Existent Gum Tester LEGT-T2032

Introduction

Existent Gum Tester has a φ260 × 130 mm evaporation bath and works within a temperature range of 160℃ to 165℃. It includes 5 pieces of testing holes and is capable of determining up to five samples at once. Equipped with a specialized air compressor that meets industrial needs. Our gum tester is designed per the D381 standard and determines gum content in fuels by jet evaporation. This petroleum testing is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Existent Gum Tester is widely used in the petroleum, chemical, and automobile industries. It is the best choice for aviation gasoline and automotive gasoline manufacturing, using, and researching companies for existent gum determination.

Specifications

Evaporation Bath Type	Aluminum bath
Evaporation Bath Size	φ260 × 130 mm
Testing Holes	5 pieces
Testing Cylinder Hole Size	φ51 × 70 mm
Working Temperature	160℃ to 165℃
Decompression Valve Working Pressure	0.07 MPa
Jet Nozzle Air Flow Rate	600 ml/s
Power Consumption	3.5 kW
Power Supply	AC 220 V ± 10 %, 50 Hz
Dimension	590 × 480 × 340 mm
Packing Dimension	810 × 550 × 780 mm
Gross Weight	72 Kg

Features

Utilizes a metal bath for rapid heating

Automatic temperature control

Independent flow meter

Manual flow control

Simultaneous testing

FAQs

1. How does the Existent Gum Tester measure gum residue after testing?

It Existent Gum Tester measures residue by inspecting and weighing the remaining content in the evaporation beaker after testing. The difference between the initial fuel volume and the residual weight gives the gum content. The residue detected by the tester shows the fuel’s tendency to form deposits during use or storage. The lower the residue value, the better the fuel’s stability and performance.

2. What type of fuels can be tested using the Existent Gum Tester ?

The Existent Gum Tester is ideal for testing volatile fuels such as motor gasoline, aviation gasoline, and fuel blends. The device is not recommended for diesel or heavy oils due to different testing needs. It can replicate high-temperature engine conditions using air-jet evaporation. The instrument is essential for identifying gum-forming tendencies in light fuels.

3. Can users customize airflow or temperature on the Existent Gum Tester for specific fuel types?

Existent Gum Tester allows manual control of airflow using individual float-type flow meters for each sample. The temperature is automatically maintained within the standard 160–165°C range for reliable operation. device offers flexibility to adjust flow for different test conditions while maintaining temperature stability. The settings should follow D381 recommendations to ensure valid, repeatable results.

4. What should users do if the residue appears unusually high or inconsistent when using the Existent Gum Tester ?

It Existent Gum Tester may produce high residue levels if the fuel is contaminated or the equipment is not properly cleaned. The issue could also result from unstable temperature or uneven airflow during the test. recommendation is to inspect calibration, verify equipment cleanliness, and repeat the procedure if needed. The test results obtained from this device should be documented for traceability and troubleshooting.

5. How can users verify that airflow is accurate during testing with the Existent Gum Tester ?

The Existent Gum Tester includes individual float-type flow meters that visually indicate airflow (approx. 600ml/s per nozzle). The user can adjust valves to maintain the float in the calibrated range for each sample. system supports periodic verification using external flow calibrators to ensure airflow consistency. The accuracy of airflow is critical in order to achieve uniform evaporation and reliable results.

6. What precautions should be taken when handling hot parts of the Existent Gum Tester ?

Existent Gum Tester operates at high temperatures, so users must wear heat-resistant gloves when handling sample holders. The aluminum bath of the tester can reach up to 165°C during testing. advice is to allow the unit to cool fully before cleaning or removing parts. The metal surfaces near the bath should be avoided during operation, and safety warnings should be followed at all times.