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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

SB+2 | Scanning Brookfield Plus Two

Low-Temperature Pumpability  |  Gelation Index

Test Methods

ASTM D5133 &  D7110 | Viscosity-Temperature Scanning Technique
ASTM D2983 | Brookfield Viscosity Test
ASTM D4684 | MRV-TP1
ASTM D445 | Kinematic Viscosity
ASTM D97 | Pour Point
ASTM D2500 | Cloud Point
Chinese GB-11145
Chinese SH/T0732


The two most recognized applications of the SB+2 are the Scanning Brookfield Technique (ASTM D5133 & D7110) and the Brookfield Viscosity Test (ASTM D2983).  The use of the patented SimAir™ Test Cell allows the SB+2 to be held at a constant temperature during the 16-hour soak period of the Brookfield D2983 test. This provides greater versatility, increased sample through-put and improved precision over air baths and programmable liquid baths.

The versatility of the SB+2 bath stems from its broad cooling range, both manual and automatic temperature control, the incorporation of a viewing window and five easily replaceable bath covers (Insert Modules). The bath now serves as a cooling source for seven different low-temperature test methods -- making it a cost effective instrument for demanding lab schedules.

Features & Benefits

  • Versatile liquid bath for analyzing lubricants and fluids meeting numerous low temperature test methods.
  • Easily replaceable Insert Module for each test.
  • Programmable & Manual bath temperature controls.
  • Self-contained refrigeration system capable of cooling to -70°C.
  • Generates the Gelation Index & Gelation Index Temperature according to ASTM D5133 and D7110 methods.
  • Designed for use with patented SimAir™ Test Cells for Brookfield D2983 testing.
  • Ideal for low-temperature work with fresh, sooted, or highly oxidized oils, ATFs, and fuels.

Reference Oils

GIR-150  |  Gelation Index Reference Oil
LNP-5  |  Low Temperature Newtonian Oil

For a complete listing of part numbers and available container sizes of SB+2 Reference Oils, please review the Tannas Reference Oils & Catalysts Parts List.

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

Parts & Accessories

Scanning Brookfield (D5133 & D7110) Components:
100898:  SBT™ Viscometer Assembly (TAV-III)
100750:  Tannas SBT2010 Automation Package
100030:  SBT™ Rotor
100055:  SBT™ Glass Stator
100031:  Female Hook
100032:  Male Hook
040013:  LNP-5 Calibration Fluid (1.89 L)
030007:  GIR-150, Gelation Index Reference Oil (0.94 L)

Additional Insert Modules:
100170:  Brookfield Carousel Insert Assembly (ASTM D2983)
350400:  MRV-TP1 Module Assembly (ASTM D4684)
100203:  Low Temperature Kinematics Module (ASTM D445)
100202:  Pour Point/Stable Pour Point (ASTM D97/FTM 203C)
Components & Accessories:
100235:  Tannas D2983 SimAir™ Test Cell Assembly
100236:  SimAir™ Glass Stator
100019:  Brookfield LVDV1 M Digital Viscometer
100005:  Brookfield LV-DV2T Viscometer
170033:  Spindle Storage Block
170028:  Test Cell Holding Rack
350190:  Desiccant Assembly
550175:  Desiccant Media
100863:  Tannas Pre-Heater (110 V)
100856:  Tannas Pre-Heater (220 V)
970137:  Bath Lamp - LED
100015:   RTD Assembly - 9”


Contact Tannas for additional spare parts, reference oils, and accessories to run the various SB+2 Insert Modules.

SB+2  |  Scanning Brookfield Plus Two

Brookfield Viscosity Insert Module for ASTM D2983 testing.


SimAir™ Test Cells used with the ASTM D2983 Insert Module.


SBT (Scanning Brookfield Technique™) Insert Module for ASTM D5133 & D7110 testing.


Mini-Rotary Viscometer (MRV TP-1) Insert Module for ASTM D4684 testing.


Cloud & Pour Point Insert Module for ASTM D97, D2500, and FTM 203C testing.


Kinematic Viscosity (KV) Insert Module for ASTM D445 testing.