Automatic Micro Saturated Vapor Pressure Tester Analyzer of Liquid Fuels ASTM D5191
Introduction:
Fully automatic micro saturated vapor pressure tester GD-207 is a fully automatic instrument for petroleum products vapor pressure tester according to the standard test methods SH/T 0794 and ASTM D5191.GD-207 has many new technologies, compact body and super fast temperature control speed. Adopting safe and environmentally friendly metal bath body, the whole machine does not contain any heat-carrying liquid. It avoids the danger of dry burning caused by liquid volatilization and the process of adding liquid regularly. The testing process has precise judgment and simple and convenient operation, all of which ensure that GD-207 can quickly, safely and accurately obtain the vapor pressure of the specimen.
Product advantages:
1.Comply with SH/T 0794 and ASTM D5191 Petroleum Products Vapor Pressure Determination (Micro Method)
2.Determination of vapor pressure of petroleum products (micro method)
3.Accurate and sensitive automatic saturated vapor pressure measurement
4.Fully automated process for easy operation
5.3 ml sample amount, reduce the sample amount
6.Test results in 3~8 minutes, saving time.
Feature:
1. Full compliance with standards
The GD-207 is designed and manufactured in accordance with the SH/T 0794 standard, and the measuring cell is strictly made in 1:4 ratio. Precise temperature control and pressure gas measurement enable GD-207 to accurately obtain the vapor pressure value of the specimen.
2. Automatically gives the result of saturated vapor pressure by the Reid Vapor Pressure,RVP method.
The GD-207 takes only about 5 minutes to perform each test, and the results can be obtained directly and automatically by the Reid Vapor Pressure,RVP method of saturated vapor pressure.
3. Low sample volume
The GD-207 uses as little as 3 ml of sample per test, saving more than 100 mL of sample per test compared to conventional Reid vapor pressure Tester. Test time is also greatly reduced.
4. Access to GD-Lab and LIMS systems
The GD-207 supports the newly developed GD-Lab instrument management system, which facilitates instrument management and the storage and analysis of test data, and the GD-207 also supports the laboratory LIMS system.
Technical specifications:
Standards |
SH/T 0794 ASTM D5191 |
Pressure measuring range |
7~200kPa Resolution 0.01kPa |
Specimen usage |
3mL |
Temperature control accuracy |
37.8ºC±0.1ºC |
Gas-tight syringe |
5mL |
Single test time |
5 minutes. |
Vacuum pumps |
Vacuum level 1Pa achieved |
Display |
inch color LCD display unit
Resolution: 1024*600 |
Dimensions and weight |
W330* D220 * H310 mm 10 kg |
Power supply and power consumption |
AC 220V ±5%;200w |
System Support |
LIMS system, GD-Lab system |
Vapor Pressure Test Method:
The main standard methods for vapor pressure determination are the tertiary expansion method, the micro method, and the Reid method.
1. Petroleum products as well as chemical reagents can be tested for vapor pressure by the tertiary expansion method. The method refers to standards such as SH/T 0769, SN/T 2932 and ASTM D6378 (this standard applies to the determination of temperature 0 ºC ~ 100 ºC, the gas-liquid ratio of 4:1 ~ 0.02:1, the vapor pressure is not higher than 500kPa volatile liquid chemicals vapor pressure determination).
2. The vapor pressure of petroleum products can also be measured by the trace method. The method refers to ASTM D5191 and SH/T 0794 (this standard applies to the boiling point higher than 0 ºC, and in 37.8 ºC, gas-liquid ratio of 4:1 conditions under the vapor pressure of 7kPa ~ 130kPa of liquid petroleum products, and the sample size required in 1ml ~ 10ml)
3. The Reid method is also often used for the testing of vapor pressure of petroleum products. The method refers to GB/T 8017, ASTM D323 and other standards.
Saturated Vapor Pressure Selection List:
Product details:
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