Automatic Oil Acidity Tester
Automatic Oil Acidity Tester
MT-AD305
The Automatic Oil Acidity Tester is designed for accurate determination of the acid number of petroleum products using the neutralization titration method. in accordance with ASTM D974, GB 264 standard.
Introduction
Acid number is an important indicator of oil oxidation, contamination, and degradation. Monitoring the acid value helps determine the service condition and remaining life of lubricants, insulating oils, and fuel oils.
This Automatic Oil Acidity Tester performs the entire testing process automatically, including reagent addition, titration, stirring, endpoint detection, result calculation, data storage, and printing.
The system is widely used for the analysis of transformer oil, turbine oil, fire-resistant oil, diesel fuel, gasoline, and other petroleum products, providing reliable data for oil quality monitoring and maintenance decision-making.
Typical Applications
The Automatic Oil Acid Value Tester is widely used for acid number determination of petroleum products such as:
- Transformer insulating oil
- Turbine lubricating oil
- Fire-resistant hydraulic oil
- Diesel fuel and gasoline
- Industrial lubricants
Typical industries include:
- Power generation and electrical utilities
- Petroleum refining laboratories
- Chemical manufacturing plants
- Oil analysis laboratories
- Research institutions and universities
Key Features
1. Fully Automated Neutralization Titration System
The Automatic Oil Acid Value Tester performs the entire titration workflow automatically, including reagent addition, stirring, titration control, endpoint detection, and result calculation. This automation significantly improves testing efficiency and eliminates manual operation errors.
2. High-Precision Photoelectric Endpoint Detection
The system uses advanced photoelectric detection technology to accurately identify the titration endpoint, ensuring reliable acid number measurement even for low-acid samples.
3. Six-Position Automatic Sample Carousel
The instrument is equipped with six sample cups with automatic switching capability, enabling parallel testing and comparison of multiple samples. This improves laboratory throughput and supports batch analysis.
4. Automatic Pipeline Cleaning System
An integrated automatic cleaning function prevents reagent crystallization and pipeline blockage, reducing maintenance requirements and extending system service life.
5. Large 10-Inch Touchscreen Interface
The instrument features a 10-inch color touchscreen with bilingual interface, displaying real-time testing parameters such as titration progress, reagent consumption, and calculated acid value.
6. Advanced Data Connectivity
The instrument supports: RS232 interface for optional analytical balance connection, allowing automatic sample weight input and automatic acid number calculation. USB interface for data export or PC connection
7. Durable Laboratory Construction
The instrument housing is made from high-quality cold-rolled steel with electrostatic coating, providing excellent corrosion resistance and easy cleaning.
Technical Specifications
|
Name |
MT-AD305 Automatic Oil Acid Value Tester |
|
Display |
10-inch color touchscreen |
|
Repeatability |
≤0.3% |
|
Measurement Range |
0.001 – 5.00 mgKOH/g |
|
Resolution |
0.001 mgKOH/g |
|
Accuracy |
±0.2% (0.001–0.100 mgKOH/g) |
|
Printer |
Low-Power High-Speed Thermal Printer (56 mm paper width) |
|
Detection Method |
Photoelectric Endpoint Detection |
|
Titration Method |
Neutralization Titration |
|
Self-Diagnosis |
Automatic Instrument Fault Detection |
|
Additional Function |
Automatic Pipeline Cleaning |
|
Working Environment |
10–45°C, 30–80% RH |
|
Cooling Method |
Forced air cooling |
|
Dimensions (W × D × H) |
440 × 300 × 220 mm (L × W × H) |
|
Power Supply |
AC 220 V ±10%, 50 Hz ±2.5 Hz |
|
Weight |
8.5 kg |
Standards Compliance
This Automatic Oil Acidity Tester is designed in accordance with:
- GB/T 264 – Test Method for Acid Number of Petroleum Products
- GB 7599 – Determination of Acid Number of In-Service Transformer Oil and Turbine Oil
- GB/T 7304 – Test Method for Acid Number of Petroleum Products and Lubricants
- ASTM D974 – Acid Number of Petroleum Products by Color Indicator Titration
These standards are widely used for determining the Total Acid Number (TAN) of petroleum products.
Why Choose Our Automatic Oil Acidity Tester
Accurate Oil Condition Monitoring
Precise acid number measurement helps monitor oxidation and degradation of petroleum products during service.
Fully Automated Operation
Automatic titration workflow reduces manual operation and improves testing repeatability.
Efficient Multi-Sample Analysis
Six-position sample carousel enables parallel testing and improves laboratory productivity.
Intelligent Data Management
USB and RS232 interfaces allow convenient data export and integration with laboratory systems.
Low Maintenance Operation
Automatic cleaning system prevents pipeline blockage and ensures stable long-term operation.
Reliable Industrial Design
Robust corrosion-resistant construction ensures stable performance in demanding laboratory environments.

