, i.e.: "N2K"?

Looking forward to all/any reply's with bated breath!
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Old 31-08-2016, 21:42   #2
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Re: digital barometers? Needs an Update!

they are nice because you can veiw a graph say the past 24hours and see trend.
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Old 31-08-2016, 23:19   #3
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Re: Digital Barometers? Needs An Update!

Just go to the tab which says "Search" & click on it. When the menu drops down, click "Advanced". And then on the LHS of the page, enter 'Barometer' into the search box, followed by clicking on the option to only search for threads which have the word Barometer in their headers. And you'll get plenty of hits.

The other thing to look for in addition to a Barometer is a Barograph, which records the local pressure over a period of time. So that it's easier to spot trends. And many watches have such a function as well.
Having one doesn't negate the necessity of consistently logging Barometric pressure, though they're nice to have.
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Old 01-09-2016, 03:42   #4
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Re: Digital Barometers? Needs An Update!

I have one not unlike this one https://www.amazon.com/Ambient-Weath...YDBM7BCPVZJ6TT

Cheap and cheerful. I also have a Tappit.

I would dearly love one like this https://www.amazon.com/Mintaka-Duo-P...YDBM7BCPVZJ6TT

but the price makes my eyes water....

This seems to lie in the middle ground and I may have to ask Santa for one https://www.amazon.com/Digi-Sense-Di...9MFTWH7JG5ZR0X

I have no idea what the difference in quality of the sensitive element is between the $40 and the $500 units but I doubt they are 12 times as good.
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Old 01-09-2016, 04:23   #5
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Re: Digital Barometers? Needs An Update!

I quite like barometer+ on my phone. It has a good barograph function and is effectively free if you already have a phone or tablet with a air presure sensor.

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Old 02-09-2016, 01:19   #6
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Re: Digital Barometers? Needs An Update!

I have this one which I find quite good.
Click Link below.

"A4000.2" electronic marine barometer
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Old 02-09-2016, 03:07   #7
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Re: Digital Barometers? Needs An Update!

This one looks really nice:

Bohlken Westerland auf Sylt Impressum Barograph Barographen Baromodul barographe barograaf

The device is panel-mounted, takes power at any voltage up to 35v, displays the data, and outputs it to USB and NMEA0183.


I have barometric pressure on my N2K network via the WSO100 wind sensor. I have no idea how accurate it is, but my DSM250 displays the data very nicely:

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P.S. -- Here's a way to get barometric pressure data into a N2K network for only $99:

http://www.yachtd.com/products/sensors.html
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Old 02-09-2016, 03:25   #8
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Re: Digital Barometers? Needs An Update!

Bohlken haven't updated their price list since 2007.... can you still buy them?

And I think I will pass on the WSO100 at UKP762.91

Meanwhile... I thought Vion wasn't available anymore but this sounds attractive.. Force 4 Vion Electronic Barometer
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Old 02-09-2016, 03:30   #9
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Re: Digital Barometers? Needs An Update!

And another $864.94 for the DSM250.... too rich for me I'm afraid. https://www.amazon.com/Maretron-Dsm2.../dp/B008YWJQLU
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Old 02-09-2016, 03:44   #10
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Re: Digital Barometers? Needs An Update!

I have one of the original Vion A4001 barographs and it's still going strong after very many years....
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Old 02-09-2016, 03:53   #11
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Re: Digital Barometers? Needs An Update!

Quote:
Originally Posted by El Pinguino View Post
And another $864.94 for the DSM250.... too rich for me I'm afraid. https://www.amazon.com/Maretron-Dsm2.../dp/B008YWJQLU
It's expensive but extremely versatile and useful. The DSM150 is half the price with all the same functions, smaller screen but same resolution (QVGA).

I have the DSM250 at my nav table and use it mostly with the following screens:

1. Weather (shows ground wind direction and speed, barograph, sunrise/sunset,

2. Engine monitor (RPM, oil pressure, coolant temp, alternator temperature)

3. Generator temperature, sea water pump temperature (proxy for sea water flow), engine room temp

4. Wind speed and temp trends

5. Tank levels.

6. Rudder angle/order.


And it can do dozens of other things, or you can design your own screens.


So it's a lot of different instruments packed into one device. For me, it was money well spent. YMMV.


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Old 02-09-2016, 04:01   #12
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Re: Digital Barometers? Needs An Update!

Quote:
Originally Posted by Dockhead View Post
It's expensive but extremely versatile and useful. The DSM150 is half the price with all the same functions, smaller screen but same resolution (QVGA).............
Hmmmm... probably good bang for the buck when you look at what an entire Raymarine outfit will set you has set me back over the years....
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Old 02-09-2016, 04:11   #13
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Re: Digital Barometers? Needs An Update!

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Originally Posted by El Pinguino View Post
Hmmmm... probably good bang for the buck when you look at what an entire Raymarine outfit will set you has set me back over the years....
Marine electronics have gotten a lot cheaper. I remember paying something like $4000 for an RL70 plotter some years ago. Two plotters and a radar was well over $10 000.

So the cost of a whole setup is either less now (much less), or for the same money we used to spend, you can have a vastly more capable system with several times the number of devices on it.
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Old 02-09-2016, 06:28   #14
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Re: Digital Barometers? Needs An Update!

DH, how is your WSO100? Wasn't it giving you some trouble? I was about to follow suit, but that post gave me pause.


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Old 02-09-2016, 06:32   #15
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Re: Digital Barometers? Needs An Update!

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Originally Posted by fallingeggs View Post
DH, how is your WSO100? Wasn't it giving you some trouble? I was about to follow suit, but that post gave me pause.

Yes, the WSO has given me trouble -- water got into it and it didn't work for a week or so. It's back to normal now, but I've since learned that there are problems with the waterproofing of these things and that my problems are not unique.

If I were you, I would look at the lovely French ones made by LJ Capteurs.
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