Environmental chambers with advanced humidity control systems are critical tools for industries requiring precise simulation of atmospheric conditions. These systems enable rigorous testing of materials, components, and products under controlled humidity levels, ensuring compliance with global standards and operational reliability. Below, we explore the technical capabilities and applications of modern humidity control technology in environmental chambers.
Model | DR-H201-100 | DR-H2017-150 | DR-h201-225 | DR-H201-408 | DR-H2017-1000 | |
Internal Dimension (W*H*D) | 400*500*500mm | 500*500*600mm | 500*750*600mm | 600*850*800mm | 1000*1000*800mm | |
External Dimension (sus Type) (W*H*D) | 950*1400*1100mm | 1100*1500*1100mm | 1100*1670*1200mm | 1200*1770*1400mm | 1550*2100*1400mm | |
External Dimension (paint Type) (W*H*D) | 700*1400*1100mm | 800*1500*1100mm | 800*1670*1200mm | 900*1770*1400mm | 1550*2100*1400mm | |
Temperature | -20/-40/-70 | |||||
Total Power (KW) | 4.5/4.5/6.5 | 5/5/6.5 | 9.5/9.5/11.6 | 9.5/9.5/11.6 | 17/17/21.5 | |
Maximum Current (A) | 25/25/32 | 32/32/40 | 25/32/40 | 32 | 50/50/60 | |
Voltage (A) | Sigle Phase 220V | Three Phase 380V | ||||
Performane | Temp.& Humi. Adjust Way | Balanced temperature and humidity control (BTHC) PID intelligent adjustment | ||||
Temperature Range | -20,-40,-70~150 | |||||
Temperature Accuracy | 0.01 | |||||
Temperature Tolerance | 1.02.0 | |||||
Temperature Fluctuations | 0.5 without load and temperature stable | |||||
Temperature Uniformity | 1.5 without loading, 50mmSENSOR | |||||
Humidity Range | 20%-98%RH | |||||
Humidity Accuracy | 0.1%RH | |||||
Humidity Tolerance | 1 75%RH3%RH 2 75%RH 6%RH | |||||
Humidity Fluctuations | 2.5%RH | |||||
Heating Rate | 3/min in average | |||||
Cooling Rate | 1/min in average | |||||
Regulator | Cooling Method | Single stage compression, two stage compression | ||||
Refrigerator | Hermertically Sealed France Tecumseh Compressor or Semi-hermetic BOcK Compressor | |||||
Cooling Method | Air-cooled | |||||
Controller | Operation Panel | Programmable LCD Touch Screen | ||||
Running Mode | Fix Running, Pattern Running | |||||
Program Memory Capacity | 120 Group Programmable, Max 100 Section Each | |||||
Output | Rs-232 (USB,Optional) | |||||
Water Sup | Water Supply | Circulating Water | ||||
Water Tank Capacity | Chamber Internal Capacity < 800L: 25L X 1pc | |||||
Chamber Internal Capacity > 800L: 25LX 2pc |
Broad Humidity Range
Modern chambers achieve humidity levels spanning 10% to 98% relative humidity (RH), accommodating diverse testing needsfrom arid desert simulations to tropical rainforest conditions.
High Accuracy and Stability
Precision sensors and feedback loops maintain humidity stability within 1.5% RH across the workspace, even during rapid temperature transitions. This ensures repeatable test results critical for industries like pharmaceuticals and aerospace.
Uniform Distribution
Advanced airflow designs and strategically placed diffusers ensure humidity uniformity (2% RH) throughout the chamber, eliminating hot or dry spots that could skew test outcomes.
Condensation Management
Anti-condensation heaters and humidity ramping protocols prevent moisture buildup on test samples, protecting sensitive electronics or optical components during cyclic tests.
Programmable Profiles
Users can create multi-step humidity cycles (e.g., step, ramp, or dwell phases) via intuitive interfaces, replicating real-world environmental stress scenarios such as diurnal shifts or seasonal changes.
Compliance with Industry Standards
Systems adhere to ASTM E104, IEC 60068-2-78, and MIL-STD-883 protocols, ensuring data validity for regulatory submissions in sectors like medical device manufacturing or automotive safety.
Dew Point Mirror Sensors: Provide real-time humidity measurements with minimal drift, outperforming traditional capacitive sensors in low-humidity conditions.
Dual-Stage Humidification: Combines steam injection for rapid humidity increases and adiabatic cooling for precise dehumidification, optimizing energy efficiency.
Fog-Free Viewing Windows: Utilize heated glass and anti-fog coatings to maintain visibility during high-humidity tests without compromising internal conditions.
Electronics Testing
Validate the moisture resistance of PCBs, semiconductors, and consumer devices under humidity extremes (e.g., 85C/85% RH per JEDEC standards).
Pharmaceutical Stability Studies
Meet FDA and ICH Q1A guidelines by testing drug stability at controlled humidity levels (e.g., 25C/60% RH for long-term storage simulations).
Automotive Component Validation
Assess corrosion resistance of connectors, sensors, and EV battery housings under cyclic humidity conditions mimicking real-world exposure.
Material Science Research
Study hygroscopic materials (e.g., polymers, composites) to evaluate moisture absorption rates and dimensional stability.
Modern chambers support IoT-enabled monitoring, allowing remote control via web interfaces or integration with laboratory information management systems (LIMS). Data logs, including humidity trends and alarm histories, can be exported for audit trails or predictive maintenance analysis.
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