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Combined form thermohydrometer which is not only a hydrometer to read density, but also contains a thermometer in the body with temperature range from 0 to 150 F
Clear easy to read double scales routinely used for determining the gravity of crude oil and other liquid petroleum products. Hydrometers are 15" long
Each glass hydrometer is uniquely numbered and traceable to NIST. Manufactured in accordance with API Chapter 9.3 of the MPMS ASTM D and E100
Available in ASTM scale 51HL -1/11, 52HL 9/21, 53HL 19/31, 54HL 29/41, 55HL 39/51, 56HL 49/61, 57HL 59/71, 58HL 69/81, 59HL 79/61, 60HL 89/101, And in API ranges 10/45, 45/90, 10/30, 20/40, 30/50, 30/90, 40/60, 50/70, 60/80, 70/90, 80/100
For instruction on use, please reference The API Manual of Petroleum Measurement Stands (MPMS), Chapter 9 - "Standard Test Method for Density, Relative Density, and API Gravity of Crude Petroleum and Liquid Petroleum Products by Thermohydrometer Method"
L-K Industries API hydrometers have multiple ranges that are precision grade for measuring API gravity of crude oil and other petroleum products. We offer all ranges that comply with API (American Petroleum Institute and The American Society of Testing Materials (ASTM) E100 standards, from -1 degrees to 96 degrees. Made in the USA out of precision grade glass and ballast to ensure accuracy. Each is serialized, traceable to NIST, and inspected in our ISO/IEC 17025:2005 ANAB Accredited Calibration Laboratory. Hydrometers are available with a thermometer inside the body center. Non-mercury hydrometers are available as well. All hydrometers are designed to be used with the Hydrometer Cylinder Heater.