Dual Scale Refractometer w/ ATC & LED Light

Dual Scale Refractometer w/ ATC & LED Light

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If you want a quick and easy way to take gravity readings during the brewing process, then a refractometer is the tool for the job. Taking hydrometer readings during the brew tends to be a time-consuming process, and by the time you get a reading it may be too late to react. This is because you need to take a large sample and cool it to get an accurate reading. A refractometer allows you take instant gravity readings, with just one drop, at any point during the boil, or even during the run off of the sparge during an all-grain brew. These 'during the process' readings allow you to add more water or boil longer so you can attain exactly the gravity you desire.

Traditional refractometers without ATC are calibrated to work at 68°F. The ATC function allows you to use the refractometer in an ambient temperature range of 50-86°F (10-30°C). Since your sample is just one drop, and will quickly adjust to the temperature of the refractometer, the temperature of the sample is irrelevant. This unit also comes with a manual calibration knob that is secured with a lock nut. To calibrate place one drop of distilled water on the testing platform and adjust to zero if necessary. The LED light is a handy feature that helps illuminate the sample and make the scale easier to read.


  • 0-30 Brix scale
  • 0-1.120 Specific Gravity scale
  • Metal body with rubber grip
  • Adjustable focus eyepiece with rubber grip
  • Automatic Temperature Compensation)
  • LED illumination function

Please Note: This tool is used to measure unfermented wort. Once alcohol is present, the use of a correction table is advised.

Kegland Part Number: KL07344

Item # MT708
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - In Stock
Weight 0.59 LBS
Community Q&A

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Browse 2 questions Browse 2 questions and 53 answers
Why did you choose this?
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Jim H on Jul 28, 2021
I need it to gauge cnc levels
Valued C on May 17, 2021
Jim H on Jul 28, 2021
Want to produce higher quality backyard grape wines.
Michael S on Jul 23, 2021
I need it to gauge cnc levels
Valued C on May 17, 2021
I wanted one to check things
Gary D on Apr 12, 2021
ease of use and great reviews
Doug Haviland on Mar 30, 2021
Looked like a good entry choice.
Joel S on Mar 22, 2021
Wort always seem to come in well below expected OG
Nathan R s on Mar 18, 2021
Save more of my brew
Jason Kropp on Mar 10, 2021
general brewing
Timothy P on Mar 5, 2021
Husband wanted it
Dena F on Mar 4, 2021
I tried to use a hygrometer and I can't.
Eric Steadle on Feb 14, 2021
better option
adam g on Feb 5, 2021
My brother asked for it for his birthday.
Jane D W on Jan 26, 2021
S.G. numbers
J.R. P on Jan 20, 2021
led light, I brew outside at night
Noel C R on Jan 4, 2021
get stats
Alex B on Dec 25, 2020
Its a Christmas gift .
Brenda H on Nov 2, 2020
checking brix of grapes I'm growing
Richard S on Sep 15, 2020
Much better than a Hydrometer
Doug H on Sep 8, 2020
Looking to get an OG measurement without needing such a large sample
Jason T B on Aug 7, 2020
To check gravity
Nicholas K on Jul 28, 2020
J B on Jul 28, 2020
Has the LED light
sandy breth on Jul 23, 2020
trust your advice. Your equipment works as advertised and fast delivery
Larry David M on Jul 13, 2020
Easier than hydrometer
Roman P on Jul 8, 2020
Quicker to take a OG reading and uses less wort.
Donald M on Jul 4, 2020
Improve home brew
Kevin B on Jul 2, 2020
Easier than a hydrometer
Brandon Whitehead on Jun 24, 2020
Would like to try it
James B on Jun 11, 2020
LED Light
THOMAS M on Jun 10, 2020
Broke way to many hydrometers.
Jon C on Jun 10, 2020
Horus Aged Ales Recommended it to me
Reinaldo S on Jun 9, 2020
More precision in getting a starting gravity/less wasted wort
Matt M on Jun 7, 2020
Sounds easier than using hydrometer
Always wanted one
Louis LeBlanc on May 28, 2020
Broke too many hydrometers
W. Patrick Murphy on May 24, 2020
To test my gravity when brewing
Scott s on May 23, 2020
always wanted one
Valued C on May 14, 2020
I've always wanted one
CHARLES A. B on May 7, 2020
To take over the World
Doi j Hayashi on May 5, 2020
For easier gravity readings
Thomas G on Apr 18, 2020
Always wanted one
Rhonda J on Mar 29, 2020
High Tech!
Christopher M on Mar 23, 2020
wanted something easier
marshall b on Mar 4, 2020
Because of the LED light
Gene T on Feb 24, 2020
To measure gravity
Walker T on Jan 21, 2020
Purchased for convenience of taking gravity readings on brew day.
Lawrence Barbian on Jan 1, 2020
Tired of the hassle of collecting sample in hydrometer and getting an accurate temp reading if I even remember to correct for temp
Christopher D E on Dec 23, 2019
Christmas gift
Gerry Ann S on Dec 20, 2019
Recommended by a friend
Margo M on Dec 18, 2019
Want to produce higher quality backyard grape wines.
Michael S on Jul 23, 2021
I wanted one to check things
Gary D on Apr 12, 2021
What is the difference between the mt700 ($59) and this mt708 ($39)?
Shannon McGee on Jan 25, 2020
Dual Scale Refractometer w/ ATC & LED Light
Dual Scale Refractometer w/ ATC & LED Light
Dual Scale Refractomer w/ ATC
Dual Scale Refractomer w/ ATC
BEST ANSWER: I'd go for the mt700 with the internal LED. I bought the mt708 and I have to get directly under a ceiling light in order to read.

