1.000-1.070 Specific Gravity Hydrometer
This hydrometer is perfect for checking old and new propylene glycol levels in a closed-loop geothermal system.
- Specifically chosen for testing glycol antifreeze concentrations in water
- Helps identify freeze protection of your geothermal ground loop
- Easy to read scale - 1.000 to 1.070 (0.0005 subdivisions)
- Manufactured by VEE GEE Scientific
- Approximate Length 13 in. (330 mm)
- Calibrated @ 60 degrees F