Labtron LBC-C20 is manufactured with desktop computer and test software. The instrument 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 | 14000 ~ 15000 J / K |
|---|---|
| Temperature measurement range | 10 ~ 35 ℃ |
| Temperature controlling range | |
| Repeatability error | ≤ 0.2 % (Grade C) |
| Endured pressure in oxygen bomb | 20 MPa |
| Operation environment temperature | 15 ~ 28 ℃ |
| Temperature resolution | 0.001 ℃ |
| Mean value of heat capacity | |
| Heating power | |
| Temperature fluctuation | Not more than 1 ℃ during a test |
| Ambient temperature | Less than 85 % |
| Relative humidity | |
| Endured pressure of oxygen bomb | |
| Temperature saved | |
| Measurement accuracy for heat value | |
| Dimension | |
| weight | |
| Power supply | AC 220 V ± 5 %, 50 Hz |
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 ℃ |
| Temperature controlling range | 10 ℃ ~ 35 ℃ |
| Temperature resolution | 0.001 ℃ |
| Mean value of heat capacity | 15 kJ / K |
| Ambient temperature | 20 ℃ ± 5 ℃ |
| Thermometer | 0 ℃ ~ 360 °C |
| Scale Division | 1 °C |
| Ambient Temperature | ≤ 35 °C |
| Relative Humidity | ≤ 85 % |
| Thermometer | 6 ℃ ~ 400 ℃ |
| Scale Division | 2 °C |
| Spout Aperture | 0.6 ~ 0.8 mm |
| Ambient Temperature | -10 ℃ ~ 50 ℃ |
| Ambient Temperature | 10 ℃ ~ 40 ℃ |
| Relative Humidity | ≤ 85 % |
| Temperature Measurement- Full Scale | Ambient temperature to ~ 400 ℃ |
| Temperature Measurement- Repeatability | ≤ 4 ℃ |
| 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 % |
| 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 |
| Temperature controlling accuracy | ± 0.5 ℃ |
| Refrigeration system | New-type refrigeration compressor |
| Cold trough | Two holes in one trough, and same temperature |
| Ambient temperature | ≤ 30 ℃ |
| 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 |
| 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 |
| Experimental temperature range | -50 to 70°C |
| Test sample volume | 50 ml |
| Ambient temperature range | 10 to 40°C |
| Humidity | ≤ 85% |