HB Instrument Company Plain Form Baum Hydrometers. The petalled versions are used for measuring the relative humidity in a given area. Baum petalled hydrometers are also used for testing evaporation rates of liquids in bulk or semisolid form. Baum petalled hydrometers are used for testing evaporation rates of liquids in bulk or semisolid form. The petalled versions are also used for measuring specific gravity in liquid and semisolid form. The petalled forms are used for measuring the specific gravity of liquids in sample vessels e.g. test tubes vials etc. The petalled forms are used for measurement of continuous flows in process industries where the percentage of liquid to solids in the sample can vary greatly. Specifications for HB Instrument Company Plain Form Baum Hydrometers 4600 : Range Baum B : 0 to 12 Subdivisions B : 0.1 Unit: Each (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine HB Instrument Company products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Labware & Accessories with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for HB Instrument Company Labware & Accessories. We are an authorized supplier to all federal and state government agencies as well as to research and educational institutions and can facilitate volume orders on many types of laboratory equipment lab consumables and other products to help fulfill your specific needs. We offer Free Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over 49. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses. In addition to the HB Instrument Company Plain Form Baum Hydrometers 4600/ 34559-903 we carry a full complement of Labware & Accessories as well as other product offerings from HB Instrument Company. We also carry a full line of HB Instrument Company accessories to help meet your laboratory and scientific needs. For a complete selection of HB Instrument Company Labware & Accessories please visit our HB Instrument Company page. For more brand name Labware & Accessories please visit our Labware & Accessories store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. HB Instrument Company Plain Form Baum Hydrometers 4600