High and Low Temperature Humidity Test Chamber
High and Low Temperature Humidity Test Chamber is designed for performance and reliability testing of electric vehicle power batteries. It can be integrated with battery performance testing systems and is also suitable for research and development, matching, and other tests involving power batteries and battery management systems.
Standards
GB/T 2423.1: Environmental testing methods for electrical and electronic products - Test A: Low-temperature test method
GB/T 2423.2: Environmental testing methods for electrical and electronic products - Test B: High-temperature test method
GB/T 2423.3: Environmental testing methods for electrical and electronic products - Constant humidity and heat test method
GB/T 2423.4: Environmental Testing Methods for Electrical and Electronic Products - Alternating Humidity and Heat Test Method
GB/T 10586-2006: Technical Conditions for High and Low Temperature Test Chambers
GB/T 10592-2023: Technical Conditions for High and Low Temperature Test Chambers
IEC 62660-4 Lithium-ion batteries for electric road vehicle propulsion
GB/T 31484-2015 Cycle life requirements and test methods for power batteries used in electric vehicles
Parameters
| No. | Item | Specifications |
|---|---|---|
| 1 | Inner Chamber Volume | 12 m³ |
| 2 | Inner Chamber Dimensions | 3000mm (W) × 2000mm (D) × 2000mm (H) |
| 3 | Temperature Range | -45°C ~ +100°C (adjustable) |
| 4 | Temperature Fluctuation | ≤ 0.5°C (no load, steady state) |
| 5 | Temperature Uniformity | ≤ 2°C (no load, steady state) |
| 6 | Temperature Deviation | ≤ ±2°C (no load, steady state) |
| 7 | Heating Rate | ≥ 2°C/min (room temperature ~ 85°C, with non-linear load of 1000kg battery pack) |
| 8 | Cooling Rate | ≥ 1.0°C/min (room temperature ~ -40°C, with non-linear load of 1000kg battery pack) |
| 9 | Humidity Range | 20% ~ 98% RH (adjustable) |
| 10 | Humidity Deviation | - Humidity > 75% RH: ≤ ±2~3% RH- Humidity ≤ 75% RH: ≤ ±5% RH |
| 11 | Humidity Fluctuation | ≤ 2% RH |
| 12 | Humidity Uniformity | - Humidity > 75% RH: ≤ ±2~3% RH- Humidity ≤ 75% RH: ≤ ±5% RH |
| 13 | Air Pressure Balance System | Equipped with an air pressure balance valve, which opens automatically under a certain pressure difference |
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