PV Blowing Sand And Dust Test Chamber
Photovoltaic Module Dust and Sand Blowing Test Chamber is an environmental reliability testing system designed to simulate high-dust and sand-laden conditions caused by natural or artificial disturbances. The chamber is mainly used to evaluate the sealing integrity, structural reliability, and optical performance degradation of photovoltaic modules under dust and sand erosion.
Standards
(1)GB/T 2423.37-2006 Environmental Testing – Part 2: Test Methods – Test L: Dust and Sand Test
(2)GJB 150.12A-2009 Laboratory Environmental Test Methods for Military Equipment – Part 12: Dust and Sand Test
(3)IEC 60068-2-68 Environmental Testing – Part 2-68: Tests – Test Lb: Dust and Sand
(4)IEC 61300-2-27 Fibre Optic Interconnecting Devices and Passive Components – Basic Test and Measurement Procedures – Part 2-27: Dust Test
Parameters
| Item | Technical Specification |
|---|---|
| Working chamber size | Approx. 1000 × 1000 × 1000 mm (W × H × D) |
| Overall dimensions | Approx. 6500 × 2400 × 3400 mm (subject to actual equipment) |
| Temperature range | RT ±10 to 70 ℃ |
| Humidity range | ≤30% RH (display only, not adjustable) |
| Fine dust particle size | ≤75 μm |
| Coarse dust particle size | ≤150 μm |
| Horizontal dust/sand blowing wind speed | 1.5–29 m/s, continuously adjustable |
| Dust blowing concentration | 10.6 g/m³ ±7 g/m³ |
| Dust blowing wind speed | 1.5–8.9 m/s |
| Sand blowing concentration | 0.18 ±0.15 g/m³ / 1.1 ±0.3 g/m³ / 2.2 ±0.5 g/m³ |
| Sand blowing wind speed | 18–29 m/s |
| Sand blowing duration | 90 min (extendable) |
| Airflow type | Horizontal laminar flow |
| Sample size | 300 × 300 mm |
| Sample quantity | 3 pieces |
| Hua stone powder dosage | 2–5 kg/m³ (25 kg standard supply) |
| Power supply | AC 380 V ±10%, three-phase five-wire system, 80 A air circuit breaker |
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