Choose from a wide range of individually calibrated plain form models measuring the relative density (specific gravity) of oil and petroleum related products in various ranges from -1° to 81° API in accordance with the American Petroleum Institute (API) and the American Society of Testing Materials (ASTM) E100 standards.

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. Temperature of standardization 60F/60F.

• Conform to the accuracy requirements of ASTM hydrometers
• Lead free ballast and glass
• Individually serialized
• Temperature standardization: 60 °F/60 °F
• Made in the U.S.A

Choose from a wide range of individually calibrated plain form models measuring the relative density (specific gravity) of oil and petroleum related products in various ranges from -1° to 81° API in accordance with the American Petroleum Institute (API) and the American Society of Testing Materials (ASTM) E100 standards.

Calibrated traceable to NIST standards at three points; supplied with a detailed calibration report stating corrections to one-tenth of the smallest division.

Calibrated and hand inspected by our U.S. quality team in our exclusive triple accredited/registered ISO/IEC 17025:2005 and A2LA Accredited Calibration Laboratory; internationally recognized and accepted by the signatory economies of the ILAC/MRA and located in our ISO 14001:2004 Environmental Management System registered facility.