#1 Compact Battery Hydrometer Set | Brady Instruments
#1 Compact Battery Hydrometer Set

#1 Compact Battery Hydrometer Set

  • #1 Replacement Hydrometer Float
  • Replacement Glass Barrel
  • Natural Red Rubber Set

Click here for other stock hydrometer range options.


This century old hydrometer design allows the user accurate and reliable specific gravity readings for a lifetime. This high quality tool will test your battery's state of charge and give you an understanding of the overall health of your batteries. Its compact, heavy-duty design can monitor your flooded lead-acid batteries for decades and optimize the life of your expensive batteries. Check out Using a Battery Hydrometer Set in our Instructions section for more information. Also, check out our Videos section for more how to. Works well with large or small batteries. The flexible rubber tip allows for use in tight spaces. This set also includes 1 extra hydrometer float as well as our Wall Mount/Drip Cup System to keep your hydrometer safe and clean. Be sure to select which temperature base (60°F or 77°F) you would prefer and also whether or not you would like a colored zone float or Non-Colored Zone Float. All of the floats have the same specific gravity range. The options are whatever your preference may be. Feel free to ask any questions as we always have technicians standing by to answer them. 

Product Information:

  • Heavy Duty, Industrial Grade, and Compact Battery Tester
  • 2  - 1.100-1.300 Specific Gravity Range Hydrometers
  • Distortion Free Glass Barrel
  • Professional Grade Rubber Parts
  • 8” Flexible Tip
  • 3" Hard Tip
  • Wall Mount/Drip Cup System
  • Assembly and Usage Instructions
  • Reusable Packaging
  • 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!