This refractometer is for measuring the sugar content of wort and includes an automatic temperature compensation of 10 - 30 degree Celsius (50-86'F). This refractometer can replace your hydrometer for faster, easier and more accurate measurements. Simply use a drop of wort and put it on the prism. Then hold the refractometer up to the light and look through the eyepiece. Due to the dual scale there is no need convert to specific gravity as the scale measures both Brix and SG. Comes in a hard plastic carrying case with a 4 year warranty. Please check out other refractometers available from Magnum Media; custom ranges and private labeled refractometers available upon request. Compare this unit to the $59.99 units available through online hobby stores - this is a better unit! Many in stock! BRAND NEW! Ships ASAP! Dual range refractometer measures the Brix and Specific Gravity of your Wort or wine.. Measures Brix: 0-32% and Specific Gravity:1.000-1.120 Features ATC (Automatic Temperature Compensation) for accurate readings. A refractometer is easier and more accurate than a hydrometer for measuring sugars. Measures Brix: 0-32% and Specific Gravity:1.000-1.120 2 Years warranty! International Shipping: Shipping will be via US Postal's Air Mail/Global Priority (3-8 business days) is $15.00 ($12.00 to Canada) . There can be Customs delays, and there aren't any Tracking Numbers. WE ARE NOT RESPONSIBLE FOR CUSTOMS DELAYS OR LOST PACKAGES! We get the packages to the shipper, they ship it to you. Don't worry! They do have wonderful service and assist in reducing your import taxes. Buy more items, for a total of 2 portable refractometers, and the shipping charge is still just $15.00 (world)/$12.00 (Canada) via the Air Mail/Global Priority! Of course, you'll have to win this auction to get the first item! Air Mail/Global Priority: World: $15.00 Canada: $12.00 For an additional $15.00 you can upgrade to USPS Express Mail (which takes 3-5 business days) and includes Shipping Insurance to $100.00, Delivery Confirmation and a Tracking Number. National Industrial Supply 30777 Rancho California #891420 Temecula, CA 92591, USA Sales: 951.308.9269 Fax: 310.833.7306 Email: [email protected] We prefer Paypal! Pay me securely with any major credit card through PayPal!