English
- 1.This instrument is an embedded industrial computer, the main board is based on CortexTM-A8, the main frequency is 1GHZ, the flash memory is 1GB, and the boot speed is only 16 seconds. Large 8.4-inch color screen, windows operating system, intuitive user-friendly operation interface, touch screen, support Chinese and English input, easy for on-site operators to use.
2. High-speed thermal printer, convenient for on-site printing of test data.
3. The integrated operating power supply in the machine eliminates the need for on-site secondary power supply, which is convenient and quick to use. It can provide DC5～270V adjustable power supply, current 20A. The operating voltage value of the opening and closing coil can be set arbitrarily, and the low voltage operation test of the circuit breaker can be done.
4. Equipped with linear sensor, rotation sensor, universal sensor and bracket, special fixed multifunctional joint, installation is extremely convenient and simple.
5. Suitable for all types of SF6 switches, GIS combination electrical appliances, vacuum switches, and oil switches produced at home and abroad.
6. The switch action once, get all the data and graphics.
7. The host can store 30000 groups of current test data (expandable memory card), and the real-time clock in the machine is convenient for archiving.
8. Equipped with U disk interface, can directly save the data to the U disk, upload to the computer for analysis and preservation.
9. It can measure 12 metal contact fractures, 6 main fractures and 6 auxiliary fractures at the same time.
10. Contains the envelope curve. The standard envelope curve is generated through the value tested by a switch for analysis and comparison, as well as the switch vibration frequency analysis.
11. The internal anti-interference circuit can satisfy the reliable use in 500KV substation.
Time measurement | 12 channels inherent opening (closing) time | |||||
Different periods in the opening (closing) phase | ||||||
The difference between opening (closing) phases in different periods | ||||||
Closing (opening) bounce time (bounce times) | ||||||
Internal trigger test range | 0.01ms～20s | Resolution | 0.01ms, | |||
Empty contact test range | 0.01ms～200s | Resolution | 0.1ms | |||
Accuracy rate within 1000ms | 0.05%±1 word | |||||
Speed measurement | Just opening (just closing) speed | |||||
Average speed in a specified time period (stroke period or angle period) | ||||||
Speed range | 1mm sensor 0.01～25.00m/s | |||||
0.1mm sensor 0.001～2.50m/s | ||||||
360° angle sensor 1 cycle/ 0.25° | ||||||
Stroke measurement | Moving contact stroke (stroke) | |||||
Contact stroke (open distance) | ||||||
Overtravel | ||||||
Overshoot stroke or rebound stroke | ||||||
Measuring range | Linear sensor | 50mm | Measuring range | 0-50mm | Resolution | 0.1mm |
360 line sensor | 360° | Measuring range | 0-1000mm | Resolution | 0.25 | |
Acceleration sensor measuring range | 0-300mm | Resolution | 0.1mm | |||
Current display | Maximum current 30A | Resolution | 0.01A | |||
Instrument power | AC 220V ± 10%；50Hz ± 5% | |||||
DC power output | DC5～270V continuously adjustable, DC110V≤30A (short time), DC220V≤20A (short time) | |||||
Empty contact trigger voltage | AC/DC10-300V, current ≤120A | |||||
Isolation switch measuring range | Voltage output | DC5～270V (adjustable) | ||||
Power output time | 0.01-20 seconds (can be set) | |||||
The maximum acquisition time of fracture signal is 200 seconds | ||||||
It can measure the closing and opening time of the fracture, the three-phase | ||||||
Host volume | 360×260×170mm | |||||
Use environment | -20℃~+50℃ | |||||
Relative humidity | ≤90% | |||||
-
Guide to Dielectric Test on Transformer Oil for Power StabilityMaintaining the electrical integrity of power transformers is critical for preventing catastrophic failures and ensuring grid stability. One of the most vital maintenance procedures is the dielectric test on transformer oil , which measures the oils ability to withstand electrical stress without breaking down. Transformer oil serves a dual purpose: acting as an electrical insulator and a cooling medium. When contaminants like moisture, carbon particles, or acids accumulate, the dielectric strength drops, increasing the risk of internal arcing. In this comprehensive guide, we will explore the methodologies, standards, and importance of testing insulating oils to ensure long-term equipment reliability.Detail -
Comprehensive Guide to dga transformer oil analysis for Grid StabilityThe Essential Guide to DGA Transformer Oil Analysis Maintaining the health of power transformers is critical for ensuring grid stability and preventing catastrophic failures. One of the most powerful diagnostic tools available to engineers is dga transformer oil analysis Dissolved Gas Analysis. By monitoring the specific gases that dissolve in insulating oil, technicians can listen to the internal condition of a transformer without taking it offline. This proactive approach allows for the detection of incipient faults, such as overheating or electrical arcing, long before they lead to a total blackout. In this guide, we will explore how DGA worksDetail -
Comprehensive Guide to the dga test for transformer oilMastering the DGA Test for Transformer Oil: A Complete Guide Ensuring the reliability of high-voltage equipment is critical for power grid stability. One of the most effective diagnostic tools available is the dga test for transformer oil , which allows engineers to see inside a transformer without shutting it down. Dissolved Gas Analysis DGA monitors the concentration of specific gases that dissolve in the insulating oil, serving as an early warning system for potential failures. By identifying abnormal gas levels, operators can prevent catastrophic explosions and extend the operational lifespan of their assets. In this guide, we will explore how DGA worksDetail
