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Author Topic: Wireless monitoring  (Read 11835 times)

mlappin

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Re: Wireless monitoring
« Reply #30 on: January 14, 2018, 12:37:22 PM »

Well was monitoring stack temps briefly, don’t waste the money on getting the probe they supply with the outdoor unit, won’t take the heat.
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hondaracer2oo4

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Re: Wireless monitoring
« Reply #31 on: January 14, 2018, 03:11:44 PM »

Love it Marty. You have a heavy heat load. Looking at the house supply loop you can see how often it has to cycle. Looks like between an hour and 15 mins to an hour and 30 mins you are cycling. Cycling every 1.5 hours your are using 22,000 btu per hour.
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mlappin

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Re: Wireless monitoring
« Reply #32 on: January 14, 2018, 04:21:10 PM »

Love it Marty. You have a heavy heat load. Looking at the house supply loop you can see how often it has to cycle. Looks like between an hour and 15 mins to an hour and 30 mins you are cycling. Cycling every 1.5 hours your are using 22,000 btu per hour.

Hehe, supposed to snow a bunch tomorrow, the snow melt outa be interesting to have charted.

I also have a hybrid system on the water heater out of curiosity. I have a small sidearm with the twisted tube center, looks like a screw or auger. Also have a flat plate on the outlet of the water heater. I’m tempted to close the valve on the sidearm and see how hot water usage effects the chart.

I’m tempted to move the shop return out of the stove and put it in the shop, signal strength is the same but I think the ambient temp in the back of the stove messes with the tags. I’d prefer a foil faced insulation to wrap em with but I know that’d kill the wifi signal. The ones in the basement are staying calibrated well since the ambient air temp remains constant.

The tags aren’t the quickest to adjust to temp changes, the circuit board is spaced between the front and back with the temp sensor on the board. A few I mounted with a dollop of thermal mastic on the back, another few I mounted the front to the pipe as it has tiny holes for the speakers, down’t really notice one being any better than the other. If a person wanted really accurate temps four outdoor temp units could be used with an immersion thermocouple for each one.
« Last Edit: January 14, 2018, 06:55:21 PM by mlappin »
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tinfoilhat2020

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Re: Wireless monitoring
« Reply #33 on: January 14, 2018, 06:38:28 PM »

Looks awesome Marty!!! Very cool! DHW effect my logging like crazy! I use a flat plate...let me see if I can upload a pic...
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mlappin

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Re: Wireless monitoring
« Reply #34 on: January 14, 2018, 07:01:03 PM »

I went  ahead and moved the last tag out of the back of the G200 and into the shop.

Had to recalibrate both shop sensors so if you see a big spike thats why. On the waste oil one I may have to take it back off and scotch brite the pipe then reinstall.

1” black pipe insulation seems to be working well in the shop, one piece on bottom opened up to cover the pipe and the sides of the tag, another piece from the top down stretched out to cover the tag, then a zip strap on each end to close it up and make it draft proof.

I may have to move the outdoor tag as high up under the porch as possible or maybe move it to the front porch which is on the north side of the house, once the sun came up it read higher than it should have, night time temps were pretty right on.



https://my.wirelesstag.net/eth/tempStatsMulti.html?099cdf3e-f47f-4d18-9608-f0fbeb3290c0:74d56d78-1c32-44e0-8d2c-e775115a002d:c1a45997-47fe-4e38-a8cb-21a2479f4460:190b30d5-3eb7-4fb3-887c-cf46a51a7fe9:a83c53c3-438e-4524-8efa-cc665be675f2&temperature&F
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mlappin

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Re: Wireless monitoring
« Reply #35 on: January 15, 2018, 01:41:54 PM »

Turned the snow mel on about 9”30 this morning, once the sidewalk and the glycol is all warm the differential tightens up.
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mlappin

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Re: Wireless monitoring
« Reply #36 on: January 16, 2018, 02:10:57 PM »

I’m starting to realize the tags have some inherent issues, not necessarily design flaws as I’m sure the designers weren’t thinking of strapping them to a pipe.

