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
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)
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
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
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
Ambient temperature ≤ 35 ℃
Relative humidity ≤ 85 %
Heating power of electric furnace 250 W × 2
Total power consumption ≤ 700 W
Beaker quantity 600 ml
Ambient temperature (-10) °C ~ 40 °C
Relative humidity ≤ 85 %
Thermometer Measurement range (-5) °C ~ 300 °C
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
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
Ambient temperature (-10)℃ ~ 35 ℃
Relative humidity ≤ 85 %
Sample cup Inner diameter 31.0 ~ 32.0 mm
Sample cup Wall thickness 1.0 ~ 1.5 mm
Refrigeration system New-type refrigeration compressor
Controlling temperature of cold trough Cold trough I: RT ~ (-51) °C, ± 1°; Cold trough II:RT ~ (-80) °C, ± 1 °C
Ambient temperature ≤ 30 ℃
Relative humidity ≤ 85 %
Temperature controlling accuracy ± 0.5 ℃
Refrigeration system New-type refrigeration compressor
Cold trough Two holes in one trough, and same temperature
Ambient temperature ≤ 30 ℃