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Temperature & Humidity Chambers

Walk-In Type Temperature Humidity Test Chamber

Large-capacity walk-in climatic chamber engineered for precise temperature and humidity simulation of full-size products, assemblies, equipment and batch samples.

Walk-In Type Temperature Humidity Test Chamber
Temperature Range −70°C to +180°C
Humidity Range 10%–98% RH
Chamber Volume 7.5–36 m³
Configuration Standard & Custom Sizes

Technical Data

Model Series
SMC-KS Walk-In Series
Temperature Control Range
−70°C to +180°C
Temperature Version A
0°C to +180°C
Temperature Version B
−20°C to +180°C
Temperature Version C
-40°C to +180°C
Temperature Version D
−70°C to +180°C
Temperature Fluctuation
±0.5°C
Cooling Rate
1.0–2.0°C/min average
Heating Rate
2.0–5.0°C/min average
Temperature Uniformity
≤1.5°C from −40°C to +100°C
Extended Temperature Uniformity
≤2.0°C above +100°C or below −40°C
Humidity Control Range
10%–98% RH
Humidity Fluctuation
±2.5% RH
Humidity Uniformity
±3% RH above 75% RH; ±5% RH at ≤75% RH
Control System
Programmable temperature & humidity control
Chamber
Construction Walk-in modular environmental chamber
Configuration
Standard or customised
Model / Series
SMC-KS Series
Temperature Range
−70°C to +180°C
Humidity Range
10%–98% RH
Capacity / Volume
7.5–36 m³ + Custom
Power / Electrical
Configuration dependent
Controller
Programmable temperature & humidity control system
Standards
The chamber can be configured for environmental test procedures associated with IEC 60068 series methods, IEC 60068-2-30 damp heat testing, MIL-STD-810 environmental testing, JIS C 60068-2-78, ASTM D2247, BS EN 61300-2-48 and JIS Z 0202. Final compliance depends on the selected chamber configuration, test method, calibration, specimen arrangement and complete operating procedure.

Controls, Standards & Configuration

Control System

The programmable control system provides continuous monitoring and adjustment of chamber temperature and humidity conditions. Temperature and humidity profiles can be configured for large-scale climatic and reliability test programs. The chamber layout is designed to support uniform environmental conditions throughout the large internal test space. Control configuration, communication interfaces and monitoring options can be selected according to the project requirement.

Environmental / Refrigeration System

The refrigeration system is engineered for stable operation across extended low-temperature and high-load test conditions. Hot-gas defrost technology is used to reduce evaporator frosting during long-duration low-temperature operation. Variable refrigerant-flow control based on PID cooling demand supports energy-efficient operation and can reduce low-temperature energy consumption. The modular refrigeration architecture is designed to improve reliability, cooling efficiency, maintenance access and long-term serviceability.

Performance & System Advantages

Large walk-in test area for complete products and batch samples
Standard chamber volumes from 7.5 m³ to 36 m³
Custom chamber dimensions available
Wide configurable temperature range down to −70°C
Humidity control from 10% to 98% RH
Programmable temperature and humidity profiles
High temperature and humidity uniformity
Multiple temperature-range configurations
High heat-load testing capability
Energy-efficient refrigeration control
Hot-gas defrost technology
Modular refrigeration architecture
On-site installation and commissioning options
Suitable for long-duration reliability testing

Designed for Diverse Test Programs

Automotive components and full assemblies
Electric vehicle and new-energy systems
Battery and energy-storage equipment
Aerospace and aviation equipment
Telecommunications equipment
Electronic and electrical products
Large industrial components
Material durability testing
Batch product reliability testing
Environmental qualification laboratories
Research and development facilities
Large-scale climatic simulation programs

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