MiniLab 33 - On-Site Oil Analyzer


Oil analysis provides early indications of equipment wear and identifies the root causes of corrosion.  On-site oil analysis eliminates the wait associated with sending samples off-site and enables immediate decision making.

With three simple tests, the MiniLab 33 delivers on-site oil analysis, providing immediate actionable results, saving time and reducing costs. Highlights of this system include:

  • One product, delivering lab-quality analysis outside of the lab
  • Simplified workflow for the non-expert user, no chemist required 
  • Simplified operation, data reporting and report interpretation via the TruVu 360 Diagnostic Sets with recommended actions
  • Highlights
  • Resources
  • Dimensions
The MiniLab 33 provides oil condition information including viscosity,chemistry,water and total ferrous wear measurement of normal and abnormal ferrous wear. 

Trivector™ – oil and machine health simplified

The TriVector™ is a simple representation of the integrity of the lubrication system and the health of the machine itself. The Trivector indicates the degree of health in each vector.  In order to understand the Trivector condition, one must measure the key physical and chemical parameters of the oil.
The following questions can be answered:

The MiniLab 33 combines three simple tests that take less than 7 minutes to complete

(Click on any three tests images below to watch how-to videos)



Parameter Ferrous
ASTM Method D8120

ASTM Method D8092

ASTM Method D7889
Contamination Particle count and ISO codes
Non-metallic particle count, distribution and images
Boron, Calcium, Sodium, Lithium, Potassium and Silicon
Water V
Chemistry Viscosity V
Total Acid Number (TAN) V
Oxidation V
Total Base Number (TBN), Oxidation, Nitration, and Sulfation for engine oils V
Boron, Magnesium, Calcium, Barium, Zinc, Molybdenum, and Phosphorus
Wear Wear particle images, counts and distribution
Total Ferrous content, ppm V
Ferrous particle count and size distribution
Copper, Silver, Chromium, Titanium, Aluminum, Magnesium, Nickel, Iron, Manganese, Lead, Tin, Molybdenum, Cadmium, and Vanadium


TruVu 360 Enterprise Fluid Intelligence

The Minilab 33 uses the TruVu 360 Enterprise Fluid Intelligence software which includes an Asset Management database and a reference oil database which can be expanded by the end user. 

It provides a standard sample trend reports and Diagnostic Sets with alarm limit templates, diagnostics, and recommended actions. It can support automatic email distribution of reports. 

Color-coded Trivector reports provide a clear snapshot of machinery health by identifying parameters that are outside normal limits.

Target Industries

The MiniLab 33 is ideal for a wide range of industries such as: 

Typical limits for machinery

The most common oil analysis tests and typical alarm limits for several component types are shown below.  Component manufacturers establish alarm limits for their equipment for specified parameters.

Accessories & Consumables

Sample Preparation – 1 Simple Step

  1. Homogenize the sample for better water measurement

MiniLab 33 consumables: Cleaning pad, pipette tips, small bottles for water preparation, Ferrocheck vials and boats. 
Spectro Scientific consumables ensure high accuracy and repeatability

Homogenizer (on stand)
Brochure MiniLab Series
Brochure MiniLab Series
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MiniLab 53

35 cm x 50 cm x 53 cm

(13.8” x 19.7” x 21”)

Homogenizer and stand

68 cm x 15 cm x 22 cm

(27” x 6” x 9”)

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