how to record these meters

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how to record these meters

Postby Woeka » Sun Mar 15, 2009 3:27 pm

I would like to start measuring my energy, water and gas usage. However I am not sure how to do it.

I've got this energy meter:
Image
Image

This is how my gas meter look like:
Image

My watermeter
Image

I could not find any solutions for recording a "draaischijfmeter [dutch]. My gasmeter appears to have no reflecting area in any of the numbers and I also could not find any real magnetic area on my watermeter. Does anybody have an idea how to measure any of the above meters?

kind regards
Joris
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how to record these meters

Postby b_weijenberg » Sun Mar 15, 2009 5:03 pm

Joris,

This is not 1-Wire but you can use an RFXMeter with an RFXPwr module to measure the power usage,
http://www.rfxcom.com/sensors.htm#70087
And 2 RFXPulse modules with a Reflective Optical sensors to measure gas and water usage,
http://www.rfxcom.com/sensors.htm#70090
http://www.rfxcom.com/sensors.htm#70091

To receive the RFXMeter information you need a 433.92MHz receiver
http://www.rfxcom.com/receivers.htm#80002

And sofware to process the data:
DomotiGa forum.asp?FORUM_ID=38
or xPL http://www.xplmonkey.com/rf.html
or HouseBot http://www.cebotics.com/
or Homeseer http://www.homeseer.com/

Bert
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how to record these meters

Postby Alexander » Sun Mar 15, 2009 6:35 pm

Bert,

He says he doesn't have any reflective area on the meters.
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how to record these meters

Postby CLC » Sun Mar 15, 2009 6:49 pm

The watermeter has a reflective zone at the wheel (0.0001), right above the number 66584314.
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how to record these meters

Postby Woeka » Sun Mar 15, 2009 7:33 pm

Yeah, you are right. I must be able to use the CNY70 for detecting a turn of the watermeter.

Are there people who used the CNY70 for the "draaischijfmeter" also? Detecting the black non-reflecting part of the disk?
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how to record these meters

Postby de.lesse » Tue Mar 17, 2009 9:12 am

<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by Woeka</i>
<br />Are there people who used the CNY70 for the "draaischijfmeter" also? Detecting the black non-reflecting part of the disk?
<hr height="1" noshade id="quote"></font id="quote"></blockquote id="quote">Doesn't worked here. When consuming much, it can't see the difference anymore. And is not reliable.
BTW; you can use a clamp for power measuring [:D]...
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