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Koehler™ Ramsbottom Carbon Residue Apparatus

Determines the “carbon residue” left after evaporation and pyrolysis of a sample oil in the Ramsbottom furnace, providing an indication of the deposit forming tendencies of fuels and guidelines for the processing of refinery products.

Manufacturer: koehler inst co  K27100

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Catalog No. KL-K27100

 Please call Customer Service at 1-800-234-7437 or send an email to for assistance.

Description & Specifications


Calibration Yes
Capacity Five coking bulbs
Height (English) 14.5 in.
Height (Metric) 37cm
Hertz 60Hz
Voltage 115V
Weight (Metric) 29kg
Width (English) 21.5 in.
Width (Metric) 55cm
Weight (English) 64 lb.
Certifications/Compliance ASTM D524, D6074; IP 14; ISO 4262; FTM 791-5002; NF T 60-117
Electrical Requirements 115V 60Hz
Product Type Ramsbottom carbon residue apparatus

  • Thermostatically controlled coking furnace for five samples
  • Cast-iron block type furnace rapidly reaches the standard test temperature of 550°C (1022°F) and controls with ±1°C stability
  • Microprocessor temperature control has °C/°F switchable digital setpoint and display
  • Operator and equipment are protected by an overtemperature control circuit which automatically interrupts power to the unit, should block temperature exceed the programmed cut-off point
  • RS-232 Communications software, ramp-to-set and other enhanced features are available (sold separately)
  • Replacement control bulb (13-187-10) sold separately
  • Electrical Reqts: 115V 50/60Hz
  • Dimensions: 16L x 21.5W x 14.5 in.H (41 x 55 x 37cm)
  • Net Weight: 64 lb. (29kg)
  • Shipping Weight: 78 lb. (35kg)
  • Shipping Dimensions: 8.2 cu. ft.