- Calibrated as per Class A tolerances
- Each cylinder is engraved with a unique serial number, and comes with a Certificate of Calibration traceable to national standards
- Graduations in Amber enamel
- Manufactured with chemically resistant 3.3 borosilicate glass
- Sturdy hexagonal base prevents roll-over and ensures greater stability
- Calibrated as per Class B tolerances
- Graduations in White enamel
- Manufactured with chemically resistant 3.3 borosilicate glass
- Sturdy Round base prevents roll-over and ensures greater stability
