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The SJ-07 Fully Automatic Petroleum Product Acid Number Analyzer is designed to measure the acid number content of petroleum products. Featuring a fully Chinese human-machine interface with Chinese prompt menus and guided input methods, it ensures user-friendly and efficient operation. Compliant with GB/T 264-1983 (Petroleum Products—Determination of Acid Number) and referencing GB/T 4945-2002 (Petroleum Products and Lubricants—Determination of Acid and Base Number), it is widely applicable in power, petroleum, chemical, inspection, and research sectors.
High-strength magnetic stirring with adjustable speed ensures thorough and uniform reactions.
Dedicated brown reagent bottles with PTFE (Teflon) sealing caps and cutoff valves effectively isolate air, preventing reagent evaporation and CO₂ interference.
Built-in functions: KOH concentration calibration, titration volume calibration, blank calibration, and optical calibration for high data accuracy.
6 independent channels allow flexible settings for different samples’ acid numbers and masses, meeting diverse testing needs.
Fully automated process: Titration, endpoint judgment, and data printing—intelligent and hands-free.
Computer connectivity for streamlined data management and system integration.
Micro diffuse reflection photoelectric sensor intelligently identifies test cups, preventing abnormal titration and ensuring experimental safety.
Parameter | Specification |
Measurement Range | 0.0001-1.0000 mgKOH/g |
Resolution | 0.0001 mgKOH/g |
Number of Test Cups | 6 cups |
Communication Ports | RS485, RS232 |
Power Supply | AC 220V±10%, 50Hz±5% |
Communication Protocol | ModBus RTU |
Maximum Power Consumption | 60W |
Operating Temperature | 0-40°C |
Measurement Method | Neutralization Method |
Operating Humidity | ≤85% RH |
Accuracy | ≤±0.01 mgKOH/g when <0.1000 mgKOH/g |
≤±0.03 mgKOH/g when ≥0.1000 mgKOH/g | |
Repeatability | ≤0.01 mgKOH/g when <0.1000 mgKOH/g |
≤0.05 mgKOH/g when ≥0.1000 mgKOH/g | |
Dimensions | ≤405×285×210 mm (L×W×H) |
Weight | ≤8.8 kg |
