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Author Topic: RT-700 Temp Probes  (Read 5098 times)

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DialTone301

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RT-700 Temp Probes
« on: May 27, 2018, 12:17:54 PM »
Are others having trouble with the accuracy of the temperature probes?

 I have an almost 50 degree difference between the 2.  I am sure it is the probes not the ports....if i swap ports the temps follow the probe.

I am also questioning the accuracy of the better of the 2 probes.   I have 2  8 1/2 lb shoulders on at 250 and after 6 hours the one lower probe is showing 180 degrees.  I feel like that is too high since i expect them to take near 12 hours. 

I don't have another thermometer so I am planning on cooking 12 hours and hoping for the best.  Does that sound reasonable?

I will call Rec Tec on Tuesday.   I love this smoker so far!
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Rec Tec RT- 700

DaisyCutter

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Re: RT-700 Temp Probes
« Reply #1 on: May 27, 2018, 12:59:33 PM »
You can test them by putting them into a glass of ice water, it should read 32 degrees or at least very close.
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DialTone301

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Re: RT-700 Temp Probes
« Reply #2 on: May 27, 2018, 01:28:03 PM »
The two probes are now reading within a couple of degrees of each other.  It took them 7 hours to come together.  They both read in the low 190's now.  It still seems high after only 7 hours at 250.

Is 12 hours about right for an 8 1/2 lb shoulder?  Since I can't trust the probes I am going to rely on time.

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Rec Tec RT- 700

DialTone301

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Re: RT-700 Temp Probes
« Reply #3 on: May 27, 2018, 02:04:05 PM »
Just did the ice water test and they read around 42.  Weird thing is they were not stable and would go up to 48 and down to 41 sometimes within a few seconds while sitting in the water. 

Inserted back in my pork shoulder and one reads 180 while the other is 185. 

I will talk to support on Tuesday.  I am confident they will figure it out.
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Rec Tec RT- 700

grilltreats

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Re: RT-700 Temp Probes
« Reply #4 on: May 27, 2018, 03:00:41 PM »

I typically go 16 hours at 225.  I'd be interested in what RT says about this issue.


I'll be using the three probes on my CyberQ at one time to compare the two RT probes once I get my RT.  Those three probes always read the same or within a degree or two of each other when cooking pork shoulders.
« Last Edit: May 27, 2018, 03:06:31 PM by grilltreats »
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Kamado Joe 18" with CyberQ Wi-Fi controller
REC TEC RT-700 with front shelf and sear kit since 6/1/18
Bullseye since 4/6/19

Ross77

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Re: RT-700 Temp Probes
« Reply #5 on: May 27, 2018, 03:38:29 PM »
It's a known issue and last I heard they were working on a fix.  Either via a firmware update or an app update to allow you to manually adjust them.
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Rec Tec RT-680 Char-Broil Patio Bistro  MES: Sold WSM: Sold

gkas

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Re: RT-700 Temp Probes
« Reply #6 on: May 27, 2018, 04:40:52 PM »
Quote from: Ross77 on May 27, 2018, 03:38:29 PM
It's a known issue and last I heard they were working on a fix.  Either via a firmware update or an app update to allow you to manually adjust them.

I just installed an updated board in my RT-700. My original board did not have the option for calibration. They both read the same, 10° below my ThermaPen. With the new board I calibrated both probes to read the same as my Thermapen.

Smoker works fantastic. The only small problem is that I keep getting 'disconnected' messages from the Rec Tec app on my Android Samsung S8+. Seems to work OK, just annoying. I turned off notifications from the app. Support says they are working on a solution. Seems to be a problem when the app goes offline automatically. I agree, the symptoms point to that (40 year computer systems software nerd, retired). I'm sure they'll get it worked out. It's a minor annoyance.
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Rec Tec RT-700

Ross77

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Re: RT-700 Temp Probes
« Reply #7 on: May 27, 2018, 04:44:33 PM »
Must be why they have delayed the $99 controller upgrade for 680 and Mini owners.  Still working out the bugs.
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Rec Tec RT-680 Char-Broil Patio Bistro  MES: Sold WSM: Sold

cookingjnj

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Re: RT-700 Temp Probes
« Reply #8 on: May 27, 2018, 05:08:37 PM »
Good point Ross.
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ehubbard

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Re: RT-700 Temp Probes
« Reply #9 on: May 27, 2018, 06:48:13 PM »
gkas --  was it easy to tell the difference between the new and old controller?  When my stampede arrives (any day now)..  it would be cool if I could figure out if I have v1 or v2.. 
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gkas

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Re: RT-700 Temp Probes
« Reply #10 on: May 28, 2018, 07:40:20 PM »
Quote from: ehubbard on May 27, 2018, 06:48:13 PM
gkas --  was it easy to tell the difference between the new and old controller?  When my stampede arrives (any day now)..  it would be cool if I could figure out if I have v1 or v2..

On the bottom of the front panel is a 'gear' button, next to the power button.  Press it and hold the 1st page will come up. If you press it 2 more times you should get a probe setting page. If you don't get the 'PrA' page, then you have the older controller firmware.

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Rec Tec RT-700

ehubbard

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Re: RT-700 Temp Probes
« Reply #11 on: May 29, 2018, 12:06:10 PM »
gkas -- thanks much!
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DialTone301

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Re: RT-700 Temp Probes
« Reply #12 on: May 29, 2018, 04:22:25 PM »
Just got off the phone with Adam at support. Super nice guy....definitely a good experience so far.  He is sending me out one of the revised controllers.  I should have it for the weekend so I will report back once I get a chance to test it.
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Rec Tec RT- 700

grilltreats

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Re: RT-700 Temp Probes
« Reply #13 on: May 29, 2018, 06:24:26 PM »
Good deal and thanks for the update!  I hope mine already comes with the fix.  If not, I will give them a call. It hasn't been picked up yet by the carrier.  Got a GFCI installed and am ready for the experience, I think lol.  Burgers and dogs yesterday on the KJ were very tasty.
« Last Edit: May 29, 2018, 06:27:01 PM by grilltreats »
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Kamado Joe 18" with CyberQ Wi-Fi controller
REC TEC RT-700 with front shelf and sear kit since 6/1/18
Bullseye since 4/6/19

LowSlowJoe

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Re: RT-700 Temp Probes
« Reply #14 on: May 30, 2018, 12:10:32 PM »
Interesting... I was told they were working on a way to update the controller, no mention of having ones that already had the feature.
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