About Us

Kolery Instrument is the manufacturer of petroleum laboratory testing equipment,  we can provide a full range of petroleum product quality testing equipment, including lubricating oil &  insulating oil testing, diesel fuel and asphalt analysis, etc. Our main customer groups are energy companies, oil extraction companies, oil filter production companies and equipment trading companies. We have customers all over the world, and we have received good reviews from customers, and the repurchase rate of our products is very high.

We have a professional team. Our members have many years of professional technical background in petroleum product tester, with an average age of 28 years old, full of vigor and innovation. We firmly believe that customer trust comes from the quality of products, so we have been focusing on product quality.

We have a wide product line, which can help customers build a comprehensive petroleum product quality testing laboratory, including lubricating oil testing, insulating oil testing, asphalt, diesel testing, etc. Our products can detect contamination of petroleum products, oil quality, particle size, moisture content, rust, foam characteristics and so on.

We have more than 5000 square meters of factory, production process and management mature. We will strictly test the product performance before delivery to ensure that customers receive satisfactory products. We provide thoughtful after-sales service to ensure that customers have no worries.

Petroleum Lab Test Series

Aromatic Hydrocarbon Analyzer
Spectroil
Calorimeter
Oil Particle Counter
Nitrogen Analyzer
Sulphur Content Tester
Octane Meter
Viscosity Meter
Closed Cup Flash Point Analyzer
Open Cup Flash Point Tester
Boiling Point Tester
Dew Point Meter
Freezing Point Tester
Distillation Apparatus
Pour Point/Cloud Point/Cold Filter Point Tester
Online/Portable Oil Water Content Analyzer
Surface Tensiometer
Petroleum Densitometer
Petroleum Mechanical Impurity Analyzer
TAN TBN Tester
Carbon Residue Analyzer
Aniline Point Tester
Existent Gum Tester
Ash Content Tester
Vapor Pressure Tester

Lubricating Oil Analysis Series:

Colorimeter
Air Release Value Tester
Lubricating Oil Moisture Meter
Foam Characteristic Tester
Oil Quality Analyzer
Oxidation Stability Tester
Dropping Point Tester
Corrosion Tester
Oil Demulsibility tester
Channel Point Tester
Evaporation Loss Tester
Anti-water Washout Tester
Friction Test Machine

Transformer Oil Test Machine:

Oil Charging Tendency Tester
Tan Delta Tester
Dissolved Gas Analyzer
Acidity Tester
Multifunctional Degassing Oscillator
Oil Dielectric Strength Tester
Karl Fischer Moisture Analyzer