ASTM D877 Insulating Oil Dielectric Strength Tester
ASTM D877 Insulating Oil Dielectric Strength Tester
MT-DS908
The Insulating Oil Dielectric Strength Tester is designed for measuring the breakdown voltage of insulating oils in accordance with ASTM D877, GB/T 507 and IEC 60156 standards.
Introduction
Dielectric strength testing is widely used to evaluate the contamination detection of insulating oil and other insulating liquids. Contaminants such as water, suspended particles, or aging products can significantly reduce the dielectric strength of insulating oils. Therefore, dielectric strength testing is an essential method for assessing oil quality and insulation reliability.
The Oil Dielectric Strength Tester adopts microprocessor control technology and automatically completes the entire testing procedure including voltage increase, stirring, resting, breakdown detection, result calculation, and printing.
It is widely used in laboratory oil testing, power utilities, petroleum laboratories, chemical industries, and electrical equipment maintenance departments.
Typical Applications
The Insulating Oil Dielectric Strength Tester is suitable for testing:
- Transformer insulating oils
- Electrical insulating oils
- Mineral insulating oils
- Industrial insulating liquids
Typical application environments include:
- Transformer insulating oils
- Electrical insulating oils
- Mineral insulating oils
- Industrial insulating liquids
Key Features
1. Fully Automatic Dielectric Strength Testing
The instrument automatically performs the entire testing process including voltage increase, stirring, settling, breakdown detection, result calculation, and printing.
2. Triple-Cup Integrated Testing System
The system supports three oil cups in one unit, allowing efficient testing of multiple samples in sequence.
3. Intelligent Voltage Rise Control
The microprocessor control system ensures stable voltage increase with adjustable speed between 2.0–3.5 kV/s, providing accurate breakdown voltage measurement.
4. Automatic Multi-Sample Testing System
The microprocessor control system ensures stable voltage increase with adjustable speed between 2.0–3.5 kV/s, providing accurate breakdown voltage measurement.
5. Data Storage and Environmental Monitoring
The system can store up to 100 test records and display ambient temperature and humidity during testing.
6. Multiple Safety Protection Functions
The instrument includes over-voltage protection, over-current protection, and safety limit protection, ensuring safe operation.
7. RS232 Communication Interface
A standard RS232 communication interface allows connection with computers for data transmission and laboratory data management.
Technical Specifications
|
Name |
MT-DS908 ASTM D877 Automatic Insulating Oil Dielectric Strength Tester |
|
Display |
8-inch Color Touchscreen (800 × 600 resolution) |
|
Temperature Control |
0 – 80 kV (optional) |
|
Voltage Distortion Rate |
≤ 3% |
|
Voltage Rise Speed |
2.0 – 3.5 kV/s |
|
15 minutes (adjustable) |
15 minutes (adjustable) |
|
Test Interval |
15 minutes (adjustable) |
|
Test Cycles |
1 – 6 times |
|
Transformer Capacity |
1.5 kVA |
|
Measurement Accuracy |
±(2% + 2 digits) |
|
Power Consumption |
500 W |
|
Operating Environment |
10 to 40°C, humidity30% – 85% |
|
Power Supply |
AC 220V ±10%, 50 Hz |
|
Dimensions |
485 × 300 × 360 mm |
Standards Compliance
This Oil Dielectric Strength Tester complies with:
- ASTM D877 – Dielectric Breakdown Voltage of Insulating Liquids
- IEC 60156 – Insulating Liquids Determination of Breakdown Voltage
- DL 429.9 – Electrical Insulating Oil Test Standard
- GB/T 507 – Test Method for Breakdown Voltage of Insulating Oil
Why Choose Our Insulating Oil Dielectric Strength Tester
Accurate Breakdown Voltage Measurement
Advanced voltage control ensures reliable dielectric strength evaluation.
Fully Automated Testing
Automatic testing process improves laboratory efficiency and repeatability.
Multiple Sample Testing
Triple-cup integrated design allows testing of several samples efficiently.
Reliable Safety Protection
Comprehensive safety features ensure safe operation.
Data Storage and Communication
Built-in memory and RS232 interface support laboratory data management.
Designed for Oil Testing Laboratories
Ideal for transformer oil testing and electrical insulation analysis.