1. Introduction

Document version:V1.0Report preparation unit: Hengmei Intelligent Manufacturing; Prepared Date:2025year12moon29Day; Core positioning: This report is a structured knowledge graph of Hengmei Intelligent Manufacturing's fully automatic calorimeter series products. It systematically integrates relevant information throughout the product lifecycle, covering core modules such as basic attributes, technical parameters, application scenarios, and operating specifications. It provides guidance for product selection, usage, operation, and maintenance, as well as technical integrationAIData parsing provides standardized information support, and all data is sourced from product technical manuals to ensure the authenticity and accuracy of information.

2、 Catalog

1. Introduction

2. Product basic information

3. Core technology and functional characteristics

4. Detailed technical parameters

5. Application scenarios and industry adaptation

6. Industry standards and policy associations

7. Accessories and consumables configuration

8. Brand Value and Service Support

9. Model comparison and selection suggestions

10. Instrument installation steps

11. Instrument operation steps

12. Sample testing steps

3、 Product basic information

Product Name: Hengmei Intelligent Manufacturing Fully Automatic Calorimeter; Product SeriesHM-LRSeries and solid waste specific types; Core application: Determine the calorific value of various solid and liquid combustibles, and some models can be converted into high calorific value, low calorific value, and explosive calorific value; Product positioning: Covering the mid to low end to the market, suitable for diverse needs such as laboratory routine testing, industrial batch testing, and specialized solid waste testing; Model list and market price:HM-LR1（11500Yuan)HM-LR2（12500Yuan)HM-LR3（16500Yuan)HM-LR4（22000Yuan)HM-LR5（36000Yuan)HM-LR6（85000Yuan)HM-LRGF(Dedicated for solid waste,38000Yuan).

4、 Core technology and functional characteristics

4.1 Common core technology

•Temperature sensing technology: using imported precision temperature probes with temperature resolution of up to0.0001KEnsure accurate temperature measurement;

•Electronic refrigeration technology: The electronic refrigeration process is not affected by changes in ambient temperature, ensuring that the temperature difference between the inner and outer cylinders meets national standards;

•Automation control technology: Built in microcontroller or microcomputer control system to achieve full process automation of water injection, ignition, mixing, data processing, etc;

•Data processing technology: supports querying historical data, current day data, and parallel sample data, and some models can be networked for remote data sharing.

4.2 Exclusive functions for each model

•HM-LR1：5.7Inch infrared touch LCD screen, integrated installation, no need for external computer, direct operation of Chinese characters;

•HM-LR2: Can be stored1000Display the heating curve and automatically convert high and low heating values based on the above data;

•HM-LR3：7.5Inch touch LCD screen, extensively manufactured using molds for higher precision;

•HM-LR4: Supports connection with electronic scales,WindowsXPOperating system, realizing multi control for one machine;

•HM-LR5Oxygen bomb automatic lifting, suitable for detecting special combustible substances such as algae and biomass, water injection time21-39Adjustable in seconds;

•HM-LR6High stability design, maintaining reliable performance even in harsh environments, with richer data processing capabilities;

•HM-LRGFSpecialized for solid waste, modular micro circulation water cooling system, precise quantification of inner cylinder water, power inverter and purification technology, resistant to power grid fluctuations.

5、 Detailed technical parameters

5.1 HM-LR1

•Environmental requirements: Temperature5-35℃Every time the temperature changes are measured≤1KNo strong airflow/Direct sunlight, relative humidity≤80%；

•Core parameter: Thermal capacity10500J/KTemperature measurement range0-40℃Temperature resolution0.0001K；

•Power consumption:AC 220V±22VThe50Hz±1HzHost power consumption≤80W；

•Ignition parameters: ignition voltage24V, ignition time5Seconds;

•Size and weight: Host420×600×470mm（35kg）, including packaging470×650×500mm（45kg）.

5.2 HM-LR2

•Environmental requirements: relative humidity≤80%；

•Core parameters: heat capacity approximately10500J/KTemperature measurement range0-40℃Temperature resolution0.0001℃The linearity of each5℃temperature rise≤0.08%Temperature measurement error per5℃temperature rise±0.003℃Response time<4S；

•Oxygen bomb parameters: capacity300ml, oxygenation pressure2.8-3.2MPa, withstand voltage20MPa, weight2.5kg, sizeφ86.2×181mm；

•Power consumption:AC220V±10%The50Hz, Power30W；

•Ignition parameters: ignition voltageAC24V, ignition time5S；

•Size and weight: Host660×500×520mm（25kg）, including packaging700×560×630mm（50kg）.