The circuit board is sandwiched between the top case and the removable bottom. The pipe has to heat the plastic, the plastic heats the air and the air finally heats the temp sensor. I’m of the strong opinion now that you can calibrate them for the high or the low temp, but they won’t be accurate on both. I recalibrated the House and Shop Supply one for 180, I waited till the stove shut off, then waited till I seen the temp tick down to 179, recalibrated the sensor to read 179.5, problem is know after looking at the chart overnight it never dropped below 165 or so, I think the case holds too much residual heat.

If your just looking for something simple to warn you if the water dropped below a certain temp this will do it, if you want accuracy to help figure load or efficiency I think they’re better options available, using one of the outdoor ones with a sensor that can be strapped to the pipe then wrapped in foil insulation would be MUCh more accurate and responsive, but also more spendy.

Not a complete waste of money though, I dropped the outside tag into the basement chest freezer and it reads that fine, will set the reporting down to once an hour to increase battery life, gonna drop another one in the little chest freezer we store veggies in. Have a fresh half a beef in the large one.
« Last Edit: January 16, 2018, 07:39:46 PM by mlappin »
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Homemade skid steer mounted splitter, 30" throat, 5" cylinder
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wreckit87

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Re: Wireless monitoring
« Reply #37 on: January 16, 2018, 05:37:43 PM »

Thanks for being the guinea pig Marty, sorry it's not as accurate as we'd both hoped for this application. At least you can use the tags for other things!
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mlappin

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Re: Wireless monitoring
« Reply #38 on: January 16, 2018, 07:42:02 PM »

Thanks for being the guinea pig Marty, sorry it's not as accurate as we'd both hoped for this application. At least you can use the tags for other things!

I’m thinking of activating the motion sensors and using them for a down and dirty security system on the shop. One on the main man door and another on the door between the shop area and storage area, one or the other has to be opened to unlock the large equipment door.

The ones that use an external sensor are a lot more accurate as the sensor is external and can be placed anyplace you want.

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wreckit87

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Re: Wireless monitoring
« Reply #39 on: January 17, 2018, 09:01:29 AM »

Any/all of those sensors have a motion setting?
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mlappin

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Re: Wireless monitoring
« Reply #40 on: January 17, 2018, 10:46:13 AM »

Any/all of those sensors have a motion setting?

I know the tags do, not sure about the outdoor models.
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mlappin

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Re: Wireless monitoring
« Reply #41 on: January 18, 2018, 05:29:00 PM »

I’m seriously looking at the Raspberry Pi’s, from what I’ve seen so far numerous sensors for supply and return temps can be ran off it as well as numerous thermocouples to monitor lets say reaction and stack temps.

Pi Zero W goes for ten bucks, the amplifier boards are $14, thermocouples and sensors are cheap on Amazon. Best part is the Pi Zero W has built in Wifi.
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mlappin

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Re: Wireless monitoring
« Reply #42 on: January 18, 2018, 08:32:09 PM »

Got to talking to a friend who’s bread and butter is sitting at home pounding away on a keyboard or whatever code monkeys do, if I can build it he can handle the coding.

If I can see it and physically touch it I can make it work, code makes my head throb.
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mlappin

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Re: Wireless monitoring
« Reply #43 on: March 15, 2019, 07:19:01 AM »

The wireless tags have been in the freezers for awhile and are still working.

The raspberry pi’s worked very well, however the drag and drop interface I was using sucks. Cayenne is the name, was pretty stable then they forced an update, if you didn’t update then your stuff quit working thru the cayenne interface. So I did the update, as with most updates it broke everything, so started over, finally got everything working again only to have to reload or refresh things all the time because their supposed upgrade sucked.

If a person has the ability to write their own interface from scratch then the raspberry Pi zero’s at 5-10 bucks a pop are they way to go.
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Homemade skid steer mounted splitter, 30" throat, 5" cylinder
Wood-Eze model 8100 firewood processor

HeatmasterSS dealer for Northern Indiana
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