Kinematic Viscosity Tester-Petroleum Products Test Equipment，ISO 3104 fuel and petroleum products viscosity tester

The Petroleum Products Kinematic Viscosity Tester is a specialized instrument used to measure the kinematic viscosity of liquid petroleum products (Newtonian fluids). You determine viscosity by allowing the liquid to flow through calibrated glass capillaries at a constant temperature, measuring the flow time, and applying the capillary constant to calculate kinematic viscosity. You can also derive dynamic viscosity by combining with the liquid density. This tester is widely applied in petroleum, petrochemical, oilfield, transportation, research, and metrology sectors for quality control and scientific studies.

Application

You can use this instrument in the following scenarios:

(1) Testing petroleum and petroleum-based products.

(2) Measuring physical properties of chemical liquids.

(3) Oilfield product testing and R&D.

(4) Monitoring fuel and lubricants in railways and transportation systems.

(5) Laboratory and university research on liquid viscosity.

(6) Standardized measurements in metrology and calibration departments.

Standards

You can operate this tester in compliance with the following standards:

(1) GB/T 265-2017 – Petroleum Products: Determination of Kinematic Viscosity.

(2) ASTM D445-2020 – Kinematic Viscosity of Transparent and Opaque Liquids (for dynamic viscosity calculation).

(3) ISO 3104:2021 – Petroleum Products: Determination of Kinematic Viscosity.

(4) IP 71:2020 – Petroleum Products: Determination of Kinematic Viscosity.

Parameters

Parameter	Unit	Value
Applicable Fluid	–	Newtonian liquids
Heating Method	–	Water bath with constant temperature electric heating
Test Capillaries	pcs	5 (simultaneous testing)
Heating Medium	–	Clean water
Temperature Range	℃	Room temperature – 100
Heating Power	W	1700
Temperature Control	–	Automatic, ±0.1℃
Bath Dimensions	mm	Φ300 × 300
Overall Dimensions	mm	540 × 370 × 640

Features

High accuracy and repeatability; simple and user-friendly operation.

Efficient insulation material ensures superior temperature stability compared to traditional dual-bath designs.

Powerful stirring motor ensures uniform temperature distribution, improving measurement consistency.

High-precision automatic temperature control with ±0.1℃ accuracy.

Standard bath volume provides stable thermal conditions for accurate testing.

Five simultaneous testing channels increase experimental efficiency.

Specialized viscosity meter clamp ensures safe, reliable handling of capillaries.

Accessories

(1) Capillary Viscometers: Calibrated for measuring flow time.

(2) Clamps: Specialized fixtures for secure holding of viscometers.

(3) Thermostatic Bath: With stirring function to maintain uniform temperature.

(4) Heating Control Instrument: Automatic temperature control.

(5) Stirring Motor: Ensures even temperature distribution in the bath.

(6) Power Cable: Standard 220 V, 50 Hz.

(7) Clean Water: Used as the heating medium.

(8) Temperature Sensor: Real-time monitoring of bath temperature.

Test Procedures

Fill the thermostatic bath with clean water and start the stirring motor.

Set the target temperature and wait until the system stabilizes.

Place the capillary viscometer into the clamp and inject the sample liquid.

Start timing as the liquid flows through the capillary.

Record the flow time and calculate the kinematic viscosity using the capillary constant.

Calculate dynamic viscosity by combining the measured kinematic viscosity with the liquid density.

After testing, clean the viscometers and clamps to maintain instrument hygiene.

Maintenance Information

Regularly inspect capillaries for cracks or residue.

Ensure the bath water is clean and replenished as needed.

Verify the stirring motor and heating system are functioning correctly.

Maintain the clamps and viscometer holders for secure operation.

Record all measurements and maintenance actions for traceability.

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