The HYDROVOLT battery tester is a heavy-duty, chemical-resistant hydrometer which is direct-reading and accurate at all electrolyte temperatures. Its advanced design incorporates important practical features which simplify battery servicing as never before.

• Handy compact size for use with hard-to-get-at batteries
• Large, easy-to-read scale with quick-check colored sectors
• Readings independant of vertical positioning of instrument
• Fast, bubble-free intake of fluid sample
• Automatic air-lock prevents fluid loss and air bleed
• Unexcelled temperature compensation and measuring accuracy
• Sturdy, shock-resistant materials, non-corrosive throughout

Dimensions: 5.25" x 4.25" x 1.5"

spec sheet: MNHYDROMETER