LBT-1B22 Asphalt Content Analyzer for Asphalt Mixtures Using the Combustion Method (Combustion Furnace)
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Description
Product Introduction:
This instrument is designed and manufactured in accordance with the requirements specified in the People’s Republic of China industry standards JTG 3410‑2025, “Test Procedures for Asphalt and Asphalt Mixtures in Highway Engineering,” specifically the section on “Asphalt Content Determination in Asphalt Mixtures (Combustion Oven Method),” as well as JT/T 671‑2006, “Asphalt Content Tester—Combustion Method,” and the metrological verification procedure JJG (Transportation) 072‑2024, implemented by the Ministry of Transport on April 1, 2025. The instrument enables rapid, accurate, safe, and reliable determination of asphalt content; it is suitable not only for measuring asphalt content in asphalt mixtures but also for conducting sieve analysis on combusted asphalt mixtures, making it an ideal device for testing asphalt content in asphalt mixture production, research, and application. Furthermore, this instrument complies with the technical requirements of ASTM D 6307‑98 and AASHTO T 308‑99.
Product Features:
1. Intelligent: Features automatic generation and storage of test results, retrieval of historical data, and printing of test reports, among other functions. Data upload.
2. Equipped with a 7-inch LCD touchscreen, offering responsive touch‑based interactions.
3. High temperature control accuracy and excellent stability: Temperature control with PID functionality is implemented using PWM modulation.
4. Excellent electromagnetic compatibility: The heating channel features soft‑start functionality for power on/off; the electrical control system is equipped with an electromagnetic shielding enclosure.
5. Energy Efficiency: The furnace body is constructed with thick, high-performance insulation materials, significantly reducing heat loss.
6. This instrument can store 1,000 sets of test data and supports independent deletion, full clearing, and printing of the stored data.
Technical Specifications:
| Parameter Name | Parameter value |
| Maximum specimen weight | 4.0kg |
| Weight measurement accuracy | ±0.1 g |
| Temperature control setpoint range | 100~800°C |
| Temperature measurement resolution | 1.0°C |
| Temperature control accuracy | ±5°C |
| Standard System Configuration | |
| Temperature Acquisition | Two routes |
| Temperature control | Two routes |
| Weight Inspection | All the way |
| Standard material bins, pallet feeders | A set |
| Controller | One unit |
| Micro printer | One unit |
| Rated power of the power supply | 220V AC, 4.5 kW |
| Overall dimensions (length × width × height) | 0.85m × 0.65m × 1.25m |
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LBT-1B22 Asphalt Content Analyzer for Asphalt Mixtures Using the Combustion Method (Combustion Furnace)
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