Why Leading Laboratories Choose the LIB Temperature & Humidity Chamber
1. Precision Thermal Control
Experience rapid ramp rates and ultra-stable temperatures from -70°C to +150°C. Our high-efficiency heating and cooling systems maintain a fluctuation of ±0.5°C, ensuring your test data is always accurate and compliant.
2. Maintenance-Low Humidity System
Our external isolation evaporation technology prevents water scale buildup and sample contamination. This design ensures stable 10%–98% RH control while significantly extending the lifespan of your sensors and internal components.
3. Versatile System Integration
Maximize your lab's capability with a chamber built for combined testing. Our units easily integrate with vibration, altitude, and ESS systems, allowing you to simulate complex real-world conditions within a single, space-saving footprint.
4. Rapid Customization & Delivery
Don’t settle for "close enough." From custom test ports to reinforced shelving for 100kg+ loads, we provide agile engineering and fast-track delivery for bespoke chambers tailored to your specific testing protocols and lab space.
5. Global On-site Support & 3-Year Warranty
Eliminate downtime with our industry-leading 3-year warranty. We provide expert on-site installation and staff training worldwide, ensuring your equipment operates at peak performance with lifelong technical backup.
Temperature and Humidity Test Chamber Specifications
Model | TH-100 | TH-225 | TH-500 | TH-1000 |
Internal Dimension (mm) | 400*500*500 | 500*600*750 | 700*800*900 | 1000*1000*1000 |
Overall Dimension (mm) | 900*1050*1620 | 1000*1140*1870 | 1200*1340*2020 | 1500*1540*2140 |
Interior Volume | 100L | 225L | 500L | 1000L |
Heat load | 1000W |
Temperature Range | A : -20℃ ~ +150 ℃ B : -40℃ ~ +150 ℃ C: -70℃ ~ +150 ℃ |
Temperature Fluctuation | ± 0.5 ℃ |
Temperature Deviation | ± 2.0 ℃ |
Humidity Range | 20% ~ 98% RH |
Humidity Deviation | ± 2.5% RH |
Cooling Rate | 1 ℃ / min |
Heating Rate | 3 ℃ / min |
Controller | Programmable color LCD touch screen controller,PC Link, LAN interface for remote control |
Cooling system | Mechanical compression refrigeration system,environmentally friendly refrigerant,compliant with the GWP standards requirements |
Water supply system | Automatic water supply; Water purification system |
Safety device | Humidifier dry-combustion protection; over-temperature protection; over-current protection; Refrigerant high-pressure protection; Water shortage protection, Earth leakage protection; |
Interior Material | SUS304 stainless steel |
Exterior Material | Steel Plate with protective coating |
Highlights of Temperature and Humidity Test Chamber

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High-Performance Test WorkroomDurable SUS304 stainless steel, the chamber features dual-layer perforated sample racks. Designed to support up to 100 kg, the racks are height-adjustable, fully removable, and work in synergy with the air circulation system to ensure uniform environmental conditions for every sample. | Flexible Test Port DesignStandard Φ50 mm test port, which can be positioned on the side or rear panel. Multiple ports and custom locations are available, allowing sensors, cables, or monitoring devices to connect to test samples without disturbing internal environmental stability. |

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Refrigeration Systemmechanical compression cooling cycle delivers stable cooling performance across wide temperature ranges, enabling the chamber to operate reliably during continuous or high-load environmental testing. | Intelligent Control & Remote MonitoringPID touchscreen controller supports up to 120 programmable test programs with 100 steps each.The system also supports Modbus/TCP protocol, enabling seamless integration with laboratory or factory networks.With Ethernet and USB connectivity, users can remotely monitor test conditions, log data in real time, and export reports. |
Typical Tests Performed by Temperature and Humidity Test Chamber
Temperature Cycling
Simulates rapid temperature changes to evaluate product reliability.
Standards: IEC 60068-2-14, MIL-STD-810G
High Temperature Storage
Low Temperature Testing
Humidity Aging Test
Evaluates resistance to high humidity and condensation for long-term durability.
Standards: IEC 60068-2-78, JESD22-A101
85°C / 85%RH Reliability Test
Combines high temperature and high humidity to verify product reliability in extreme conditions.
Standards: JEDEC JESD22-A101, IEC 60068-2-78
Download the Full Standards List for Your Temperature Humidity Test Chamber
System Maintenance for Temperature and Humidity Test Chamber Reliable Performance
Heating System : Inspect elements and connections to sustain accurate thermal control and extend service life.
Humidification System : Clean water tanks and filters to guarantee consistent humidity levels and prevent test deviations.
Cooling System : Inspect compressors and refrigerant circuits to ensure stable cooling performance and lower downtime.
Electrical System : Check wiring and control circuits to maintain system safety and fault-free operation.
Other Systems : Inspect moving parts and seals to preserve chamber integrity and operational smoothness.
Download the Complete Maintenance Manual
LIB industry offers 17+ years of experience, 3-year warranty, lifelong support, and global installations. Contact us today for a quote or expert testing solution.