Oxygen Bomb Calorimeter LBC-C21

Labtron LBC-C21 is designed with high precision sensor and microprocessor to get reliable and accurate results. It is designed and made as per the International Standards ASTM D5865-13 “Test Methods for Heat of Coal”, ASTM D240-17 “Test Methods for Calorific Value of Petroleum Products” and ASTM D4809-13“Oxygen Bomb Calorimeter”.

Heat capacity
Temperature measurement range
Temperature controlling range 10 ℃ ~ 35 ℃
Repeatability error
Endured pressure in oxygen bomb
Operation environment temperature
Temperature resolution 0.001 ℃
Mean value of heat capacity 15 kJ / K
Heating power
Temperature fluctuation
Ambient temperature 20 ℃ ± 5 ℃
Relative humidity ≤ 85 %
Endured pressure of oxygen bomb 20 MPa Test pressure in oxygen bomb: 3 MPa
Temperature saved 31 pieces
Measurement accuracy for heat value ≤ 0.2 %
Dimension 400 × 400 × 600 mm
weight 18 kg
Power supply
  • High precision sensor
  • Accurate and reliable
  • Microprocessor for control and led for display
  • Stirring motor has no noise
  • Easy transportation

It is mainly used in petroleum, chemical, automobile and development industries. It is suitable for determining heat value of petroleum products (Gasoline, jet fuels, diesel oil and fuel oils), which do not contain water, coal, paraffin and other combustible substance.

Heat capacity 14000 ~ 15000 J / K
Temperature measurement range 10 ~ 35 ℃
Repeatability error ≤ 0.2 % (Grade C)
Endured pressure in oxygen bomb 20 MPa
Temperature measurement range 10 ~ 35 ℃
Repeatability error ≤ 0.2 % (Grade C)
Endured pressure in oxygen bomb 20 MPa
Operation environment temperature 15 ~ 28 ℃
Ambient temperature 10 °C ~ 40 ℃
Relative humidity ≤ 80 %
Ignition Mode electron igniter / gas flame
Temperature range Room Temperature ~ 300 ℃
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 ~ 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
Air flow rate Not less than 150 L / h
Max. Preset time 99 min 59 s (100 min)
Chamber diameter of oven Φ22 mm
Heating power of oven 1400 W × 2
Sample quantity 2 to 3 ml (it is equal to sample depth of 3 mm to 4 mm)
Measurement time 60, 120, 240, 300, and 600 s at random
Measurement range 7 ppm to 5 %
Repeatability < 0.029 (S + 0.6)
Sample hole 2 pieces
Speed of stirring motor 1400 rpm
Ambient temperature 10 to 35°C
Temperature controlling range Room Temperature to 100°C
Sample hole 4 pieces
Speed of stirring motor 1400 rpm
Speed for sample stirring 1000 ± 50 rpm
Ambient temperature Room temperature to 35°C
Sample hole 4 pieces
Sample quantity 4 to 12 pieces
Ambient temperature Room temperature to 35 °C
Temperature controlling range Room temperature to 100°C
Viscosity measurement range 10 ~ 2000000 MPa•s
Ambient temperature 5 °C ~ 35 °C
Ambient humidity Not more than 80 %
Spindles Four spindles of No.1 ~ 4
Temperature controlling accuracy ≤ 0.5 ℃
Temperature controlling range Room temperature ~ 200 ℃
Power supply for illumination 5 V
Power of motor 2 kW
Measurement range Room temperature ~ 150°C
Stirring speed 0 ~ 1200 r / min
Heating power 25 W
Interior Dimension 360 × 250 × 545 mm