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
Ambient temperature 10 °C ~ 40 ℃
Relative humidity ≤ 80 %
Ignition Mode electron igniter / gas flame
Temperature range Room Temperature ~ 300 ℃
Ambient temperature 10 °C ~ 40 °C
Relative humidity ≤ 80 %
Measurement Range Ambient Temperature ~ 250 °C
Flash Point Lower than 104 °C , error is 2 °C; Higher than 104 °C , error is 6 °C
Ambient temperature ≤ 35 °C
Relative humidity ≤ 85 %
Temperature range 5 °C ~ 110 °C, Each scale division is 0.5 °C; 20 °C ~ 150 °C, Each scale division is 1.0 °C; 90 °C ~ 370 °C, Each scale division is 2 °C
Aperture of ignition device 0.8 mm
Ambient temperature (-10) °C ~ 35 °C
Relative humidity ≤ 85 %
Capillary viscometer 11 pieces
Stirring motor 6 W, 1200 rpm
Ambient temperature (-10) °C ~ 35 °C
Relative humidity ≤ 85 %
Capillary viscometer 7 pieces of Cannon-Fenske reserve-flow capillary viscometer tubes in a group
Stirring motor 6 W, 1200 rpm
Ambient temperature (-10) °C ~ 35 °C
Relative humidity ≤ 85 %
Capillary viscometer 11 pieces
Stirring motor 6 W, 1200 rpm
 Temperature range Room temperature to 1000 ºC
Temperature resolution 0.1 ºC
Temperature fluctuation ±0.1 ºC
Heating rate 1 ~ 80 ºC / min
Calorimeter type Isoperibol
Temperature range 5 to 40°C
Measurement range 5 to 40 MJ/ kg
Operation Mode A. Outer barrel temperature follows room temperature change mode Or B. Outer barrel temperature constant mode
Calorimeter type Isoperibol
Temperature range 5 to 40°C
Measurement range 5 to 40 MJ/ kg
Operation Mode The outer barrel temperature is constant
Calorimeter type Isoperibol
Oxygen filling Fully automatic oxygen filling & releasing, fully automatic bomb raising & lowering
Bomb volume 250 ml
Analysis time < 8 min full test process: <10 min