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.

Temperature measurement range 10 ~ 35 ℃
Repeatability error ≤ 0.2 % (Grade C)
Endured pressure in oxygen bomb 20 MPa
Operation environment temperature 15 ~ 28 ℃
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 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
Capacity 2.0 kVA
Speed of voltage increase 2 k V/ s
Voltage inspection accuracy 0.01
Breakdown sensitivity < 0.1 kV
Dimension 390 x 260 x 590 mm
Total power consumption ≤ 1200 W
Power supply AC 220 V ± 10 %, 50 Hz
Heating power of water bath 1000 W
Power supply AC 220 V ± 5 % , 50Hz
Measurement range 0 ~ 75 kV
Voltage rising rate 3 kV ± 10 % / s
Distance between electrodes 2.5 mm
Power supply AC 220 V ± 10 %, 50 Hz
Temperature controlling range in water bath RT ~ 90 ℃ ± 5 ℃
Cooling bath temperature (-35) ℃ ± 1 ℃
Evaporation temperature 35 ℃ ± 1 ℃
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
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)
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