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Home / Applications / Petroleum Products and Biofuels / Viscosity / Kinematic Viscosity Bath KV4000

Kinematic Viscosity Bath KV4000

Kinematic Viscosity Bath KV4000


Koehler Instrument Company

Summary of Method


Kinematic viscosity is one of the most important properties to be analized on lubricant oils and Biodiesel. In order to measure it, a few mililiters of sample are placed into a tube called Viscometer and then temperature conditioned inside viscosity bath. The time required by sample to pass through a bulb inside viscometer is measured and multiplied by viscometer´s calibration constant to get Kinematic Viscosity in Centistokes (cSt).




  • Constant temperature Kinematic viscosity bath with seven (7) positions to install viscometers and digital control module to handle integrated timers and measure efflux times for each viscometer.
  • This module also calculates kinematic viscosity automatically multiplying efflux time by viscosity calibration constant previoulsy introduced.
  • Dual Temperature display shows current temperature and setpoint.
  • Temperature bath is installed inside a cabinet which isolates jar from laboratory temperature allowing optimal temperature control even in hot weather or ambient temperature changing laboratories.
  • Equipment includes overheating protection and low liquid level protection.
  • Viscosity measurement is made manually.


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For more information regarding use of this instrument, applications, instruction manuals and maintenance requests, please send us an e-mail to:



ASTM-D6074, FTM-791-305, IP-71, NFT-60-100, DIN-51550, IP-319, ISO-3104.