API Diesel Fuel Tester w/Thermometer | Brady Instruments
API Diesel Fuel Tester w/Thermometer

API Diesel Fuel Tester w/Thermometer

  • API Replacement Hydrometer Float
  • Nitrile Rubber Set
  • Thermometer and Barrel Set
  • BTH-905 Universal Mounting/Hanging Bracket

Please let us know what temperature range is desired (60 or 77) If no temperature base is specified, you will receive 60 degree.


Test your diesel fuel quality... you may be surprised! Many people do not realize that the density of your diesel is directly proportional to your fuel mileage, horsepower and overall engine performanceCheck out Checking Diesel Fuel For Quality in our Instructions section for more information. Also, check out our Videos section for more how to.

Product Information:

  • Heavy Duty, Industrial Grade
  • Hydrometer range 29 - 51 A.P.I. (American Patroleum Institiute)  (Quality Diesel should be approximately 35)
  • Built in Temperature Compensation
  • High Quality Fuel Resistant Rubber Parts
  • All in one design for minimal mess
  • Quantity Discounts Available 
  • Hand-Made in the USA!

Your satisfaction is GUARANTEED! All of our products are N.I.S.T. traceable and guaranteed accurate!