Koehler
Koehler – Petroleum Testing Instruments
Brand Overview
Koehler has been a manufacturer of testing instruments for petroleum, fuels, petrochemicals, and lubricants since 1925. The company’s solutions are designed to meet internationally recognized test methods, supporting research, quality control, and laboratory operations. Koehler’s products emphasize accuracy, stability, and ease of operation, suitable for both automated and manual systems.
Brand Strengths
Compliance with Standards: Instruments and accessories are designed in accordance with the latest ASTM, ISO, IP, and other international standards.
Quality Management System: Certified to ISO 9001:2015, ensuring consistency in design, manufacturing, and quality control.
Comprehensive Portfolio: Covering core petroleum testing areas such as oil, grease, fuel, bitumen, viscosity, flash point, with extensive options for instruments and accessories.
Product Portfolio
Fuel and Lubricant Testing: Distillation, vapor pressure, foaming tendency, water separation, corrosion, and oxidation stability.
Flash Point & Fire Safety: Instruments for determining flash points, essential for assessing fire and explosion risks.
Viscosity, Friction & Wear: Systems for kinematic and rotational viscosity, tribology instruments for friction, wear, and penetration tests.
Temperature & Humidity Chambers: Controlled environments for storage stability, corrosion, and other conditioning tests.
Bitumen, Wax & Penetration: Tests for penetration, ductility, softening point, and other material properties.
Density & Elemental Analysis: Hydrometers and XRF systems for sulfur and elemental measurement.
Laboratory Accessories: Certified glassware, refractometers, ovens, furnaces, centrifuges, and reference standards for calibration and verification.

Value for Users
Reliable Results: Optimized instrument design for each test method, fully compliant with international standards.
Operational Efficiency: Options for automation, precise temperature-time monitoring, and user-friendly interfaces.
Complete Laboratory Solutions: From core instruments to accessories and reference materials, enabling fully integrated lab setups.
Fuels testing
TEMPERATURE & HUMIDITY TEST CHAMBER
Flash Tester
Lubricating Greases testing
Oil penetration testing
Eddy Current Conductivity Meter
Mineral Oil Processing Equipment
Oil and Axid meter
Viscosity for oil
Lubricating Oils testing
Discontinued Products
Abrasion Tester
Density meter
Refrigerant gas detector, air conditioner
















