Walk-in Constant Temperature and Humidity Test Chamber
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Web: qinsun-lab.com
Email：info@qinsun-lab。com
The Walk-in Constant Temperature and Humidity Test Chamber is suitable for conducting accelerated humidity and heat testing, cyclic humidity and heat testing, and constant humidity and heat testing on large components, semi-finished products, electronic and electrical equipment, precision instruments, lithium batteries, chemical products, automotive parts, and pharmaceuticals. It can also be used for constant temperature and humidity storage in warehouses and production under workshop conditions, enabling analysis and evaluation of product performance and behavior under simulated environmental conditions during testing.
Standards
GB/T2423.3 Environmental Testing of Electronic and Electrical Products Ca: High Temperature Test Method
GB10589-89 Technical Conditions for Low Temperature Testing
GB/T2423.4-93.507.2 Alternating Humidity and Heat Test
GB/T2423.3-93 Constant Temperature and Humidity Test Method
GB5170.5.-96 Requirements for “Verification Methods for Basic Parameters of Environmental Test Equipment for Electrical and Electronic Products”
Requirements of GJB150. IEC, and other standards
Parameters
| Item | Specification |
|---|---|
| Test Area Dimensions | The specific dimensions shall be determined by the customer according to actual usage! |
| External Dimensions | Subject to the quotation. |
| Operating Temperature Range | SBH: +85°C (100°C, 120°C) ~ 0°C (A: 0°C, B: -20°C) |
| Relative Humidity Range | 30% ~ 98%RH- Temperature Deviation: ≤±2°C- Humidity Deviation: +2/-3%RH- Temperature Fluctuation: ≤±0.5°C |
| Heating Time | ≤40min |
| Cooling Time | 30min ~ 180min (varies by model) |
| Material | Exterior: A3 steel plate with spray coatingInterior: SUS#304 stainless steelInsulation: PU foam and insulation board |
| Temperature & Humidity Control System | Equipped with imported fully/ semi-hermetic compressors from the US/Europe, R134a/R404a refrigerant, axial flow fans (side/top discharge), high-performance heaters, steam humidification, and ADP critical dew point cooling dehumidification. Air-cooled or water-cooled dual-system refrigeration. |
| Controller | Programmable type uses Yongheng self-developed touch screen or Korean TH500 controller.Display accuracy: Temperature 0.1°C, Humidity 0.1%RHControl mode: Program/constant value, microcomputer PID controlInput signal: Platinum resistance PT100 |
| Observation Window | Multi-layer hollow electroplated heated explosion-proof glass |
| Other Accessories | Test holes, lighting, feet, shelf racks (or as specified by customer) |
| Safety Devices | Over-temperature protection, leakage protection, water shortage protection, humidification system protection, compressor over-pressure/overload/over-current protection, fan over-speed protection, phase sequence protection |
| Power Supply | AC380V (1±10%) V, 50±0.5HZ, 3-phase 4-wire + protective earth |
| Optional Accessories | Temperature & humidity recorder, USB & 485 communication, SMS alarm, choice of controller/compressor brand, dual refrigeration system, etc. |
| Extendable Products | Walk-in environmental test chamber, high-low temperature test room, high-temperature aging room, constant temperature & humidity workshop/room, dust-free room, purification room, etc. |
| Special Notes |
Custom dimensions are available to meet customer requirements. |
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