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Sundy calorimeters can be used to determine the calorific value of coal, coke, petroleum, cement black meal, solid biomass fuels and other combustibles. Conformance with Standards: GB/T213-2008 Standard Test Method for Calorific Value of Coal ASTM D5865-2010 Standard Test Method for Gross Calorific Value of Coal and Coke ISO1928 Solid Mineral Fuels – Determination of gross calorific value by the bomb calorimetric method and calculation of net calorific value


  • Method: Isoperibol
  • Analysis Time: SDC311< 11min, SDC313<13min, SDC5015 < 15 min
  • Precision: RSD<0.1%
  • Heat capacity stability: ≤0.20% within three months
  • Heat capacity precision: ≤0.1%
  • Temperature resolution: 0.0001K
  • Power Requirements: 220 V±10%, 50Hz,
  • Max Power: 1.5kw
  • Gas Requirements: Oxygen (99.5% purity)
  • Water Requirements: Distilled water 
  • Standard Layout:
    SDC311 Calorimeter: SDC311 Calorimeter/ Water Tank/
                                   Lenovo PC (Desktop)/Printer
    Size: 432*560*393mm
    N.W.: 60kg



Independent bucket and jacket water system
Bucket water will be drained to water tank directly after finishing the test, so the inlet and outlet of bucket water will not affect the jacket water.

Constant bucket water volume and temperature
Constant volumetric tank with temperature controlling device enables a high level of uniformity on both water volume and temperature for each test.

High temperature resolution
Temperature control utilizes a PT1000 Platinum resistance probe for temperature resolution to the nearest 0.0001k.

Stable and reliable water quality
Equipped with high quality water purification device, the water quality of each test is guaranteed.


Internal stability
Internal stability is secured with the aid of temperature control device and a helix tube within both the lid and the bucket wall. These enable the system with constant water temperature even if the ambient temperature fluctuates by 10℃ in the single period of testing

Power supply stability
Unique design of inverter which can purify and stabilize the power supply ensures the calorimeter will not be affected by the fluctuation of power voltage (from 160V to 240V) and frequency.

Test Turn Over
Due to the nature of this water calorimeter, there is no cool down or prepping time in between tests. And with bomb identifier, up to four bombs can be recognized. So, as soon as one test is completed the bomb can be replaced immediately with another to recommence testing.

High automation
•Automatic oxygen filler equipped, oxygen filling by one press;
•Automatic controlling of water volume, filling, heating, empting and jacket water circulation;
• Automatic sample ignition
• Automatic temperature rise measurement and result calculation.

Easy to operate, handle and maintain

• Easy to use Windows-based software.
• Easy data handling, real time data can be transmitted through internal network.
• With CAN bus interface, several calorimeters can be controlled by a single PC.
• Connected with balance and network by standard interface RS232. Durable bombs need hydrostatic pressure test only once a year.

Models,Primary Aluminium,Secondary Aluminium,Bronze/Brass,Phosphorous Copper,Aluminium Bronze,

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