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Latest Cumulus MX V4 release 4.4.2 (build 4085) - 12 March 2025
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Latest Cumulus MX V4 release 4.4.2 (build 4085) - 12 March 2025
Latest Cumulus MX V3 release 3.28.6 (build 3283) - 21 March 2024
Legacy Cumulus 1 release 1.9.4 (build 1099) - 28 November 2014
(a patch is available for 1.9.4 build 1099 that extends the date range of drop-down menus to 2030)
Download the Software (Cumulus MX / Cumulus 1 and other related items) from the Wiki
If you are posting a new Topic about an error or if you need help PLEASE read this first viewtopic.php?p=164080#p164080
Changing VP2 rain bucket and Cumulus
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duke
Changing VP2 rain bucket and Cumulus
I'm looking at burrowing a RM Young TB to try out on my VP2. The advantage to this is that it tips at 0.1mm instead of 0.2mm. I know the console will display incorrectly (never look at it) but is it possible to tell Cumulus that each tip detected is now only 0.1 and not 0.2?
Duke
Duke
- steve
- Cumulus Author
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- Joined: Mon 02 Jun 2008 6:49 pm
- Weather Station: None
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Re: Changing VP2 rain bucket and Cumulus
Put 0.5 in the rainfall multiplier calibration setting.
Steve
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Grumpy Moose
- Posts: 61
- Joined: Sat 14 Apr 2012 5:43 am
- Weather Station: Davis VP2
- Operating System: Win 7
- Location: Anchorage, Alaska
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duke
Re: Changing VP2 rain bucket and Cumulus
Uses a reed, same as the VP2. So simply unplug the VP2 gauge, wire the new one with something like cat5 and fit an RJ11 (i think RJ11's have a different name in the states).Grumpy Moose wrote:How does this interface with the VP2?
-Derek
The bonus is it's more accurate and can be easily remotely mounted.
The one in the link comes with built in heater but, there is a cheaper version without.
Thanks Steve.Put 0.5 in the rainfall multiplier calibration setting.
Duke
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Grumpy Moose
- Posts: 61
- Joined: Sat 14 Apr 2012 5:43 am
- Weather Station: Davis VP2
- Operating System: Win 7
- Location: Anchorage, Alaska
- Contact:
Re: Changing VP2 rain bucket and Cumulus
Awesome. Thanks! Maybe I will add this to my future upgrade list. I'm getting ready to wire up my RM Young 5103 anemometer to my VP2 for better accuracy, so it only makes sense to add the rain sensor someday.
I'll obviously need the heated version!
be sure to let us know how it works!
-Derek
http://www.alaskaweatherwatch.com
I'll obviously need the heated version!
be sure to let us know how it works!
-Derek
http://www.alaskaweatherwatch.com

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duke
Re: Changing VP2 rain bucket and Cumulus
I didn't know you could do thatGrumpy Moose wrote:Awesome. Thanks! Maybe I will add this to my future upgrade list. I'm getting ready to wire up my RM Young 5103 anemometer to my VP2 for better accuracy, so it only makes sense to add the rain sensor someday.
I'll obviously need the heated version!
be sure to let us know how it works!
-Derek
Duke
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Grumpy Moose
- Posts: 61
- Joined: Sat 14 Apr 2012 5:43 am
- Weather Station: Davis VP2
- Operating System: Win 7
- Location: Anchorage, Alaska
- Contact:
Re: Changing VP2 rain bucket and Cumulus
Yepduke wrote:I didn't know you could do that![]()
http://www.davisnet.com/weather/product ... pnum=06336

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duke
Re: Changing VP2 rain bucket and Cumulus
Is it just me, not that I'm complaining, but is it not a little odd that Davis would develop a product to encourage you to use another manufacturers product?

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duke
Re: Changing VP2 rain bucket and Cumulus
Does any one know of a UK supplier for RM Young products?
This is supposed to be the UK contact but no website:
UNITED KINGDOM
READ SCIENTIFIC LTD
32 BRANCASTER WAY
SWAFFHAM
NORFOLK PE37 7RY
UNITED KINGDOM
Tel: + 441 760 724546 | Fax: + 441 760 724546
E-Mail: bill.read1@virgin.net
This is supposed to be the UK contact but no website:
UNITED KINGDOM
READ SCIENTIFIC LTD
32 BRANCASTER WAY
SWAFFHAM
NORFOLK PE37 7RY
UNITED KINGDOM
Tel: + 441 760 724546 | Fax: + 441 760 724546
E-Mail: bill.read1@virgin.net
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RayProudfoot
- Posts: 3602
- Joined: Wed 06 May 2009 6:29 pm
- Weather Station: Davis VP2 with Daytime FARS
- Operating System: Windows XP SP3
- Location: Cheadle Hulme, Cheshire, England
- Contact:
Re: Changing VP2 rain bucket and Cumulus
It's Norfolk. I don't think the internet has reached there yet. 
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duke
Re: Changing VP2 rain bucket and Cumulus
Fair comment.RayProudfoot wrote:It's Norfolk. I don't think the internet has reached there yet.
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Grumpy Moose
- Posts: 61
- Joined: Sat 14 Apr 2012 5:43 am
- Weather Station: Davis VP2
- Operating System: Win 7
- Location: Anchorage, Alaska
- Contact:
Re: Changing VP2 rain bucket and Cumulus
I gues I never looked at it that way. I kinda of figured it was like the whole Microsoft vs Apple thing. The more you open your syetm up to use with other products, the more business it generates. Anyway, I don't think I would say they are encouriging the use of other manufacturer's products. They certainly aren't promoting it very well. Very few people seem to even know about it.duke wrote:Is it just me, not that I'm complaining, but is it not a little odd that Davis would develop a product to encourage you to use another manufacturers product?

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duke
Re: Changing VP2 rain bucket and Cumulus
While looking through the console set up today, I found the tip size screen actually has options for 0.1mm / 0.2mm and 0.1inch.
The manual has this to say:
The manual has this to say:
Any one know any more about the 0.1mm option? Although the manual states not accurate with the VP2 bucket options I guess if it the RM bucket is connected and calibrated at 0.1mm the screen on the console should read correctly.Note: See the Integrated Sensor Suite Installation Manual for instructions on installing the
metric rain adapter. The 0.1mm setting does not provide correct rain measurements
with either the standard measurement or the metric adapter installed in the rain
bucket and should not be used.