Introduction
A petroleum engine oil apparent viscosity tester is an instrument used to measure the apparent viscosity of the engine oils at the low temperatures, and it is used in the petroleum, the lubricant, the automotive, and the quality control industries. The apparent viscosity at the low temperatures indicates the pumpability and the flow properties of the engine oil in the cold conditions, and it is measured by the cold cranking simulator (CCS) method or the mini-rotary viscometer (MRV) method, following the standard test methods, such as the ASTM standards; the petroleum engine oil apparent viscosity tester consists of a viscometer or the simulator, a temperature control system, a torque and a speed measurement system, and the controls, and it provides the apparent viscosity, expressed in millipascal-seconds, with features such as the temperature control and the data management; the petroleum engine oil apparent viscosity tester is used for the measurement of the apparent viscosity of the engine oils, for the assessment of the low-temperature properties, for the quality control, for the formulation, and for many other applications, and it is an essential instrument for the oil testing. Petroleum engine oil apparent viscosity testers are used in the petroleum industry, in the lubricant industry, in the automotive industry, in the laboratories, and for many other applications. With their apparent viscosity measurement, petroleum engine oil apparent viscosity testers are essential for the low-temperature oil testing.
Engine Oil Apparent Viscosity Tester T-S210EAV
Engine Oil Apparent Viscosity Tester operates within a temperature range of -5 °C to -30 °C for accurate viscosity measurements for various engine oils. It features a measuring range of...
Standards
Complies with the above standards, but is not limited to them.
Features
1. Determines apparent viscosity of engine oils at low temperatures using rotational viscometer.
2. Precision temperature control with standardized cooling rate for reproducible low-temperature measurement.
3. Suitable for SAE J300 engine oil viscosity grading and cold-cranking simulation.
4. Includes rotor, stator, temperature sensor and cooling system for complete test setup.
5. Supports evaluation of engine oil pumpability and cold-start performance.
FAQ
Q1: What testing scenarios is this instrument mainly applied to?
A: The engine oil apparent viscosity tester is used in lubricant manufacturing, automotive research and petroleum laboratories to measure the apparent viscosity of engine oils at low temperatures using the cold-cranking simulator or mini-rotary viscometer method. It supports SAE J300 engine oil viscosity grading, formulation evaluation, product specification compliance and quality control. Apparent viscosity at low temperatures indicates how easily an engine oil flows during cold start and whether it can be pumped to critical engine components, directly affecting engine wear and startability in cold climates. This measurement is essential for certifying multi-grade engine oils such as 0W, 5W and 10W grades for winter operation.
Q2: What standards does the instrument comply with?
A: The cold-cranking simulator method follows ASTM D5293 for apparent viscosity of engine oils between -5 and -35 degrees Celsius, SAE J300 for engine oil viscosity classification, and the corresponding GB/T 6538 method. The mini-rotary viscometer references ASTM D4684 and ASTM D3829 for yield stress and apparent viscosity. The instrument complies with relevant laboratory safety standards.
Q3: What is the warranty period for the whole machine and key components?
A: The whole tester is covered by a 12-month warranty. The cooling system, rotor assembly and controller are covered, while rotors, stators and seals are consumables excluded from warranty. Damage from improper sample loading, overcooling or unauthorized repair is excluded. Extended service contracts are available.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires trained laboratory personnel familiar with low-temperature viscosity testing and engine oil specifications. We provide an operation manual and remote guidance. Proper sample preparation, rotor calibration, cooling rate control and result interpretation are important for accurate results.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular calibration required? What is the recommended calibration cycle?
A: Rotor and stator calibration with certified viscosity reference oils should be performed according to the standard method, typically before each test series or after maintenance. Temperature calibration is recommended every 6-12 months. Full system verification with a reference oil is recommended for accredited laboratories.
Q7: Are supporting consumables universal?
A: Rotors, stators and reference oils are available from the supplier or authorized distributors. Reference oils should be certified and traceable to international standards. Long-term consumable cost is moderate.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes temperature range, automation level and rotor configuration. Additional rotors, stators and reference oil sets can be ordered separately. Custom orders extend delivery lead-time.
Q9: Does the purchase include on-site installation and commissioning service?
A: Standard delivery includes the instrument and accessories with an operation manual. Remote commissioning guidance is provided. On-site installation and training are not included for standard orders but can be arranged for laboratory setup projects.
Q10: What types of samples are compatible with this equipment?
A: The tester handles engine oils within the method viscosity and temperature range. Used oils with contamination or degradation may produce different results from new oils. Samples should be homogeneous and free of particulates. Users should follow the standard method for sample preparation, test temperature and calibration procedure, selecting the appropriate method based on the expected viscosity grade and test temperature.
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