shaemus Posted September 1, 2017 Share Posted September 1, 2017 I found this in 2 mins. http://www.lazada.co.th/new-power-consumption-energy-watt-current-amps-voltmeterelectricitymonitor-analyzer-uk-plug-intl-39419490.html?spm=a2o4l.search.0.0.H7Zq50&ff=1 i am not sure if your sauna has a plug on the cable, you can buy them on amazon . You also purchase allot of other types of these types of power meter, some more expensive then the other. You can also buy a din mount KWh meter that you could put on the cabling somewhere if you are that way inclined. http://www.lazada.co.th/catalog/?q=kwh+meter Link to comment Share on other sites More sharing options...
Jdietz Posted September 1, 2017 Share Posted September 1, 2017 (edited) On 7/10/2017 at 2:53 PM, Crossy said: Measure the supply voltage (don't forget to select AC Volts) Wise words of someone who had a meter blown up in his face one too many times :) Edited September 1, 2017 by Jdietz Link to comment Share on other sites More sharing options...
notrub Posted September 4, 2017 Author Share Posted September 4, 2017 Thank you for comments. I took a look at ladaza thanks. Link to comment Share on other sites More sharing options...
Damrongsak Posted September 15, 2017 Share Posted September 15, 2017 Pictures of Thai watthour meters (with electro-mechanical discs) I see have the Revolutions/kWh indicated on the faceplate. Such as 400 rev/kWh. Perhaps the electronic ones have the pulses/kWh and a blinking LED. With a known load, you can check the accuracy of the meter using a stopwatch and counting revolutions/pulses for a set time. Or just calculate the consumption or load of a single appliance. It's explained toward the bottom of this page: http://www.pages.drexel.edu/~jef22/myweb4/eleccalc.htm In the US, meters are marked with a Kh, indicating the Watthours per revolution of the disk. 7.2 Watthours/rev is common for residential service. People used to do a rough test using a few 100 Watt incandescent lightbulbs as a load. I watched a lot of meter discs spin during my 20+ year career in the electric metering industry in the US. Used to be a product/sales manager for a $40,000 electric meter test machine. Link to comment Share on other sites More sharing options...
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