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Tannas Co. & King Refrigeration, Inc. Precision Laboratory Instruments for Routine Testing and Advanced Research & Development of Engine Oils, Lubricants, and Related Fluids

QUANTUM® Oxidation Tester

Non-Liquid RPVOT Oxidation Test

Test Methods

ASTM D2272, D2112
ASTM D4742
ASTM 7098
IP 229
Chinese SH/T0193


The Quantum® Oxidation Tester is the only field-proven non-liquid RPVOT (formerly known as RBOT) instrument in the industry used for evaluating oxidation resistance over a broad range of oils and lubricants.  

Widely used for base oil comparisons and as a condition monitoring tool for turbine oils.

Features & Benefits

  • Non-liquid ‘Dry-Cylinder’ sample heating — eliminates hot, hazardous, liquid bath mess and odor.
  • Software package monitors and records up to four (4) Quantum® instruments at the same time or separately.
  • Rapid turn-around in test capabilities due to independent sample testing — estimated to double productivity with multi-unit setup.
  • Front-loading, easily accessible pressure chamber.
  • Small, bench-top footprint.
  • Simple venting of odors through tubing to scrubber or vent — does not require placement in hood.
  • Advanced research capabilities for other applications with the Sample Temperature Probe and Sample Extraction Device.

Reference Oils & Catalysts

QHR | RPVOT Reference Oil for ASTM D2272
QMR | RPVOT Reference Oil for ASTM D2272 
TFH-220 | TFOUT Reference Oil for ASTM D4742
TFL-60 | TFOUT Reference Oil for ASTM D4742
TFOUT IIID | Catalyst “A” for ASTM D4742
TFOUT IIIE | Catalyst “B” for ASTM D7098

For a complete listing of part numbers and available container sizes of Quantum® Reference Oils & Catalysts, please review the Tannas Reference Oils & Catalysts Parts List.

Visit our Certified Reference Materials page to download SDS sheets or Oil Certificates.

Parts & Accessories

All applications:

200802: Automation Package for Quantum® 
200916: Oxygen Regulator
200914: Certified Reference Oxygen Gauge
040045: VarClean© Cleaner
200920: Laptop Computer
300195: Desktop Computer

ASTM D2272 & D2112 (RPVOT):

200853: RPVOT Sample Beaker
200651: Copper Catalyst Coils
200910: Magnetic Sample Cup w/ Spring Clip
200480: Magnetic Sample Cup Tester
200038: Sample Temperature Probe Assembly
200035: Sample Extraction Device Assembly


200104: TFOUT Conversion Package
200106: TFOUT Segmented Glass Dish
010047: TFOUT Catalyst A Package
010042: TFL-60 Reference Oil
010041: TFH-220 Reference Oil

ASTM D942 (Grease Oxidation):

200475: Grease Test Kit Assembly
200401: Grease Sample Dish

QUANTUM® Oxidation Tester

Quantum with laptop and software.png

The software package monitors and records up to four (4) Quanutm™ instruments at the same time or separately.

Quantum with Extraction Probe.jpg

The Sample Extraction Device allows easy access to the sample during a test, with the ability to extract small amounts of the sample for further analysis.


Grease Kit Assembly for ASTM D942 testing.

Quantum Oxidation Tester with TFOUT for ASTM D4742

The TFOUT Test for ASTM D4742 utilizes a segmented glass dish.


TFOUT Test for ASTM D4742 with the Volume Reducer Cylinder.