HB Instrument Company Baum and Specific Gravity Hydrometers

HB Instrument Company Baum and Specific Gravity Hydrometers. Designed for sampling and filling procedures this instrument is a practical and inexpensive device. The bubbler serves as a release valve for the hydrometer and allows one to break the bulb to get extra fluid out of the system. A separate bulb piercing device is included as well as a separate plug for the test tube holder. The hydrometer is a simple tube with a ball bearing at the end of the stainless steel rod which is pulled from the