| Instrument model specification | BRR-3A (High Temperature) | BRR-3B (Medium Temperature) | BRR-3C (room temperature) | BRR-3D (Low Temperature) |
| 1. Specific heat capacity range | 0.05-5 (kj/kg * k) | 0.05-5 (kj/kg * k) | 0.05-5 (kj/kg * k) | 0.05-5 (kj/kg * k) |
| 2. Test accuracy | Solids ≤ 1% ± 0. 002; Powder ≤ 2% ± 0. 002 |
Solids ≤ 1% ± 0. 002; Powder ≤ 2% ± 0. 002 | Solids ≤ 2% ± 0. 008; Powder, liquid ≤ 3%±0.008 |
Granules and powders ≤ 1%±0.002 |
| 3. Test temperature range | 200-1300 ℃ or 400—1550℃ |
100—800℃ | Room temperature-100 ℃ | -40—100℃ |
| 4. Sample requirements | Solid sample size, (φ 10-φ 14) × (20-40) mm; Powder about 6 (cm3) |
Solid sample size, (φ16-φ20) × (30-50) mm; Powder about 15 (cm3) |
Solid sample size, φ20 * 80 (mm); Powder and liquid sample volume, about 25 (cm3). |
Sample size of granules and powders: about 55 (cm3) |
| 5. Calorimetric resolution | 0.001℃ | 0.001℃ | 0.001℃ | 0.001℃ |
| 6. Calorimeter | The heat capacity of the calorimeter is about 1500J/K, and the temperature resolution is 0.001 ℃ | The heat capacity of the calorimeter is about 1000J/K, and the temperature resolution is 0.001 ℃ | Calorimetric power supply: voltage 0-24V, resolution 1 mV; Current 0-1A, resolution 0.01 mA. |
Calorimetric power supply: voltage 0-24V, resolution 1 mV; Current 0-1A, resolution 0.01 mA. |
| 7. Atmosphere environment | Sample anti-oxidation protection: argon | Sample anti-oxidation protection: argon | Atmospheric | Vacuum degree:-0.095 MPa |
| 8. Experimental methods | Hybrid method | Hybrid method | Adiabatic method | Adiabatic method |
| 9. Power supply | 1300 ℃ specification 220V/50Hz, W ≤ 6 KW. 1550 ℃ specification 380V/50Hz, W ≤ 8KW. |
220V/50Hz, power consumption less than 3KW | 220V/50Hz, power consumption less than 1KW | 220V/50Hz, power consumption less than 1KW |
| 10. Instrument configuration | Includes a BRR-3A high-temperature specific heat capacity tester host, a set of software, a set of communication interface and data cable, a high-precision constant temperature water tank, and a brand desktop computer (configured according to the contract). | Includes a BRR-3B medium temperature specific heat capacity tester host, a set of software, a set of communication interface and data cable, a high-precision constant temperature water tank, and a brand desktop computer (configured according to the contract). | Includes a BRR-3C normal temperature specific heat capacity tester host, a set of software, a set of communication interface and data cable, a high-precision constant temperature water tank, and a brand desktop computer (configured according to the contract). | Includes a BRR-3D low-temperature specific heat capacity tester host, a set of software, a set of communication interface and data cable, a high-precision constant temperature water tank, a vacuum pump, and a brand desktop computer (configured according to the contract). |
| 11. Measurement and control methods | Computer fully automatic testing, data processing, and can generate test report printout. |
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