Introduction
A petroleum vapour pressure tester is an instrument used to measure the vapour pressure of the petroleum products, such as the gasoline and the volatile fuels, and it is used in the petroleum, the fuel, the safety, and the quality control industries. The vapour pressure is the pressure exerted by the vapors of the liquid at a specified temperature, and it indicates the volatility of the fuel, and it is measured by the Reid method, in which the sample is placed in a bomb and the pressure is measured at a specified temperature, following the standard test methods, such as the ASTM D323 and the ISO 3007; the petroleum vapour pressure tester consists of a test bomb, a water bath with the temperature control, a pressure gauge, and the accessories, and it provides the vapour pressure, expressed in kilopascals or in pounds per square inch, with features such as the temperature control; the petroleum vapour pressure tester is used for the measurement of the vapour pressure of the gasoline, the volatile fuels, and the solvents, for the quality control, for the assessment of the volatility, for the safety, and for many other applications, and it is an essential instrument for the fuel testing. Petroleum vapour pressure testers are used in the petroleum industry, in the fuel industry, in the safety, in the laboratories, and for many other applications. With their vapour pressure measurement, petroleum vapour pressure testers are essential for the fuel volatility assessment.
Micro Vapour Pressure Tester T-S210VPT
Micro VapPressure Tester can detect pressure ranging from 0 to 1000kPa. It delivers results in 10 minutes with just 1mL of sample. It quickly creates temperature and pressure comparison t...
Standards
ASTM D323-Standard Test Method for Vapor Pressure of Petroleum Products (Reid Method)
ASTM D5191-Standard Test Method for Vapor Pressure of Petroleum Products (Mini Method)
ASTM D4953-Standard Test Method for Vapor Pressure of Gasoline and Gasoline-Oxygenate Blends (Dry Method)
ISO 3007-Petroleum products and crude petroleum-Determination of vapour pressure (Reid method)
Complies with the above standards, but is not limited to them.
Features
1. Determines vapor pressure of gasoline and volatile petroleum products by Reid method or automated method.
2. Precision temperature-controlled bath maintains test temperature for consistent vapor pressure measurement.
3. Suitable for gasoline quality control, refinery process monitoring and product certification.
4. Includes vapor pressure bomb, bath, pressure gauge or sensor and accessories for complete setup.
5. Supports evaluation of fuel volatility, driveability and evaporative emission characteristics.
FAQ
Q1: What testing scenarios is this instrument mainly applied to?
A: The petroleum vapor pressure tester is used in petroleum refineries, fuel quality laboratories and third-party testing organizations to measure the vapor pressure of gasoline, crude oil and volatile petroleum products. It supports gasoline specification compliance, refinery process control, product certification, seasonal fuel formulation and environmental regulatory reporting. Vapor pressure, commonly measured as Reid Vapor Pressure, indicates fuel volatility and affects engine startability, warm-up driveability, evaporative emissions and vapor lock tendency. It is a critical parameter for gasoline formulation, particularly for seasonal adjustments where higher vapor pressure is needed for cold-weather starting and lower vapor pressure is required for hot-weather operation to prevent vapor lock and excessive emissions.
Q2: What standards does the instrument comply with?
A: The Reid method follows ASTM D323 for vapor pressure of petroleum products, ISO 3007 for petroleum products vapor pressure, and the corresponding GB/T 8017 method. Automated methods reference ASTM D5191 and D5482. The instrument complies with relevant laboratory pressure and electrical safety standards. Test temperature should be 37.8 degrees Celsius per the standard.
Q3: What is the warranty period for the whole machine and key components?
A: The bath, pressure measurement system and controller are covered by a 12-month warranty. Vapor pressure bombs, seals and gaskets are consumables excluded from warranty. Damage from improper pressure operation, overfilling or unauthorized repair is excluded.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires trained laboratory personnel familiar with the test method and pressure safety. We provide an operation manual and remote guidance. Proper sample handling, bomb filling ratio, temperature equilibration and pressure reading are critical for accurate vapor pressure measurement.
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: Bath temperature calibration against a reference thermometer is recommended every 6-12 months. Pressure gauge or sensor calibration should be performed annually with a certified pressure reference. Bomb seal condition should be inspected before each test. Full method verification is recommended for accredited laboratories.
Q7: Are supporting consumables universal?
A: Seals, gaskets and tubing are available from laboratory suppliers, though dimensions should match the bomb specification. Long-term consumable cost is moderate, with seal replacement being the main recurring item.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes automation level, number of test positions and pressure measurement type. Additional bombs and accessories 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, bombs and accessories with an operation manual. Remote commissioning guidance is provided. On-site service is not included for standard orders.
Q10: What types of samples are compatible with this equipment?
A: The tester handles gasoline and volatile petroleum products within the method vapor pressure range. Samples should be collected and stored in sealed containers to prevent light end loss. Highly volatile samples require careful handling to avoid vapor loss before testing. Crude oils may require special consideration due to dissolved gases. Users should follow the standard method for sample handling, bomb filling ratio and temperature equilibration to ensure accurate and reproducible results.
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