H-B DURAC 0/50 Percent Isopropyl Alcohol Hydrometer  (B61809-4000)</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>DURAC isopropyl hydrometer measures percent by volume of isopropyl alcohol</li><li>260mm (4in) hydrometer has a range of 0 to 50 and features readings in 1 division</li><li>Has a temperature of standardization 20°C/20°C</li><li>Individually serialized; features a metal ballast</li><li>Tested and calibrated in an exclusive triple accredited/registered ISO/IEC 17025:2005， A2LA accredited laboratory against equipment whose calibration is traceable to NIST and DKD/PTB</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/31wuROdzu5L.jpg' noproxy></br>