DURAC® API ASTM Certified Hydrometers - 9H - 9H-FC

Measure density according to API degree scale for petroleum applications. Supplied with a detailed laminated Calibration Report stating corrections to one-tenth of the smallest division. Hydrometers are individually serialized, 330mm (13 inch) long and feature a metal ballast. Individually packaged in a recyclable deluxe storage box. Tested and calibrated in our exclusive triple accredited/registered ISO/IEC 17025:2005, A2LA accredited laboratory against equipment whose calibration is traceable to NIST and DKD/PTB. Temperature of Standardization 60ºF/60ºF. Do not contain lead.