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H-B DURAC® API ASTM Hydrometers with Individual Calibration Report; Traceable to NIST

Individually Calibrated Petroleum Hydrometers

This individually calibrated plain-form hydrometer measures the relative density of oil and petroleum products.

  • Conforms to API and ASTM E100 standards; calibrated traceable to NIST standards at three points
  • Made with lead-free ballast and glass
  • Individually serialized; temperature standardization: 60/60 °F
  • Calibrated and hand inspected in our exclusive triple-accredited ISO/IEC 17025:2017 and A2LA Accredited Calibration Laboratory
  • Packaged in a recyclable, deluxe storage box; made in the USA

Note: Store in a clean, dry, safe place away from extreme temperatures.

Product Variants

Catalog No. Range Divisions Accuracy Dimensions (Length) Quantity / Pack Where to Buy
B61898-0000 19/31° 0.1° ±0.1° 330 mm (13”) 1 Find a Distributor

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