Does such a meat thermometer exist?

im looking for a meat thermometer which takes the internal temperature of the meat but doesn't use a probe.

Reason being I don't want to pierce the bag to find out if the meat has reached the correct core temperature.

Does such an instrument exist?

I am aware of thermometers which take the surface temperature without contact but I don't think that's quite what I'm after.

Any help and advice gratefully recieved.

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Comments

Matthew_77468

I'm not sure that this would be possible. You may be able to find a wireless probe that you can put into the meat before placing it into a bag, but I haven't heard of anything like that yet.

Brendan_Lee_56950

The foam tape will allow you to keep the probe in the meat without leaks

Johan_Edstrom_5586

You can also double bag - a thermocouple is what you want

Johan_Edstrom_5586

http://www.jbprince.com/utensils/adhesive-tape-for-sous-vide.asp

Manfred_18311

You need to measure the core temperature only if you shorten the SV cooking time away from the given schedule. A 3 cm Steak at 60° C water themp. reach equal core temperature at 60min by certain. Any other…., I would use a foam tape.

Alex_Thomson_41278

This is completely unhelpful, but I believe you could use an MRI machine to measure the internal temperature so it is at least physically possible!

Brandon_Byrd_40557

+1 for a thermocouple and foam tape. ThemoWorks sells a miniature needle probe that works well for sous vide.

tshewman

I'm uncertain why one would not want to pierce the bag (other than fear of leakage). If leakage is a concern, Brandon, Brendan and Johan basically outlined how one can do it without worry. Here is a link to a video. http://vimeo.com/6649202 about 2 minutes in.

tshewman

Haven't seen one yet as it can't transmit through water (usually), though a probe that can be seen while in the bag might be possible, though if sealed at a higher pressure may "stamp" the meat.

Ben_walker_100578

Thanks a lot for all the answers. At least I now know one doesn't exist! I wanted one so that I could accurately measure the core temperature after reheating to work out how quickly to reheat using different methods. I guess I'll have to do it by trial and error. No worries and thanks again for the replies.