View the thread, titled "Wattson Energy Monitor installation help" which is posted in Solar PV Forum | Solar Panels Forum on Electricians Forums.

so fundamentally are we saying as a piece of monitoring equipment it's rubbish, or does it offer decent measurement of input vs consumption?
they are all ...ok.... but some customers expect them to be 100% accurate which they can't be, even the gen meters like Elster A100c have an accuracy specification of 1%tolerance IIRC probably the best way of accurately indicating power would be to run something off the pulse outputs of the gen meter but due to scales of economy and ease of use for the customers we have all been fitting a lot of wireless meters!

yep Lunar panels.... you would be surprised how many customers have asked this!!
 
I have fitted loads of these wattson monitors and not one has worked accurately despite trying different wiring configurations. My personal opinion is that they are simply rubbish!
To prove this I have also tried using one as a simple electricity monitor and it couldn't even do that accurately!
Do I need to check the legal status of what I have said! lol
 

Reply to the thread, titled "Wattson Energy Monitor installation help" which is posted in Solar PV Forum | Solar Panels Forum on Electricians Forums.

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