4.7 / 5.0
11 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Rated 5 out of 5
works great
love the temperature compensation. don't need a giant vial of wort.. LOL very accurate
May 11, 2021
4 months ago
Rated 5 out of 5
Start with this. Don't buy it later
If you care about beer, get this first, get it with your first order. it is so much easier than a regular hygrometer to use, and it can get used all the time. I use it to measure the gravity out of the sparge to make sure I get every last sugar molecule out of my grain, and I use it to make sure my OG target is on when we pitch, and I use it to figure out what is wrong with my fermentation when it gets stuck. It's such a marvelous and easy to use tool! I don't even use the built in light. I have a clear sky window to look at. I also check the FG of every beer I like to check and see how they finish. Tip: fill the entire sample space to get a good clear reading. When checking fully fermented beer with CO2 bubbles, slosh the beer well and let stand before reading to get the best accuracy.
April 12, 2021
5 months ago
Rated 5 out of 5
Awesome tool, wish i would have picked this up about 10 batches ago. Compared sample with old school hydrameter and numbers where spot on
April 8, 2021
4 months ago
Rated 5 out of 5
These things are great for getting a read at boil
Needing to know your SG or Brix with a hot boil. This tool is perfect to let you know if you need more sugars or dilution while boiling. The LED light is great for always keeping the viewing area lit up.
February 8, 2021
7 months ago
Rated 3 out of 5
It’s okay. Needs quality control.
I like it. Just make sure to calibrate it with distilled water.

It works good for the initial OG testing with hot wort. (No need to cool the wort prior to testing it).

But use a hygrometer first your FG. (Final gravity).

I knocked-off a few stars because the light literally fell out the second time I used it. It has no light now...which sucks for what you pay for it.

Didn’t want the hassle of calling and doing the whole return thing. Poor quality control.
July 23, 2020
1 year ago
Rated 5 out of 5
Essential tool
Can't imagine what I did before having this... essential information and let's me hit target gravity every time.
July 17, 2020
1 year ago
Rated 5 out of 5
Works well
is spot on with my hydrometer after calibration. Feels a little light so not sure how durable it will be but so far so good!
May 21, 2020
1 year ago
Rated 5 out of 5
Works as promised, easy to use good value
April 27, 2020
1 year ago
Rated 5 out of 5
love it but right side is hard to read
March 25, 2020
1 year ago
Rated 5 out of 5
acurate easy to use easy clean preboil checks a breeze|
January 20, 2020
1 year ago