Existent Gum Tester LEGT- B30

Introduction

It B30 is manufactured and made as per “Test Methods for Existent Gum in Engine Fuels”. It is suitable to determine the tendency of fuels (gasoline, coal oil, diesel oil) to form gum when used in the motor.

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

It is widely used in petroleum, chemical, automobile and development industries. It is also suitable for determining tendency of fuels (gasoline, kerosene and diesel oil) to form gum when the fuels are used in the engine.

Specifications

Bath type	Oil bath
Bath capacity	5000 ml ± 50 ml
Ambient temperature	Room temperature to 35 °C
Relative humidity	≤ 85 %
Temperature controlling range	RT to 250 °C
Temperature controlling accuracy	150 °C ± 3 °C；180 °C ± 3 °C；250 °C ± 5 °C
Heating type	Electric heater
Dimension	840 x 380 x 600 mm
Total power consumption	≤ 1200 W
Heating power	1000 W
Power supply	AC 220 V ± 10 %, 50 Hz

Features

Economical in design and size 

High temperature oil bath and control box 

Oil bath adopts stainless steel structure, durable

FAQs

1. How do I prepare a fuel sample for testing with the Existent Gum Tester ?

Existent Gum Tester requires fuel samples to be filtered before testing to remove particulates that may affect results. Fill the sample container to the marked level and ensure it is securely positioned in the evaporating bath. Preheat the unit to the specified temperature based on the fuel type, typically between 150?°C and 250?°C. Always use proper safety equipment like gloves and goggles when handling flammable fuels.

2. Can the Existent Gum Tester be used to test aviation fuels or jet fuels?

It Existent Gum Tester is suitable for testing aviation gasoline and jet fuels in accordance with D381 standards. For jet fuels requiring precise temperatures around 160–165?°C, careful calibration of the device is essential. Always confirm the specific requirements of the test method before using aviation-grade samples. gum tester offers a practical option for basic jet fuel testing needs in standard lab settings.

3. How many samples can be tested at once using the Existent Gum Tester ?

The Existent Gum Tester is designed for single-sample testing, making it ideal for small laboratories or quality control setups with low testing volume. This unit does not support multiple sample positions. The single-sample configuration simplifies handling and cleaning while maintaining precision. tester is best suited for labs prioritizing focused, accurate testing.

4. What should I do if temperature fluctuations occur during testing with the Existent Gum Tester ?

The Existent Gum Tester may show temperature instability if the heating element is faulty or the thermostat is not functioning correctly. Check that the oil level in the bath is within the recommended range, as low oil can cause uneven heat distribution. Also, confirm that the power supply is stable and not experiencing overload. Refer to the user manual or contact our support team if the issue persists.

5. What should I do if the test result shows unusually high gum content when using the Existent Gum Tester ?

Existent Gum Tester may produce high gum values if the fuel sample is contaminated, improperly stored, or aged. Confirm that the test conditions particularly the bath temperature and vessel cleanliness are correct. High gum levels can also indicate oxidation or degradation of the fuel itself. If consistent abnormalities appear, inspect the equipment for calibration issues or uneven heating.

6. What kind of maintenance is required for long-term use of the Existent Gum Tester ?

Existent Gum Tester requires regular maintenance for reliable long-term performance. This includes cleaning the oil bath, checking electrical wiring, and replacing worn components such as seals or heating elements. The temperature control system should be calibrated periodically to maintain accuracy. Storing the unit in a dry, dust-free environment also helps prevent wear and prolongs equipment life.