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Fisherbrand™ ASTM™ Hydrometers, Plain Form

API hydrometers are available in regular and ASTM™ recommended forms.

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Catalog No. 11-603FC

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These hydrometers are manufactured to meet or exceed ASTM™ E 100 specifications which are accepted by NIST™ and U.S. Bureau of Mines.

  • Permanently marked with individual serial numbers
  • Without thermometer in body
  • Approximate length: 330mm
  • Temperature of standardization: 60°F

Order Info

A certificate of calibration is available; simply add the letter “C” to the end of the catalog number when ordering.


A certificate is provided to indicate instrument traceability to standards provided by NIST.


Meet or exceed ASTM E 100 specifications which are accepted by NIST and U.S. Bureau of Mines, Calibrated according to ASTM E 126 specifications.



3-point Certification, NIST, Cited in ASTM E100-14 Table 1, ASTM E126
Soda Lime Glass
69 to 81° ASTM 8H-62
330 mm
Product Certifications


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