Koehler K60092 Automatic Heated Oil Test Centrifuge

Last Updated
26 Aug 2022
Country Origin
United States
Minimum Order
1 unit

Specification of Koehler K60092 Automatic Heated Oil Test Centrifuge

Test Method

Centrifugation provides a convenient means of determining sediment and water content in crude oil, fuel oils, middle distillate fuels, and biodiesel. Also used in determining the precipitation number, demulsibility characteristics, trace sediments, and insolubles in used lubricating oils.


Capacity: Four (4) oil test centrifuge tubes: long (100mL), short (100mL), pear (100mL), or finger tubes (12.5mL)

Maximum Speed: 2200 RPM

Maximum RCF: 1327 (long); 1170 (short); 865 (pear-shaped)

Timer: 0 to 999 min

Set Speed: 200 - 2200 RPM

Speed Readout: 0 - 2200 RPM

Temperature Control: ambient to 93°C (200°F)

Temperature Readout: Digital

Brake: Automatic Dynamic


  • Choice of long, short, pear, or finger rotor assembly to accommodate corresponding centrifuge tubes

  • Accommodates four (4) four centrifuge tubes of 6 or 8” conical ASTM types, long, short, pear or finger tubes

  • Automatic control of acceleration ramp, centrifugation speed, andtiming functions.

  • 4-1/2” LCD Touch Screen Control Panel

  • Substantial Insulation for Reduced Heat Loss

  • Precise balancing, Quiet Operation

  • Large, clear, top opening lid

  • Class 1, Division 2 explosion resistant rating


Fully automatic bench top centrifuge designed expressly for petroleum testing applications. Features a 4-1/2” LCD touch screen control panel. This integrated touch screen can be used to turn the heat on and off, set the duration of the test, set the RCF/RPM values and choose the type of rotor assembly and corresponding glassware to be used during the test. The Servoed motor speed mechanism allows the user to simply set the desired speed and the instrument will attain that speed. This mechanism calculates RPM based on the given RCF and type of Rotor selected. The large, clear, top opening lid provides for easy access to the rotor and tube holders and for cleaning of the unit. The lid has a 18-1/2” diameter viewing window allowing the operator to view inside the chamber for checking the status of the rotor and checking for possible spillage of the centrifuge tubes. Molded PTFE cushions provide for maximum protection and easy positioning of the tubes. Safety Features The Centrifuge comes equipped with a Safety Lockout Mechanism. Upon emergency shutdown the door is locked and cannot be unlocked until the unit comes to a complete stop, the unit is turned back on, and the stop/unlock key is pressed on the touch screen display. Furthermore, the centrifuge cannot start while the door of the chamber is open and the latch is not engaged. The “Nitrogen Purge” feature allows for a slow release of Nitrogen into the bowl of the centrifuge. This feature requires an external Nitrogen Gas source and can easily connect to an Inlet port located at the back of the unit.

Electrical Requirements

115V 60 Hz, 7A

230V 50/60 Hz, 3.5A

Additional Accessories

  • K60002-LT-1 Rotor Assembly for Long Tubes

  • K61101 Centrifuge Tube, Long, 100mL, 8”, marked in mL (ASTM D91, D96, D893, D1796, D4007)

  • K61106 Centrifuge Tube, Long, 100mL, 8”, marked in 200 parts (ASTM D96)

  • K61110 Centrifuge Tube, Long, 100mL, 8”, marked in mL every 1mL above 10ml (ASTM D96, D4007)

  • K61112 Centrifuge Tube, Long, 100mL, 8”, marked in 200 parts every 2 parts above 20 parts (ASTM D96)

  • K61109 Centrifuge Tube, Cone-Shaped, 100mL with capillary tip capable of measuring 0.01 mL and readable by estimation to 0.005%

  • (ASTM D2273, D2709) (K61153 cushion required for each tube)

  • K61135 PTFE cushion for Long Tubes

  • K61153 PTFE cushion for Long Tubes with capillary tip (Required for K61109 tubes)

  • K60002-ST-1 Rotor Assembly for Short Tubes

  • K61102 Centrifuge Tube, Short, 100mL, 6”, marked in 200 parts every 4 parts above 20mL (ASTM D96)

  • K61105 Centrifuge Tube, Short, 100mL, 6”, marked in mL (ASTM D96)

  • K61107 Centrifuge Tube, Short, 100mL, 6”, marked in mL every 2mL above 10mL (ASTM D96)

  • K61108 Centrifuge Tube, Short, 100mL, 6”, marked in 200 parts (ASTM D96)

  • K61146 PTFE cushion for Short Tubes

  • K60002-PT-1 Rotor Assembly for Pear Tubes

  • K61104 Centrifuge Tube, Pear, 100mL, marked in mL

  • K61152 Centrifuge Tube, Pear, 100mL, with tube tip having graduations of 0.01mL over the range 0 to 0.2mL (ASTM D2709)

  • K61111 Cork Stopper for Long, Short and Pear Tubes

  • K60002-FT-1 Rotor Assembly for Finger Tubes

  • K61141 Centrifuge Tube, Finger Tube (API 2542)

  • K61136 Felt support for Finger Tube

  • K61132 Cork Stopper for Finger Tube


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