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| الاسم التجاري: | Sinuo |
| رقم الطراز: | SN774A |
| الـ MOQ: | 1 |
| السعر: | Customized |
| شروط الدفع: | تي/تي |
| القدرة على التوريد: | 10 |
It is mainly applied to test EV conductive charging connection devices (charging guns, charging sockets, on-board charger insulating plastic parts, charging modules), automotive on-board electrical components, low-voltage electrical connectors, new energy vehicle solid insulating materials and engineering plastics.
It is designed to measure the comparative tracking index (CTI) performance of solid electrical insulating materials when their surfaces are exposed to contaminated water under electric field with a maximum test voltage of 600V.
The Comparative Tracking Index (CTI) test is performed on the surface of solid insulating materials. A defined voltage is applied between platinum electrodes of standard dimensions (2 mm × 5 mm). A specified volume of conductive liquid (0.1% NH₄Cl solution) is dropped at a fixed height of 35 mm at 30-second intervals.
This test evaluates the tracking resistance of solid insulating material surfaces under the combined effect of electric field and humid/contaminated medium, and measures the Comparative Tracking Index (CTI) and Proof Tracking Index (PTI) of the material.
Cabinet-type structure with built-in ventilation chamber.
Power Supply: Single-phase AC 220V±10%, 50/60Hz
Ambient Temperature: 10°C ~ 35°C
Relative Humidity: 30% ~ 60%
| Control Operation Mode | PLC control, 7-inch color touch screen operation, with infrared remote control |
| Test Voltage | Adjustable range: 0 ~ 600V, accuracy ±1.5% |
| Timing Device | 9999 × 0.1s resolution |
| Electrode | Material: Platinum electrode + brass connecting rod Dimensions: (5±0.1) × (2±0.1) × (≥12) mm, 30° beveled surface, tip radius R0.1mm |
| Relative Position of Electrodes | Included angle: 60°±5°, electrode gap: 4±0.1mm |
| Electrode Pressure on Specimen | 1.00N±0.05N, value displayed on touch screen |
| Liquid Dropping System | Dropping interval: 30±5s, digital display, presetable Dropping height: 35±5mm Dropping cycles: 0~9999 times, presetable; liquid volume controlled by imported micro-pump, 45~50 drops/cm³ |
| Test Liquid Resistivity | Solution A: 0.1% NH₄Cl, resistivity 3.95±0.05 Ω·m Solution B: resistivity 1.7±0.05 Ω·m |
| Delay Circuit | 2±0.1s (triggered at current ≥ 0.5A) |
| Short-circuit Current & Voltage Drop | 1±0.1A, tolerance ±1%, max voltage drop 8% |
| Test Wind Speed | 0.2 m/s |
| Ambient Requirements | 0 ~ 40°C, relative humidity ≤80%, location free of severe vibration and corrosive gas |
| Lighting | Equipped with controllable test chamber lamp |
| Overall External Dimensions (W×D×H) | 1100×550×1200 mm, weight approx. 130 kg |
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