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The Head Light Test Chamber is a specialized testing device designed to simulate fogging conditions on vehicle headlights under various environmental conditions. It can replicate multiple real-world scenarios, such as driving in rainy weather, daytime or nighttime car washes, and environments with varying temperatures, humidity levels, and wind speeds. This enables the detection of fogging occurrence and fog dissipation time, thereby evaluating headlight performance.
Testing Standards
Chinese Standards: GB/T 10485-2025, GB 4599-2024
Other Standards: SAIC-GM Standard - GMW14906, Chrysler Standard - PF-12818, Toyota Standard - TSC3000G, Geely Q/JLYJ7110230E-2020, Q/JYJ7110231C-2019, SAIC-GM Standard: SMTC3651002-2015, Honda Standard: 3390ZSTKXAO1IM17, B-Production Standard: E26010NDS008, EQC-1296-2013
| Specifications | KTM-FTA415 | KTM-FTB415 |
Internal box volume (L) | 1080 | 6000 |
| Internal box dimensions W×D×H (mm) | left zone:900*1200*1000 | left zone:1500*2500*2000 |
| right zone:900*1200*1000 | right zone:1200*2500*2000 | |
| External box dimensions W×D×H (mm) | 3460*1332*2230 | 6420*3500*2400 |
| Temperature range (°C) | Left Zone, Right Zone Temperature Range: -40°C ~ +150°C | |
| Heating rate (°C/min) | -40°C ~ +150°C ≥3°C/min (Average across entire range, no load) | |
| Cooling rate (°C/min) | +150°C ~ -40°C ≥2°C/min (Average across entire range, no load) | |
| Temperature deviation (°C) | ≤±2.0 | |
| Temperature uniformity (°C) | ≤2.0 | |
| Temperature fluctuation (°C) | ≤±0.5 | |
Humidity Range (%RH) | 10 (5) to 98 (Left/Right Zones) | |
| Humidity Fluctuation (%RH) | ≤±3.0 | |
| Humidity Deviation (%RH) | <±3.0 | |
| Humidity Uniformity (%RH) | At ≥75%RH, humidity uniformity ≤±3%RH; at ≤75%RH, humidity uniformity ≤±5%RH | |
| Spray System | Hose spray (simulates car wash, rainfall | |
| Spectral Range | 280nm~3000 nm | |
| Light Source System | Steady-state/Infrared | |
| Airflow Direction | Horizontal direction | |
| Airflow Range | Adjustable 0-25m/s (left zone) Adjustable 0-15m/s (right zone) | |
| Left Test Zone | Left zone: Lens mounting surface (vehicle exterior components), cold water rainfall, constant temperature/humidity, wind speed, and illumination | |
Right Test Area | Right zone: Lamp mounting back surface (engine compartment surface), high/low temperature cycling, constant temperature/humidity | |
Cooling Method | Water-cooled | |
Noise Level (dB) | ≤75 (noise levels may increase due to surrounding echoes; note environmental placement of equipment) | |
| Total Weight (kg) | 2000 | 3500 |
| Operating Voltage (V) | AC 380V Three-Phase Five-Wire System | |
| Test Hole Dimensions (mm) | φ100 | |
