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Joule Wireless Meat Probe

dancurren

This is a future feature I am sure every Joule owner would love - maybe you can team up with ThermoWorks to develop a wireless probe thermometer - the actual probe is wireless and not just a wireless receiver duplicating display from the base station. I am thinking that if this probe had a round end it could be inserted into whatever meat we are cooking sous vide without risk of puncturing the bag. If the probe was on a on a low frequency channel, it would have no problem transmitting through water. The Joule app could then feature a dual display - the water temp and the internal temp of the meat... this would be amazing for doing large cuts of meat.

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Comments

Jonny_411383

+1 for me on this!

brian_martin2001

Not sure if this it's still a thing, but try this

fisher23

I have been tempted to join in on that one.

dancurren

Ya, I've been tempted to try these. I would just love to see it integrated in the joule app so ypu can see when your product comes to temp and if it cpuld record the data of how lo g it was held at those temps. For those of us who like to develop our own recipies, imagine if we could be able to export to excel the data on water temp, total cook time and how long food was held at target amd then we could add our notes on texture and assement of results. Also could be used for safety - I believe samonella is pastureized to safe levels at 74C in 3p seconds but only after 1.5 hours at 50C. You could do rare chicken breast and ensure the core of the meat was held at safe enough temperatures and long e for pasturization withput any doubt.

JoeK_473062

What do you want to measure? The surrounding water temp or the item internal temp? If water temp, no problem--just use Joule's reading or an external probe in the water. If you want item internal temp, then there is no option other than to pierce the bag with a probe. I do this today with a Thermoworks souse-vide probe (and either a standard unit or a Bluetooth unit), albeit not integrated with the Joule app. If you want to measure the internal temperature of the item without piercing the bag... such magic is not available (and it would truly be magic) today or any time in then foreseeable future,

AngelArs_240456

You cannot just assign frequencies willy-nilly. They are regulated to be used in very specific ways. "Advertising Channels" are used for solely for the purpose of discovering devices and initiating a connection. They operate on frequencies 2402 MHz (channel 37), 2426 MHz (channel 38) and 2480 MHz (channel 39). Data Channels are used for communicating data after the devices are connected. There are 37 data channels that use frequencies 2404-2424 MHz (Channels 0-10), 2428-2478 MHz (Channels 11-36). The problem is that the water absorbs much of the energy and it's hard to keep a connection.

brian_martin2001

Meater might disagree with your last comment

dancurren

Yes, I am aware of the constraints on frequency bands. That does not preclude such a project. The 27 MHZ band is one of the lowest frequemcy bands reserved for hobbists in much of the world. The 2.4 ghz band is reserved for wireless local area networks (wlan) - it would be the most obvious choice for such a device except you are probabbly thinking it doesn't penetrate water well. This is true but that does not mean RF radiation stops at the surface - it's not a brick was. The depth at which rf radiation can penetrate water depends on the frequency of the radiation - which we hold constant at 2.4 ghz - and the conductivity of water. The conductivirt of water is determined by both it's chemical composition (the number of dissolved ions or electolytes present) and physical charachertistics such as temperature. It is my understanding that for every 1C increase in water temp, conductivity increases 2-3%. So you would have substantially increases in the ability for rf to penetrate water as the sous vide bath came to temp. Also, at room temp I understand 2.4 ghsz should penetrate several cm of fresh water. Given we are dealing with a SV bath amd not try to transmit through a lake then we are in business so long as the probe is positioned upright at the top of the bag near the surface.Asking users to clip the bag to keep the probe at the top is mot unreasonable or they could use a rack to hold it in place.

Brian_Vogel_326837

I'm a backer of meater. It's been a mess. year late, horrible communication. Most backers are starting to think it's a scam

Dan_Ahern_30344

I've been waiting for mine for so long......

Dan_Ahern_30344

Nooooooooo! I will admit that knowing some of the difficulties first hand has made me a little more patient, but it is getting harder and harder to wait. I backed its kickstarter and am really hoping it is just vastly underestimating how hard some things that seem like they should be easy are.

brian_martin2001

I'd just recently seen it, i hadn't realized it's been in the works for over a year, or if i have, I forgot about them