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Posted

My (bluetooth connected) Anova is working properly, in that it is at the temperature I set, and the app is counting down the time, but the display on the device itself just shows the temperature, rather than switching back and forth between the temperature and the cook time left. Can someone tell me what I need to do to get this working again? TIA

Posted
  On 5/28/2018 at 6:40 PM, robirdstx said:

My (bluetooth connected) Anova is working properly, in that it is at the temperature I set, and the app is counting down the time, but the display on the device itself just shows the temperature, rather than switching back and forth between the temperature and the cook time left. Can someone tell me what I need to do to get this working again? TIA

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Okay, I played around with it some and this is what I found:  if I set the time and temp on the device, the app acknowledges it and asks me to name the recipe. The problem seems to happen when I begin the cooking from the named recipe on the app.

  • 4 weeks later...
Posted
  On 5/27/2018 at 6:26 AM, Yiannos said:

 

It is the former, I have the old model with that firmware too and have done the Thermoworks experiment. Works just like calibrating an oven with that feature, set for your desired temp, measure actual temp with an external thermometer, and then use the temperature adjustment on the calibration screen to correct any deviation.

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Sorry for the delay but I am finally getting around to making the offset adjustment.  Unfortunately the temperature adjustment on the calibration screen seems to affect the bath temperature not at all!  Also the adjustment doesn't stick.  If I power off and on to get back to the adjustment screen there is no offset shown.

 

Perhaps there is more to it than I know.  Maybe I will have to contact anova.

 

Cooking is cool.  And kitchen gear is even cooler.  -- Chad Ward

Whatever you crave, there's a dumpling for you. -- Hsiao-Ching Chou

Posted
  On 5/25/2018 at 3:47 AM, JoNorvelleWalker said:

For fun I also tried the Thermapen MK4 while anovaing my eggs.  It read the bath as 55.1C.  While my new Thermoworks waterproof with penetration probe read the bath as 54.9-55.0.

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It seems to me that you are focusing quite a bit on the exact temperature of your bath as measured by various instruments, but are not talking about the results in terms of the resultant food.

 

Is there a reason we should care about a 0.1-0.2 degree variance?

Posted
  On 6/23/2018 at 12:43 AM, IndyRob said:

 

It seems to me that you are focusing quite a bit on the exact temperature of your bath as measured by various instruments, but are not talking about the results in terms of the resultant food.

 

Is there a reason we should care about a 0.1-0.2 degree variance?

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Pasteurizing eggs.

 

Cooking is cool.  And kitchen gear is even cooler.  -- Chad Ward

Whatever you crave, there's a dumpling for you. -- Hsiao-Ching Chou

Posted
  On 6/23/2018 at 1:41 AM, IndyRob said:

 

You're going to walk that tightrope with a circulator you can buy off the shelf at Target?

 

 

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For what I spent on the reference thermometer I could have purchased a laboratory anova...and I may yet.

 

Cooking is cool.  And kitchen gear is even cooler.  -- Chad Ward

Whatever you crave, there's a dumpling for you. -- Hsiao-Ching Chou

Posted

From what I see on the chart on p12 of this old paper, it looks like a change in 0.2°F (roughly 0.1°C) corresponds with a 10% change in time. 

 

So if you thought your circulator might be off by a fraction of a degree you could just add 20% to the holding time.

 

Or just accept that pasteurization standards are kind of arbitrary to begin with (who said that log 6.5 reduction is safe, but log 5 isn't? This is without even knowing the starring bacterial colony size). If you're getting inspected in a professional kitchen, that's a different story.

Notes from the underbelly

Posted
  On 6/23/2018 at 4:37 AM, paulraphael said:

From what I see on the chart on p12 of this old paper, it looks like a change in 0.2°F (roughly 0.1°C) corresponds with a 10% change in time. 

 

So if you thought your circulator might be off by a fraction of a degree you could just add 20% to the holding time.

 

Or just accept that pasteurization standards are kind of arbitrary to begin with (who said that log 6.5 reduction is safe, but log 5 isn't? This is without even knowing the starring bacterial colony size). If you're getting inspected in a professional kitchen, that's a different story.

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Point is I don't want to coagulate my eggs any more than absolutely necessary.

 

Cooking is cool.  And kitchen gear is even cooler.  -- Chad Ward

Whatever you crave, there's a dumpling for you. -- Hsiao-Ching Chou

Posted (edited)

I haven't experimented much with egg pasteurizing times/temps. Do you find that a 20 or 30% time difference influences texture or function?

 

Semi-relatedly, I'm curious to know how the 6.5D standard for pasteurization was arrived at. Some of these standards came about through a lot of rigor, while others just seem to be pulled out of thin air.

