Existent Gum Tester LEGT- B30

Labtron LEGT- B30 is manufactured and made as per ASTM D381-12 “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.

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
Evaporation bath type and size
Constant temperature bath
Holes for testing
Size of holes for testing cylinder
Flow rate display
Working temperature
Temperature controlling methods
Temperature display
Working pressure for decompression valve
Gas source
Air flow rate at jet nozzle
Dimension 840 x 380 x 600 mm
Total power consumption ≤ 1200 W
Heating power 1000 W
Power supply AC 220 V ± 10 %, 50 Hz
  • Economical in design and size
  • High temperature oil bath and control box
  • Oil bath adopts stainless steel structure, durable

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.

Evaporation bath type and size Aluminum block bath, φ260 × 130 mm
Holes for testing 3 pieces
Size of holes for testing cylinder φ51 × 70 mm
Flow rate display Flow meter
Evaporation bath type and size Aluminum bath φ260 × 130 mm
Holes for testing 5 pieces
Size of holes for testing cylinder φ51 × 70 mm
Working temperature 160 ℃ ~ 165℃
Test bomb Two samples or a group of parallel samples
Bath temperature 37.8 °C
Temperature controlling accuracy 0.1 °C
Dimensions 500 × 560 × 680 mm, 950 × 540 × 720 mm
Operation temperature of water bath RT ~ 90 °C
Temperature controlling accuracy ± 0.1 °C
Dimensions 550 × 520 × 102 mm
Pressure meter accuracy ± 0.4 % kPa
Measurement range 0 to 600 penetration scale
Timing controller 5 sec, 8 sec, 10 sec, 12 sec, 30 sec and 60 sec
Time accuracy ± 0.1 seconds
Resolution 0.01 mm
Measurement range 0 to 600 penetration scale
Timing controller 5 sec or 60 sec
Time accuracy ± 0.1 seconds
Resolution 0.01 mm
Penetrometer
Measurement range 0 to 600 penetration scale
Timing controller 5 sec or 60 sec
Time accuracy ± 0.1 seconds
Resolution 0.1 penetration
Penetration accuracy ± 1 penetration
Weight of standard needle 2.5 ± 0.05 g
Dimensions (W × L × H) 700 × 400 × 750 mm
Weight 30 kg
Circulatory Water Bath
Bath volume 3.5 L
Temperature range 5 °C to 60 °C
Temperature accuracy ± 0.1 °C
Circulatory water quantity 3 L/minute
Pump Lift 2 m
Power consumption 1200 W
Power supply AC 220V ± 10 %, 50 Hz
Dimensions (W × L × H) 600 × 400 × 650 mm
Weight 40 kg
Ambient Temperature Range ≤ 35°C
Relative Humidity ≤ 85%
Heating Mantle Cap Power 1000 W
Sample Determination 1 at a time
Ambient Temperature Range ≤ 35°C
Relative Humidity ≤ 85%
Heating Mantle Cap Power 1000 W × 2
Sample Determination 2 at a time
Ambient Temperature 10°C to 35°C
Measurement Range 0 to 100 mg
Resolution 0.1 µg
Max. Electrolysis Speed 40 µg /s
 Measuring Range For Aviation Gasoline 86.0 to 105.0/MON
 Measuring Range For Gasoline For Motor Vehicles National standard: 65.0 to 110.0/RON<br/> National-V standard: 70 to 115.0/RON<br/> Blended gasoline: 75.0 to 120.0/RON<br/> Light gasoline: 50.0 to 85.0 /MON<br/> Isomerized gasoline: 85.0 to 120.0/RON<br/> Arene gasoline: 90.0 to 120.0/RON
 Measuring Range For Ethanol E93: 92.0 to 95.0/RON<br/> E97: 95.0 to 99.0/RON<br/> Judgement: 60.0 to 120.0/RON
Measuring Range For Automobile Diesel Fuels Cetane number: 25 to 75/CN<br/> Cetane index: 20 to 80/CI
Measurement item motor gasoline and diesel
measurement unit of octane is ON 40 to 120
Permissible error of octane ± 0.5 max
Fluctuate range of octane ± 0.2 max
Measurement range 32 ℃ to 160 ℃
Ambient temperature 35 °C
Temperature resolution 0.01 ℃
Beaker volume 1000 mL