Item Description: Reichert Rhino Series: Rhino Duo-Chek Engine Coolant and Battery Test Refractometers quickly and accurately determine freeze protection and percent concentration of engine coolants and battery charge level Product Specs: Model DC 70 Specific Gravity : 1.100-1.400 Scale Division : 0.01 Antifreeze Protection Ethylene Glycol: +32 to -60F Propylene Glycol: +32 to -60F Scale Division: 5F Coolant Concentration Scale Ethylene Glycol: 0-70% Propylene Glycol: 0-63% Refractive Index Range: 1.3330-1.4048 Calibration Liquid: Distilled Water 1Accuracy: 1.0F Application Check engine coolant and battery condition Product: Handcrafted in the USA, These refractometers offer exceptional optical design and improved image resolution with high contrast for easy viewing of scales. All reflection-coated glass optical components, including a 7x eyepiece, have been developed to improve illumination and shadowline contrast. Black housing improves image quality by reducing stray light. Optics and instrument scales are sealed inside, safe from harsh external conditions. The Rhino Duo-Chek Engine Coolant and Battery Test Refractometer offers an accurate, fast and easy-to-use method for testing engine coolant freeze point, glycol concentration, and battery charge condition. Automatic temperature compensation provides immediate, accurate direct readings of ethylene glycol, environmentally-safe propylene glycol, and battery electrolyte with only a few drops of sample. One Rhino Duo-Chek can measure: • Freeze Point of Ethylene Glycol coolant • % Concentration of Ethylene Glycol coolant • Freeze Point of Propylene Glycol coolant • % Concentration of Propylene Glycol coolant • Battery Electrolyte specific gravity • Battery Electrolyte charge level Included are: White box that includes the manual, a pipette and the unit its's self. International Shipping: Shipping is $18.00 ($12.00 to Canada) via US Postal's Global Priority Mail/Air Mail and is advertised as taking 3-8 business days. Please be advised that there can be Customs delays from time to time. These packages come with Delivery Confirmation Numbers only - No Insurance or Tracking Numbers. Excellent value for the money and very reliable however! Paying by Credit Card? Yes we take credit card payments, but over the phone or via online invoices generated through PayPal or Google. Please expect confusion if you click "Pay by Credit Card" as is coercing you to use PayPal for it's "ease of payment" capabilities for future orders. They are intentionally making it hard on you, so they will convert you to PayPal later... You have been warned! This new policy of their makes it harder on everyone... Questions? Larger Orders? Please feel free to call, fax or e-mail! Want it right away? Want more? You can buy them at our Store Listings! Click the tag ------ Other types of Portable Refractometers are available through our Store! National Industrial Supply 30777 Rancho California #891420 Temecula, CA 92589, USA Sales: 951.308.9269 Fax: 310.833.7306 We prefer Paypal!