LBT011 Battery Constant-Temperature and Constant-Humidity High-Altitude Low-Pressure Simulation Test Chamber
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Description
Product Introduction:
This test chamber is designed to meet the testing requirements of standards such as UL, EN, and IEC. It can rapidly bring samples to a low-pressure storage condition, automatically control the test cycle, continuously monitor pressure changes inside the chamber, and automatically terminate the test. The battery and battery pack are subjected to storage at a pressure equal to or below 11.6 kPa and an ambient temperature of (20 ± 5)°C for 6 hours. A sample is deemed合格 (qualified) if it exhibits no leakage, no venting, no disintegration, no rupture, and no ignition, and if the open-circuit voltage of each tested battery or battery pack after the test is not less than 90% of its pre‑test voltage.
Product Features:
Box material: Inner box—6.0 mm thick high-quality stainless steel; Outer box—high-quality stainless steel.
Observation Window: Dimensions: 250 x 250 mm, double-layer vacuum‑tempered glass.
Door switch: A door‑limit switch that cuts power when the door is opened, preventing accidental operation and ensuring personnel safety.
Controller: Independently developed force control system
Casters: The equipment is equipped with four swivel casters underneath, allowing for free movement.
Reference standard:
GB/T 31485-2015 “Safety Requirements and Test Methods for Power Storage Batteries Used in Electric Vehicles”
GB/T 31241-2014 “Safety Requirements for Lithium-Ion Batteries and Battery Packs Used in Portable Electronic Products”
UN38.3 “United Nations Manual of Tests and Criteria for the Transport of Dangerous Goods”
IEC 62133 “Safety Requirements for Batteries (or Battery Packs) Composed of Cells and Used in Portable Devices”
QC/T 743-201X “Lithium-Ion Batteries for Electric Vehicles”
GB/T 8897.4-2008 “Primary Batteries – Part 4: Safety Requirements for Lithium Batteries”
GB/T 21966-2008 “Safety Requirements for Lithium Primary Batteries and Rechargeable Batteries During Transport”
YD 1268-2003 “Safety Requirements and Test Methods for Lithium Batteries and Chargers Used in Mobile Communication Handsets”
GB/T 19521.11-2005 “Safety Specification for the Inspection of Hazardous Properties of Lithium Battery Packs”
YDB 032-2009 “Back-up Lithium-ion Battery Pack for Telecommunications”
UL 1642:2012 “Lithium Battery Standard”
UL 2054: 2012 “Secondary Batteries for Household and Commercial Use”
IEC 62281: 2004 “Safety Requirements for Lithium Primary and Secondary Batteries During Transport”
Technical Specifications:
| Parameter Category | Parameter content |
| Pressure range | 0.5–100 kPa; the commonly used test pressure is 11.6 kPa. |
| Material of the storage shelf | Stainless steel |
| Vacuum level display | Digital vacuum gauge control, providing precise vacuum level display and easy vacuum setting. |
| Timer | LED digital display, with freely adjustable settings from 0 to 9999 hours (H/M/S—seconds can be switched). |
| Pressure fluctuations | ≤5% |
| Studio size | 400×400×500 mm (Depth × Width × Height) |
| External dimensions | Approx. 1160×950×1450 mm (Depth × Width × Height) |
| Temperature range | -40℃ to +150℃ |
| Temperature fluctuation degree | ≤±0.5℃ |
| Temperature uniformity | ≤±2℃ |
| Temperature deviation | ≤±2℃ |
| Heating and cooling rate (+20 to 0°C) | About 25 minutes |
| Heating and cooling rate (+20 to 100°C) | About 35 minutes |
| Power supply for the device | AC 220V, 50 Hz, 2.2 kW |
| Laboratory Environmental Requirements – Temperature | 0~35℃ |
| Laboratory Environmental Requirements – Relative Humidity | Not greater than 85% |
| Laboratory Environmental Requirements – Atmospheric Pressure | 86–106 kPa, with no strong vibrations in the surrounding environment. |
| Laboratory Environmental Requirements – Illumination | Without direct sunlight or other direct heat sources. |
| Laboratory Environment Requirements – Power Supply | 220V reliable connection |
| Prerequisites for Device Use | When in use, the internal temperature of the control laboratory must be maintained at (20°C ± 5°C) to meet the temperature requirements within the test chamber. |
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