Item Description: ZGRA-100ATC Portable Antifreeze/Glycol & Battery Refractometer (Fahrenheit Version). ...OR you can choose our ZGRA-200ATC unit (Celsius Version).You choose which unit you want!IMPORTANT! HIGH QUALITY!OUR UNITSARE MADE OF STURDY ALUMINUM! A GOOD DEAL IS ONLY GOOD IF THE PRODUCT LASTS... AND IF THE VENDOR IS STILL AROUND!NO ONE HAS BEEN SELLING REFRACTOMETERS AT eCRATER LONGER THAN US!ZGRA-100ATC Scale Ranges:Propylene Glycol: 32F to –60F (5F Intervals & Accuracy)Ethylene Glycol:, 32F to –84F (5F Intervals & Accuracy)Battery Fluid Specific Gravity: 1.100 to 1.400 with “Recharge”, “Fair” and “Good” Ranges (0.050 Intervals) The scale is MUCH clearer than this scale depicts below!ZGRA-200ATC Scale Ranges:Propylene Glycol: 0'C to -50'C (5'C Intervals & Accuracy)Ethylene Glycol:, 0'C to -60'C (5'C Intervals & Accuracy)Battery Fluid Specific Gravity: 1.100 to 1.400 with “Recharge”, “Fair” and “Good” Ranges (0.050 Intervals) The scale is MUCH clearer than this scale depicts below!Included are: a pipette for dropping test fluids onto the prism, a mini screwdriver for scale calibration, and a Users Guide. This item has NO RESERVE pricing! * This unit will check your anti-freeze mixtures, and tell you what condition your battery is in! A serious tool for serious automotive people! * This model is made by the same manufacturer who makes the Refractometers for major Automotive/Tool Resellers (like the companies who drive the tool trucks around town). One BRAND NEW ZGRA-100ATC (or ZGRA-200ATC) Portable Refractometer in a blue, foam-lined hard plastic case. This model is designed to measure either Propylene Glycol or Ethylene Glycol Antifreezes and Battery Fluid. Checking these fluids will allow you to measure your radiator and battery’s performance. The refractometer will insure that all is working properly, and not causing problems (like rust, prone to freezing, poor charging, poor cooling, etc.). This unit is designed with Automatic Temperature Compensation ("ATC") which allows for ambient shifts in outdoor temperatures, while still yielding accurate results. ATC works between the temperatures of 10'C to 30'C (50'F to 86'F) This unit is also fantastic for testing aviation grade hydraulic oils (like Skydrol), Glycol-based heat transfer fluids, and fire resistant hydraulic fluids used in die casting or foundry applications. Heavy Duty + Internal Light = Unique Design!The reinforced forward hinge makes for fewer parts AND is 90% LESS LIKELY TO BREAK THAN OTHER MODELS! This model is also a HEAVY DUTY integrated design made of an extra ounce of machined aluminum. It also has the advantage of having an internal light! This feature allows you to flick the side button to have light whenever you need it. No more squinting to see the scale! Perfect for testing in low light environments or the professional who needs the best tool around!This unit sells for over $100.00 USD at Automotive supply stores and tool trucks. Get yours today at WHOLESALE prices! High Quality!Each item is carefully manufactured and inspected to insure a long life in use. This item comes with a THREE YEAR WARRANTY against defects. Simply put, if it fails you, you get a replacement for FREE. An eCRATER first for quality Refractometers! No one backs their products like we do! 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. We can ship on yourUPS & FedEx accounts. For Express rates, please e-mail your entire mailing address, and we'll get back to you with a tailored quote. Air Mail/Global Priority: World: $15.00 Canada: $12.00International Shipping Insurance is an additional $15.00.IF YOU WANT THE UNIT WITHOUT THE WAIT, PLEASE CHECK OUT OUR STORE!