Product Description
Humidity and Temperature Stability Chambers: Functions, Features, and Key Considerations
Humidity and temperature stability chambers are precision instruments designed to replicate controlled environmental conditions for testing the durability, performance, and longevity of materials, components, and products. Widely used in industries such as pharmaceuticals, electronics, automotive, and aerospace, these chambers ensure compliance with global standards while simulating real-world stressors. Below is a detailed overview of their functions, technical features, and critical considerations for optimal use.
Core Functions
1.
Climate Simulation
Temperature Control: Operate across a broad range, typically -70C to +180C, to test thermal resilience in extreme environments (e.g., Arctic cold or desert heat).
Humidity Control: Maintain precise relative humidity (RH) levels from 5% to 98%, enabling tests for moisture absorption, condensation resistance, and material expansion.
2.
Cyclic Testing
Execute programmable temperature and humidity cycles (e.g., diurnal shifts, seasonal changes) to evaluate product behavior under dynamic conditions.
3.
Stability Studies
Conduct long-term stability tests for pharmaceuticals, biologics, and chemicals under ICH guidelines (e.g., 25C/60% RH or 40C/75% RH).
4.
Accelerated Aging
Simulate years of environmental exposure in weeks to predict product lifespan and failure modes.
5.
Material Validation
Test polymers, composites, metals, and adhesives for thermal expansion, warping, or corrosion under controlled humidity.
Product Specifications
| 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 |
Key Technical Features
1.
Precision and Uniformity
Achieve temperature stability within 0.3C and humidity uniformity of 1.5% RH across the chamber workspace, ensuring repeatable results.
2.
Rapid Transition Rates
High-performance models support temperature ramp rates up to 15C/min for thermal shock testing.
3.
Durable Construction
Stainless steel interiors with corrosion-resistant coatings withstand harsh conditions, including salt spray and chemical exposure.
Double-sealed doors and heated viewing windows prevent condensation and maintain visibility.
4.
Advanced Control Systems
Intuitive touchscreen interfaces with pre-programmed test profiles (e.g., MIL-STD-810, IEC 60068).
Real-time data logging and export options (CSV, PDF) for compliance reporting.
5.
Energy Efficiency
Eco-friendly designs incorporate heat recovery systems and low-GWP refrigerants to reduce operational costs.
6.
Compliance Certifications
Meet ISO 17025 (calibration), ASTM E41 (material testing), and FDA 21 CFR Part 11 (data integrity) requirements.
Critical Considerations for Users
1.
Calibration and Maintenance
Schedule annual calibrations using NIST-traceable standards to ensure accuracy.
Regularly clean humidity sensors and replace air filters to prevent contamination.
2.
Chamber Sizing
Select a chamber size (benchtop, reach-in, or walk-in) based on sample volume and test requirements. Overloading can compromise airflow uniformity.
3.
Environmental Compatibility
Ensure the chambers electrical specifications (voltage, phase) align with local infrastructure.
Provide adequate ventilation to dissipate heat generated during high-temperature tests.
4.
Safety Protocols
Use chambers with fail-safes like over-temperature protection and automatic shutdown for flammable material testing.
Train operators on emergency procedures for power outages or system malfunctions.
5.
Standard Compliance
Verify that the chamber meets industry-specific standards (e.g., ICH Q1A for pharmaceuticals, JEDEC JESD22 for semiconductors).
6.
Customization Needs
For specialized applications (e.g., altitude simulation, UV exposure), opt for modular designs that allow future upgrades.
Industrial Applications
Pharmaceuticals: Accelerated stability testing for drugs and vaccines.
Electronics: Moisture sensitivity testing (MSL) for semiconductors and PCBs.
Automotive: Validating EV battery performance under thermal cycling.
Aerospace: Stress-testing composites and avionics in extreme climates.
Custom-Built for PrecisionOur humidity chambers are tailored to your specific needs, offering customizable capacity, specimen slots, and features. Whether you require 50L, 80L, 150L, or a specialized volume, our engineering team delivers optimal solutions for a wide range of material testing and research applications. Choose from white, blue, or bespoke colors to match your workspace.
Cutting-Edge Controls & User ExperienceEnjoy fully automated PID controllers for seamless temperature and humidity management. Benefit from optional data logging via USB or SD card, programmable test cycles, quick response time (<30 seconds), and both semi-automatic and automatic instrumentation. The digital PID display ensures easy operation while audio/visual alarms notify you of deviations for peace of mind.
Durable Construction & ComplianceBuilt with Stainless Steel 304 interiors and powder-coated mild steel exteriors, our chambers ensure lasting performance and easy maintenance. High-density polyurethane foam (PUF) insulation, forced air convection, and robust heating systems create uniformly accurate test environments. Each chamber is fully compliant with ASTM D, ISO, and specific customer standards.
FAQ's of Small Humidity Chamber Manufacturer Custom Solutions Available:
Q: How does the humidity generation system work in the small humidity chamber?
A: The chamber utilizes either a steam or ultrasonic humidifier to generate humidity, ensuring the precise environmental conditions required for material testing. The automated PID controller closely monitors and regulates humidity within the 40% to 95% RH range, with high accuracy and fast response.
Q: What materials are used in the construction of the humidity chamber?
A: The internal chamber is crafted from high-quality Stainless Steel 304 for corrosion resistance and durability, while the external body features powder-coated mild steel. The double-walled door is equipped with a see-through glass window, and high-density polyurethane foam (PUF) provides superior insulation.
Q: When is it necessary to use a certified calibration option?
A: Certified calibration is recommended when your protocols or regulatory requirements (such as ISO or ASTM D compliance) demand traceable measurement accuracy. It ensures your chamber's performance is validated by recognized standards, important for quality assurance and critical research applications.
Q: Where can the small humidity chamber be used effectively?
A: This chamber is ideal for use in laboratories, industrial quality control, and R&D environments. Its compact, bench-top design allows integration in limited spaces, supporting consistent material evaluations across a variety of sectors including textiles, electronics, and pharmaceuticals.
Q: What is the process for controlling and monitoring temperature and humidity?
A: The chamber uses an automated, programmable digital microprocessor PID controller to maintain set parameters. Users can monitor real-time values on a digital display, program test cycles, and access data logging features (USB/SD card) as needed. Alarms alert to any deviations, ensuring reliable testing.
Q: How does forced air convection benefit specimen testing?
A: Forced air convection uniformly circulates air within the chamber, ensuring even distribution of humidity and temperature throughout the test area. This consistency minimizes variability, leading to highly reliable and repeatable test results for all specimens.