Automatic kinematic viscosity tester for petroleum products, suitable for the determination of kinematic viscosity of liquid petroleum products (Newton liquid), the method refers to a constant temperature, Measure the time when a certain volume of liquid flows through a calibrated glass capillary viscometer under gravity. The product of the capillary constant of the viscometer and the flow time is the kinematic viscosity of the liquid measured at the temperature (the product of kinematic viscosity at the temperature and the density of the liquid at the same temperature is the dynamic viscosity of the liquid at the temperature). Automatic viscosity measuring instrument for petroleum products, using advanced fuzzy PID temperature control technology, accurate temperature control, accuracy up to ±0.02℃. Can be set 20℃, 40℃, 50℃, 80℃, 100℃ and other national standard temperature control points, and can be set any temperature control temperature (set temperature should be higher than room temperature), set temperature resolution of 0.1℃, can be used as ordinary constant temperature water bath. Automatic kinematic viscosity tester for petroleum products. Four glass capillary viscometers can be used for kinematic viscosity measurement at the same constant temperature at the same time. Each viscometer can be repeated for 4 times as a set of test data. According to the requirements of national standard method, the instrument will automatically remove the timing results that do not meet the tolerance, and take the average value of several other timing values that meet the tolerance, calculate and obtain the kinematic viscosity value of this group of tests. When accurate measurement results are not needed (usually in order to roughly observe the approximate kinematic viscosity value of unknown samples), the timing can be set to a small value, such as 1, 2, or 3 times, so that the approximate kinematic viscosity value of the tested sample can be obtained in a short time. Then, the timing can be changed to 4 times. The final kinematic viscosity of the tested sample can be obtained precisely according to the national standard method. Motion viscosity automatic tester for petroleum products, using high definition color touch screen technology, the interface is rich and clear, touch screen response is fast and flexible; Using large capacity memory chip, up to 2000 measurement results can be stored; The panel mounted thermal printer is used to automatically and quickly print the test results, sample number, test time, viscometer constant, pipe diameter, kinematic viscosity value and other information after the test.
Main features and advantages
1. Efficient and time-saving: It can operate continuously without human supervision, batch process a large number of samples (usually 8-16 or even more), significantly improve laboratory throughput, and save manpower.
2. High precision and high repeatability: precise temperature control (± 0.01 ° C), automated liquid level detection timing (millisecond level accuracy), and elimination of human operation errors (such as line of sight errors and stopwatch response time), resulting in extremely high precision and repeatability of the results.
3. Reduce human error: Fully automated processes minimize the impact of skill differences and fatigue among operators.
4. Excellent reproducibility: Standardized operating procedures ensure consistency of test results across different operators and time points.
5. Reduce solvent contact and safety: Automated cleaning and processing systems reduce the opportunity for operators to come into contact with organic solvents, improving laboratory safety.
6. Avoid cross contamination: Thoroughly automated cleaning and drying procedures effectively prevent cross contamination between samples.
7. Data management: Convenient data storage, retrieval, export (to LIMS system or Excel), and report generation functions.
8. Compliance with standards: Strictly follow important international and national standards such as ASTM D445, ISO 3104, IP 71, GB/T 265, etc.
9. Easy to operate: user-friendly interface, relatively simple settings and operations, low training requirements.
10. Wide applicability: By equipping capillaries with different inner diameters, it is possible to measure a wide range of samples, from low viscosity solvents (such as kerosene) to high viscosity lubricants, asphalt, polymer solutions, and more.
Product parameters
|
Display |
Color LCD display + touch screen |
|
Temperature control range |
Room temperature ~150°C |
|
Set temperature |
20°C, 40°C, 50°C, 80°C, 100°C, any value (higher than room temperature ~150°C) |
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Constant temperature accuracy |
Plus or minus 0.02°C |
|
Heating power |
Number of test holes |
|
Timing range |
0~999 seconds (according to the national standard, the flow time of each test sample must be higher than 200 seconds) |
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Timing accuracy |
0.1 s |
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Timing times |
1 to 4 times This parameter is optional |
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Storage capacity |
2000 test records |
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Printing mode |
Panel mounted thermal printer |
|
Power supply |
AC220V±5% 50Hz±5% |
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Power |
1600W |
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Service ambient temperature |
5°C ~ 35°C |
|
Ambient humidity |
10%~80% |
Product Characteristics
1.Automatic viscosity measuring instrument for petroleum products, using advanced fuzzy PID temperature control technology, accurate temperature control, accuracy up to ±0.02℃
2. Can be set 20℃, 40℃, 50℃, 80℃, 100℃ and other national standard temperature control points, and can be set any temperature control temperature (set temperature should be higher than room temperature), set temperature resolution of 0.1℃, can be used as ordinary constant temperature water bath
3. Four glass capillary viscometers can be used simultaneously for kinematic viscosity measurement at the same constant temperature. Each viscometer can be repeated for 4 times as a set of test data
4. Using high definition color touch screen technology, the interface content is rich and clear, touch screen response is fast and flexible
5. Using large capacity memory chip, up to 2000 measurement results can be stored
6. The panel mounted thermal printer is used to print the test results automatically and quickly after the test is finished
Application Scenarios
Petroleum Product Quality Control
Batch testing of finished oils and lubricants in petroleum processing plants
Incoming raw material inspection to ensure viscosity meets production standards
Quality monitoring of industrial oils before long-term storage
Research and Product Development
Viscosity performance research of new lubricants or fuel additives
Oil formulation optimization and fluidity testing in laboratories
Experimental study of viscosity variation under high-temperature and high/low-temperature conditions
Industrial Equipment and Engineering Project Applications
Oil testing for temporary generators on construction sites and job sites
Regular monitoring of hydraulic systems and mechanical equipment lubricants
On-site oil fluidity verification for engineering projects to ensure efficient equipment operation
FAQS
Q1:What is the difference between kinematic and dynamic viscosity?
A1:Dynamic viscosity measures a fluid's internal resistance to flow when subjected to an external force (like pumping). Kinematic viscosity measures the resistive flow of a fluid under the weight of gravity alone. Essentially, dynamic viscosity is the measure of force, while kinematic viscosity is the measure of velocity
Q2:What are the advantages of the UHV automatic instrument compared to traditional manual capillary viscometers?
A2:Automated Operation: Fully automatic timing, calculation, and outlier elimination throughout the process, reducing human error;
High Repeatability: Each capillary tube can be used for multiple repeated measurements, ensuring data consistency;
High Efficiency: Capable of measuring 4 samples simultaneously, whereas traditional manual instruments can only measure one sample at a time;
Higher Temperature Control Accuracy: Automatic constant temperature control achieves ±0.02°C, while temperature fluctuations in traditional manual methods have a greater impact on results.
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