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Arc Resistance Tester NDH-15K
NDH-15KStep into a new era of precision testing with our Arc Resistance Test System. Meticulously designed to meet the demanding needs of electrical insulation material testing, this high-precision equipment exemplifies unmatched excellence in its domain.,it's sthe optimal choice for the comprehensive analysis of electrical insulation materials, including a diverse range such as plastics, films, resins, mica, ceramics, glass, insulating paints, and various other materials seeking superior arc resistance evaluation., it is also an essential asset in product testing and the advancement of new materials' electrical property research.
Our cutting-edge insulation materials demonstrate remarkable durability against high-voltage arc-induced degradation. Typically, a standard arc flame will cause surface carbonization until conductivity is achieved. The equipment measures the time for arc cessation in seconds. Utilizing two strategically placed tungsten electrodes,the arc starts intermittently but eventually forms a continuous arc with increased current, subjecting the material to harsh conditions until failure. High arc resistance is critical for materials used in both high-voltage and low-voltage high-current switch applications, where arc exposure is common. Only materials with unparalleled arc resistance can withstand such conditions.
In electrical and electronic devices, insulating materials facing high-voltage, low-current arc discharges show notable surface damage variation. These discharges cause localized thermal and chemical breakdowns, leading to corrosion and eventually forming a conductive path, marking test failure.
Our Arc Resistance Tester adheres to standards such as GB1411, IEC61621, ASTMC495, and UL746A, making it an essential instrument for executing simulated safety testing protocols.
Built to meet strict standard requirements, the arc resistance tester features comprehensive electrical schematics and precision-engineered electrodes.
| Arc on/off time error | All program segments are superior±1ms | Voltage regulator capacity | 1kVA |
| Rated test voltage | 12.5kV | Maximum test voltage | 15kV |
| Electrode pressure on sample | (0.5±0.05)N | Electrode material | Tungsten bars |
| Test voltage accuracy | <1.5% | Current measurement accuracy | <1.5% |
| Distance between electrodes | (6.35±0.1)mm(IEC) (6.0±0.1)mm(ASTM) | Ambient temperature | (23±2)ºC |
| Ambient humidity | (50±5)% | Power supply | 220V±5% 50Hz 10A |
| Program segment | Arc current mA | Arc on&off time /s | Duration of each program segment/s | Total test time/s | |
| IEC 61621 | ASTM D495 | ||||
| 1 | 10 | 1/8son 7/8s off | 1/8son 7/8s off | 60 | 60 |
| 2 | 10 | 1/4s on 3/4s off | 1/4s on 3/4s off | 60 | 120 |
| 3 | 10 | 1/4s on 1/4s off | 1/4s on 1/4s off | 60 | 180 |
| 4 | 10 | Continuous power on | 60 | 240 | |
| 5 | 20 | Continuous power on | 60 | 300 | |
| 6 | 30 | Continuous power on | 60 | 360 | |
| 7 | 40 | Continuous power on | 60 | 420 | |
Note:Ensure all instruments and equipment are securely grounded, maintaining grounding resistance at ≤4Ω for optimal safety. ,The Supply and Demand parties agree that the supplier will provide technical specifications while the demander will establish their own reliable grounding system.
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