 

Edited to add: I'd also be curious to know what Anova has to say about the differences between the home and the lab circulator. I assume the lab version is more robust and reliable, but don't know if it would stay in calibration significantly longer. It might be assumed that in a lab environment, people have the tools and wits to calibrate stuff. The status of that circulator is also a bit of a mystery. It looks like such a nice unit and a great a value. And it's sometimes been on the Anova Culinary site and sometimes not. It's usually on the Anova scientific site. I don't understand how these companies are related to each other anymore, now that Electrolux has bought the culinary division.

Edited by paulraphael (log)

Notes from the underbelly

Posted

The "Long Pork Primer?"

 

"Better Humans and Gardens Cookbook"?

“Who loves a garden, loves a greenhouse too.” - William Cowper, The Task, Book Three

 

"Not knowing the scope of your own ignorance is part of the human condition...The first rule of the Dunning-Kruger club is you don’t know you’re a member of the Dunning-Kruger club.” - psychologist David Dunning

 

Posted
  On 6/24/2018 at 12:43 PM, chromedome said:

The "Long Pork Primer?"

Expand  

 

As Cook Islanders say:  "My grandfather ate your grandfather."

The Hawai'ians are more poetically indirect; they say:  "Until the fat runs."

 

A sealed earth oven (imu) is very close to being the prototype SV cooker.  Lacks the wi-fi, though...

Posted
  On 5/27/2018 at 6:26 AM, Yiannos said:

 

It is the former, I have the old model with that firmware too and have done the Thermoworks experiment. Works just like calibrating an oven with that feature, set for your desired temp, measure actual temp with an external thermometer, and then use the temperature adjustment on the calibration screen to correct any deviation.

Expand  

 

I just found this on the anova site:

 

"If your thermometer reads lower than the system use the minus sign. If your thermometer reads higher than the system use the plus sign. Press Check to accept or X to exit without saving."

 

What this means is that I had it backwards!  I was using the minus sign to try to make the bath cooler.  I have to say, if true, this is counterintuitive.

 

  • Like 1

Cooking is cool.  And kitchen gear is even cooler.  -- Chad Ward

Whatever you crave, there's a dumpling for you. -- Hsiao-Ching Chou

Posted

Counterintuitive but true, and it works!  My anova (with no calibration offset) now measures between 55.02 and 55.04 when set to 55.0.

 

Joy.

 

  • Like 1

Cooking is cool.  And kitchen gear is even cooler.  -- Chad Ward

Whatever you crave, there's a dumpling for you. -- Hsiao-Ching Chou

Posted

by thermometer : does Anova mean your independent thermometer's read of the water temp

 

at equilibrium ?

 

and ' system '  meaning the Anova's digital temp for that water's equilibrium temp ?

Posted
  On 6/28/2018 at 8:31 PM, rotuts said:

by thermometer : does Anova mean your independent thermometer's read of the water temp

 

at equilibrium ?

 

and ' system '  meaning the Anova's digital temp for that water's equilibrium temp ?

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Yes...I believe.

 

Cooking is cool.  And kitchen gear is even cooler.  -- Chad Ward

Whatever you crave, there's a dumpling for you. -- Hsiao-Ching Chou

Posted
  On 6/28/2018 at 7:14 PM, JoNorvelleWalker said:

 

I just found this on the anova site:

 

"If your thermometer reads lower than the system use the minus sign. If your thermometer reads higher than the system use the plus sign. Press Check to accept or X to exit without saving."

 

What this means is that I had it backwards!  I was using the minus sign to try to make the bath cooler.  I have to say, if true, this is counterintuitive.

 

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Wow that is super counter-intuitive, I didn't mess with it a ton as the temp matched my thermometer, sorry I got it backwards. I'm happy you got it figured out!

  • Like 1
  • 1 year later...
Posted
  On 8/29/2019 at 2:09 PM, ElsieD said:

I just got an e-mail from Anova.  The current model is on sale for $109.00

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That seems like more than I paid when I bought mine, several years ago. Do you know the usual rate for this model?

 

Edit: Maybe I paid more, like $129...

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Posted

They claim the regular price is $169. I didn't pay that much either, I think I also paid around $129

Posted

I don't know what model that is

 

I doubt its a new one

 

Anova's

 

w some patience 

 

should be less than 90 USD,

 

Ill look in my enmail

 

thaks for the tip.

Posted

The sale appears to be referencing the Nano, as purchased through their website.  I have it available on Amazon prime for $71.

Posted

@donk79

 

cheers

 

Id look very very carefully at the Nano

 

at any price

 

before you chose to Plunge in

 

it has some limitations on the thickness of the containers it might fit.

 

its been discussed here.

 

the power is lower , the weight of the Gizmo is lighter 

 

but I don't really see its purpose

 

some here have said the same

 

look for an Anova ( Big Boy ) on-line on sale for mayhbe3 less than 90 usd

 

you will not be disappointed

 

the Nano I feel is an Anova Mistake

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