Geekzone: technology news, blogs, forums
Welcome Guest.
You haven't logged in yet. If you don't have an account you can register now.

42 posts


#227501 9-Jan-2018 17:08
Send private message


I was interested in collecting some data from a pyranometer, and wondering if anyone had any experience with any pyranometers that are solid.  We like Modbus in general so that would be the preferred method but interested in any recommendations for quality instruments.

Thanks, John

Create new topic
4351 posts

Uber Geek


  #1933010 9-Jan-2018 17:28
2 people support this post
Send private message

I had no idea what this was, googled it, still no idea.


Does it measure how many fish with teeth there are in the water?

42 posts


  #1933034 9-Jan-2018 18:19
Send private message

Ha! I like that cool - No it's slightly less interesting than that - a device that measures the amount of sunlight in terms of irradiance (in watts per meter squared) and over time insolation (watt hours per meter squared).


3885 posts

Uber Geek


  #1933145 9-Jan-2018 20:12

Probably better to ask this question in the gadgets and home automation and electronics forum. Ask a mod to move this thread.

42 posts


  #1933240 9-Jan-2018 23:00
Send private message

OK I will try thanks

1050 posts

Uber Geek

  #1933271 10-Jan-2018 00:44
Send private message

I see MetService and NIWA use the Licor 200 for their global solar irradiance measurements.


This sensor puts out ~ 100 uA at full output so you will need a good front end on the sensor to get good readings.




Not modbus though. You might be able to find a modbus unit in the Kipp n Zonen product range but if they have one it will cost multi-thousands.



42 posts


  #1939022 15-Jan-2018 12:59
Send private message

Thanks! Yes that does look like a solid one, I will check the interface but often the distance between the roof-mounted unit and the raspberry pi (or similar SBC) can be a ways. the thing we like about modbus is that it's pretty reliable once running, and you can also bridge it with WiFi devices.

42 posts


  #1956914 14-Feb-2018 11:17
One person supports this post
Send private message

So far we are testing a Rika RK200-03 Pyranometer, and it seems to be working well. Easy to add to a SolarNode (running on a Raspberry Pi) by specifying the Modbus address, and you can chart it. 


Click to see full size


Click to see full size


42 posts


  #1958581 15-Feb-2018 12:35
Send private message

here's a little more info on this testing:

Create new topic

Twitter and LinkedIn »

Follow us to receive Twitter updates when new discussions are posted in our forums:

Follow us to receive Twitter updates when news items and blogs are posted in our frontpage:

Follow us to receive Twitter updates when tech item prices are listed in our price comparison site:

News »

Withings launches three new devices to help monitor heart health from home
Posted 13-Feb-2020 20:05

Auckland start-up Yourcar matches new car buyers with dealerships
Posted 13-Feb-2020 18:05

School gardens go high tech to teach kids the importance of technology
Posted 13-Feb-2020 11:10

Malwarebytes finds Mac threats outpace Windows for the first time
Posted 13-Feb-2020 08:01

Amazon launches Echo Show 8 in Australia and New Zealand
Posted 8-Feb-2020 20:36

Vodafone New Zealand starts two year partnership with LetsPlay.Live
Posted 28-Jan-2020 11:24

Ring launches indoor-only security camera
Posted 23-Jan-2020 17:26

New report findings will help schools implement the digital technologies curriculum content
Posted 23-Jan-2020 17:25

N4L to upgrade & support wireless internet inside schools
Posted 23-Jan-2020 17:22

Netflix releases 21 Studio Ghibli works
Posted 22-Jan-2020 11:42

Vodafone integrates eSIM into device and wearable roadmap
Posted 17-Jan-2020 09:45

Do you need this camera app? Group investigates privacy implications
Posted 16-Jan-2020 03:30

JBL launches headphones range designed for gaming
Posted 13-Jan-2020 09:59

Withings introduces ScanWatch wearable combining ECG and sleep apnea detection
Posted 9-Jan-2020 18:34

NZ Police releases public app
Posted 8-Jan-2020 11:43

Geekzone Live »

Try automatic live updates from Geekzone directly in your browser, without refreshing the page, with Geekzone Live now.

Support Geekzone »

Our community of supporters help make Geekzone possible. Click the button below to join them.

Support Geezone on PressPatron

Are you subscribed to our RSS feed? You can download the latest headlines and summaries from our stories directly to your computer or smartphone by using a feed reader.

Alternatively, you can receive a daily email with Geekzone updates.