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 ℃
Temperature Range Ambient to 100°C
Temperature Precision ± 0.1°C
Air Flow 94 mL ± 5 mL/min, with flowmeters
Timing Unit 0 to 99 min 59 s, resolution 1 s
Vessel Volume  4000 ml × 2
Power of Vacuum pump 160 W
Negative power 3.7 kPa(27.75 mmHg)
Power of shaking machine 30 W
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
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
 Temperature range Room temperature to 1000 ºC
Temperature resolution 0.1 ºC
Temperature fluctuation ±0.1 ºC
Heating rate 1 ~ 80 ºC / min
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