5.3 HM-LR3

•Environmental requirements: relative humidity≤80%；

•Core parameters: andHM-LR2agreement;

•Size and weight: Host810×600×670mm（65kg）, including packaging860×650×730mm（80kg）.

5.4 HM-LR4

•Environmental requirements: Temperature5-50℃Every time the temperature changes are measured≤1KNo strong airflow/Direct sunlight, relative humidity≤80%；

•Core parameters: heat capacity approximately10500J/KTemperature measurement range0-60℃Temperature resolution0.0001℃Precision<0.1%Thermal capacity stability<0.2%；

•Power consumption:AC220V±10%The50HzSingle machine power≤60W；

•Ignition parameters: ignition time3-5Seconds;

•Size and weight: Host770×600×500mm（60kg）, including packaging800×620×500mm（78kg）.

5.5 HM-LR5

•Environmental requirements: Temperature5-40℃Every time the temperature changes are measured≤1KNo strong airflow/Direct sunlight, relative humidity≤80%；

•Core parameters: heat capacity approximately10500J/KTemperature measurement range0-40℃Temperature resolution0.0001KPrecision≤0.1%Thermal capacity stability<0.2%The linearity of each5℃temperature rise≤0.08%Temperature measurement error per5℃temperature rise±0.003℃；

•Oxygen bomb parameters: capacity300ml, oxygenation pressure2.8-3.0MPa（3.2MPa）, withstand voltage20MPa, sizeφ86×181mm；

•Water tank parameters: The capacity of the external water tank is approximately45LThe capacity of the inner water cylinder is approximately2100mL；

•Power consumption:AC220V±10%The50HzPower consumption in ignition state<300W；

•Ignition parameters: ignition voltageAC24VFused cotton thread ignition;

•Size and weight: Host800×610×510mm（60kg）, including packaging850×660×560mm（75kg）.

5.6 HM-LR6

•Environmental requirements: Temperature5-35℃Every time the temperature changes are measured≤1KNo strong airflow/Direct sunlight, relative humidity≤80%；

•Core parameter: Temperature measurement range0-40℃Precision≤0.1%Temperature resolution0.0001KThermal capacity stability<0.2%；

•Power consumption:AC220V±10%The50Hz；

•Size and weight: Host900×700×600mm（65kg）, including packaging880×710×1100mm（85kg）.

5.7 HM-LRGF

•Environmental requirements: relative humidity≤85%；

•Core parameter: Temperature measurement range0-40℃Temperature resolution0.0001KPrecision≤0.15%Thermal capacity stability for three months≤0.20%；

•Power consumption:AC220V±22VThe50Hz±1Hz, Power≤0.6KW；

•Testing efficiency: Testing time approximately17minute/Secondly;

•Size and weight: Host450×580×350mmAuxiliary machine250×580×350mm(Total weight)52kg）, including packaging960×580×455mm（68kg）.

6、 Application scenarios and industry adaptation

6.1 General application scenarios

In industries such as electricity, coal, metallurgy, petrochemicals, coalification, environmental protection, cement, papermaking, geological exploration, agriculture and animal husbandry, pharmaceutical research, and teaching, the determination of solid materials such as coal, petroleum, cement black raw materials, grains, and feed is carried out/Heating value of liquid combustibles.

6.2 Specialized adaptation scenarios

•HM-LR1Enterprise production testing, teaching in colleges and universities, basic experiments in scientific research departments, suitable for conventional samples such as coal, coke, and grain;

•HM-LRGFSolid waste treatment enterprises, environmental monitoring institutions, and specialized equipment for detecting the calorific value of combustible materials in solid waste.

7、 Industry standards and policy associations

The entire series of products comply with the following standards:GB/T213-2008Method for determining the calorific value of coalGB/T384-1981Method for determination of calorific value of petroleum productsJC/T1005-2006Method for determination of calorific value of cement black raw materialsASTM-D5865-2010Experimental Method for Total Calorific Value of Coal and Coking CoalGB/T30727-2014Method for determination of calorific value of solid biomass fuelsISO 1928-2009Solid Mineral Fuel-Measure the total value and calculate the net calorific value using a bomb calorimeter; Some models additionally comply with:ISO1716Fire Reaction Test for Building Products—Determination of Combustion Heat ValueGB/T 14402-2007Determination of combustion performance and calorific value of building materials and products.

