Gill Battery - Hydrometer | FR-1

Gill aircraft battery hydrometers are used to easily check the electrolyte level of your battery and tells you the correct ratio of liquid to the density of water. It requires only a small amount of fluid and is ideal for close quarters. 

• Tests for 6, 12 and 24 volt batteries
• Is calibrated to provide accurate measurements
• Small enough to fit in your pocket or keep on your airplane
• Float calibrated from 1.100 - 1.300
• Specific gravity in 5 degree intervals