Introduction
Vapor pressure measuring instruments are used to measure the vapor pressure of liquids, which is the pressure exerted by the vapor in equilibrium with the liquid at a given temperature, and they are used in the petroleum, chemical, and many other industries for the characterization of fuels, solvents, and other volatile liquids. The vapor pressure is an important property of volatile liquids, indicating their volatility and their tendency to evaporate, and it is used for the classification of fuels, such as the Reid vapor pressure of gasoline, for the assessment of the flammability and the storage requirements, and for process control; the vapor pressure is measured by various methods, including the Reid method, in which the sample is placed in a sealed chamber and the pressure is measured at a specified temperature, the static method, in which the vapor pressure is measured directly, and the dynamic method, in which the liquid is boiled and the boiling point is measured, and the instruments follow standardized methods, such as ASTM D323 for the Reid vapor pressure; the vapor pressure tester consists of a sample chamber, a pressure gauge or sensor, a temperature control system, and a control system, and it provides the vapor pressure, expressed in kilopascals or pounds per square inch. Vapor pressure testers are used for testing the vapor pressure of gasoline and other fuels, for testing the vapor pressure of solvents, for quality control, for the classification and labeling of flammable liquids, for compliance with regulations, and for many other applications. With their measurement of the vapor pressure, vapor pressure testers are essential for the characterization of volatile liquids.
Automated Reid Vapor Pressure Tester LVPT-T2012
Automated Reid Vapor Pressure Tester measures evaporative pressure of liquid with accuracy of ±0.1 kPa. It provides rapid testing with intuitive touchscreen interface for user-friendly ...
Vapor Pressure Tester LVPT-T2011
Vapor Pressure Tester maintains a stable bath temperature of 37.8°C with an accuracy of 0.1°C for precise testing. Its pressure gauge accurately measures vapor pressure. This device ma...
Vapor Pressure Tester (REID METHOD) LVPT-T2010
Vapor Pressure Tester ( ) accurately measures the vapor pressure of gasoline, volatile crude oil, and other volatile petroleum products. It maintains a constant temperature of 90°C for ...
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. Vapor pressure tester for measuring fuel vapor pressure.
2. Automated tester measuring vapor pressure of petroleum products.
3. For petroleum, gasoline and fuel QC laboratories.
4. Includes tester, cells, software and manual.
5. Measures vapor pressure by standardized methods.
FAQ
Q1: What scenarios is this tester used for?
A: It measures the vapor pressure of gasoline and volatile petroleum products, supporting fuel specification, volatility and safety-related QC.
Q2: What standards does it comply with?
A: It follows ASTM D323, D5191 and D6378, related ISO and GB/T standards, with pressure calibrated. The relevant parameters are verified during final inspection before shipment, and compliance documentation or test reports can be provided on request for your quality records.
Q3: What is the warranty?
A: The tester carries a 12 to 24 month warranty covering the instrument. Cells and seals are wear parts. Damage from over-pressure or misuse is excluded.
Q4: Is it hard to operate?
A: Operation requires trained staff for volatile sample handling. We provide a manual and training.
Q5: What is the lead time?
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 calibration required?
A: Performance should be verified periodically using calibrated reference standards, with results logged in the equipment record. Most users perform this check every 6 to 12 months or according to their internal quality schedule. We provide the procedure, reference materials and formal calibration service if required.
Q7: Are consumables universal?
A: These are disposable consumables and should be replaced after use to avoid cross-contamination. They are standard laboratory items available directly from us or from general laboratory suppliers, which keeps running costs low. We recommend keeping a small stock, and bulk pricing is available for regular orders.
Q8: Can it be customized?
A: Yes, several configurations are available. Options include automatic sampling, methods and data systems. We can discuss further custom requirements, confirm feasibility and advise any effect on the schedule before the order is confirmed.
Q9: Is installation included?
A: The instrument does not need professional installation. After unpacking, connect it to the specified power supply, allow it to stabilize and confirm the self-check passes. The package includes a printed manual, and our support team offers remote assistance throughout setup.
Q10: What samples are compatible?
A: It handles volatile petroleum products within the method. It is not for non-petroleum samples, unstable samples outside safety limits, or pressures beyond rating.
Tips: For more details, quotes and customized solutions, please contact us anytime. We’re always ready to serve you professionally.