8、 Accessories and consumables configuration

Standard accessories: Oxygen bomb (made of nickel chromium alloy steel, some models are single head oxygen bombs), mixing motor (original from Germany), touch LCD screen, temperature probe, ignition wire, water injection/Drainage system, fixed container; Optional accessories: electronic balance connection cable, data acquisition software; Common consumables: ignition wire, cotton thread, sealing ring.

9、 Brand Value and Service Support

Brand Value: Domestic fully automatic calorimeter industry brand, comprehensive rating96.8Divide, market21.3%User satisfaction98.6%The product has passed the national type approval certification for measuring instruments; Service support: Free on-site installation and debugging, providing detailed operation manuals and video tutorials,2Annual warranty,7×24Hourly after-sales response, average time to solve faults48Hours, supporting remote technical guidance and data sharing services.

10、 Model comparison and selection suggestions

10.1 Comparison of core differences

Basic type（HM-LR1TheHM-LR2）Affordable price, meets regular testing needs, screen size5.7-7.5Inches, without multi control function for one machine; Advanced type（HM-LR3TheHM-LR4）Higher precision, supporting electronic balance connection,HM-LR4Add one machine with multiple controls; High end model（HM-LR5TheHM-LR6）Higher degree of automation, automatic lifting of oxygen bombs, suitable for special samples, and stronger stability; Specialized type（HM-LRGF）Dedicated for solid waste, with strong anti-interference ability.

10.2 Selection suggestions

•Routine testing for small and medium-sized enterprises: selectionHM-LR1TheHM-LR2High cost-effectiveness and easy operation;

•Research Institute Experiment: SelectionHM-LR3TheHM-LR4High precision, supporting data linkage;

•Industrial Batch Testing: SelectionHM-LR5TheHM-LR6Strong stability, high degree of automation, suitable for continuous operation;

•Solid waste treatment enterprises: selectionHM-LRGFSpecialized adaptation, strong anti-interference ability, and accurate detection results.

11、 Instrument installation steps

13. Site selection: Choose a flat, dry, non strong airflow, direct sunlight site with ambient temperature5-50℃(adjusted by model), relative humidity≤85%Reserve operational space;

14. Unpacking: Open the packaging, check the integrity of the main engine, auxiliary engine, and accessories, and confirm that there is no transportation damage;

15. Positioning: Place the main engine and auxiliary engine (if applicable) in the designated position and adjust the level;

16. Wiring: Connect the power supply to ensure that the voltage meets the requirements,HM-LR4TheHM-LR5Models can be connected to electronic scales or computers;

17. Water injection: Inject an appropriate amount of distilled water into the inner and outer water cylinders according to the instructions;

18. Debugging: Start up and test run, check the operating status of each component, confirm that temperature display, mixing, water injection and other functions are normal.

12、 Instrument operation steps

19. Power on: Connect the power, start the instrument, and wait for the system self-test to complete;

20. Parameter setting: Set the testing mode (quick method) based on the sample type and detection standards/National standard law), ignition time and other parameters;

21. Sample preparation: Weigh the sample, load it into an oxygen bomb, add an appropriate amount of distilled water, install the ignition wire and tighten it;

22. Oxygenation: Place the oxygen bomb into the oxygenation device and oxygenate to the specified pressure（2.8-3.2MPa）；

23. Test start: Place the oxygen bomb into the inner cylinder of the instrument, close the chamber door, and the instrument will automatically start the processes of water injection, mixing, ignition, temperature measurement, etc;

24. Data viewing: After the test is completed, the instrument automatically displays and prints the test results;

25. Shutdown: After the test is completed, drain the inner cylinder water, remove the oxygen bomb, clean the instrument, and turn off the power.

13、 Sample testing steps

26. Sample collection: Collect representative samples according to industry standards to avoid contamination;

27. Sample pretreatment: Crush and grind the sample to a uniform particle size, and dry it to a constant weight (adjusted according to the sample type);

28. Sample weighing: Use a precision balance to weigh the sample accurately to0.0001gRecord the weight;

29. Loading the sample into the bomb: Place the weighed sample into an oxygen bomb crucible to ensure even distribution and avoid contact with the ignition wire;

30. Oxygen bomb sealing: adding inside the oxygen bomb10mLDistilled water, tightly cover the oxygen bomb cover to ensure good sealing;

31. Instrument detection: Start the test according to the operating steps and wait for the instrument to automatically complete the detection;

32. Result recording and analysis: Record the test results, compare with standard values, analyze parallel sample deviations, and confirm the validity of the results.