The all-new Precision series of liquid immersion test equipment is engineered for high-accuracy testing in accordance with a variety of key ASTM petroleum test methods. The Precision series modernizes our line of high-temperature test equipment that uses liquid as the temperature control medium. Our newly developed immersion heating system increases the temperature accuracy and stability while also modernizing the form and function of the unit. The heating system features 2-position control head to ensure the best fit of our system in your lab space.

The Precision Series of equipment features the following models:

• K641 Series - D2440 Mineral Oil Oxidation Stability
• Conforms to ASTM D2440 specifications
• K642 Series - Oxidation Stability
• Conforms to ASTM D943, D2274, D4310, ISO 4263, and related specifications
• K643 Series - D130 Copper Strip Corrosion
• Conforms to ASTM D130, IP 154, ISO 2160 and related specifications
• K643 Series - D4048 Copper Strip Corrosion
• Conforms to ASTM D4048 and related specifications
• K643 Series - Silver Strip Corrosion
• Conforms to IP 227 and related specifications
• K644 Series - D525 Oxidation Stability of Fuels
• Conforms to D525, D873, and related specifications
• K645 Series - D942 Oxidation Stability of Greases
• Conforms to D942 and related specifications
• K646 Series - Hydrometer Bath
• Conforms to D1298, D6074, D6158, ISO 3675, and related specifications
• K648 Series - LPG Corrosion
• Conforms to D1838, ISO 6251, and related specifications

The Koehler Precision series of liquid immersion test equipment is now available for purchase. Please reach out to your Koehler Sales Representative for more information!