With a –70°C to +150°C range and 20%–98% RH capability, the system exposes products to real and accelerated moisture-thermal conditions that commonly affect electronics, automotive parts, aerospace assemblies, and advanced materials.
Its synchronized control platform maintains ±0.5°C stability and ±2.5%RH accuracy, enabling accurate reproduction of combined stresses instead of isolated temperature or humidity loading. The temperature humidity test machine supports ALT, THB programs, multi-section profiles, 85°C/85%RH conditions, and extended 500–2000-hour qualification tests, helping engineers identify failure risks such as corrosion, insulation decay, deformation, and long-term material drift.
Advantages of the Environmental Simulation Temperature Humidity Test Machine
Adaptive Stress Control
Automatically adjusts temperature ramp rates up to 3 °C/min and humidity from 20%–98% RH based on real-time sample feedback. This intelligent control reproduces realistic thermal-humidity interactions, ensuring accurate simulation of operating environments.
Ultra-Fast Recovery
After door openings or stress cycles, the dual-stage cascade refrigeration system and steam humidification restore target conditions within minutes, minimizing downtime and maintaining test continuity.
Long-Duration Stability
Designed for extended reliability testing, it supports 500–2000 h of continuous operation with ±0.5 °C temperature stability and ±2.5% RH humidity precision, guaranteeing consistent results over long-term programs.
Modular Interior for Diverse Samples
Work volumes range from 100 L to 1000 L. Adjustable SUS304 stainless steel shelves and multiple Ø50–Ø100 mm ports provide flexibility to test everything from small prototypes to full assemblies.
Intelligent Data Logging
A built-in LCD touchscreen, LAN, and PC-link interface records multi-point temperature and humidity data in real time. Early deviation detection ensures reliable results and simplifies compliance documentation.
Multi-Zone Airflow Management
Customizable airflow zones maintain uniform conditions, even with unevenly distributed or multiple products, keeping temperature deviation within ±2 °C throughout the chamber.
Safety & Reliability Assured
Equipped with over-temperature protection, pressure safeguards, door interlocks, and water-level monitoring, the system ensures operator safety and protects sensitive samples during high-stress cycles.
What Are the Technical Specifications You Need to Know?
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Model |
TH-100 |
TH-225 |
TH-500 |
TH-1000 |
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Internal Dimension (mm) |
400*500*500 |
500*600*750 |
700*800*900 |
1000*1000*1000 |
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Overall Dimension (mm) |
900*1050*1620 |
1000*1140*1870 |
1200*1340*2020 |
1500*1540*2140 |
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Interior Volume |
100L |
225L |
500L |
1000L |
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Heat load |
1000W |
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Temperature Range |
A : -20℃ ~ +150 ℃ B : -40℃ ~ +150 ℃ C: -70℃ ~ +150 ℃ |
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Temperature Fluctuation |
± 0.5 ℃ |
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Temperature Deviation |
± 2.0 ℃ |
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Humidity Range |
20% ~ 98% RH |
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Humidity Deviation |
± 2.5% RH |
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Cooling Rate |
1 ℃ / min |
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Heating Rate |
3 ℃ / min |
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Controller |
Programmable color LCD touch screen controller,PC Link, LAN interface | |||
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Temperature Sensor |
PTR Platinum Resistance PT100Ω/MV A-class | |||
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Cooling system |
Mechanical compression refrigeration system,environmentally friendly refrigerant. | |||
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Refrigerating unit |
French TECUMSEH compressor | |||
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Water supply system |
Automatic water supply; Water purification system | |||
Highlights Modules of Environmental Simulation Temperature Humidity Test Machine
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Modular Stainless Steel Workroom The SUS304 workroom is corrosion-resistant, easy to clean, and designed for flexible setups. Double-Layer Perforated Sample Holders can support heavy DUTs, and custom high-volume solutions enable testing of bulky equipment,the workroom has a drain at the bottom to allow condensate to drain promptly. |
Dual-Stage Eco-Friendly Refrigeration System The environmental test machine uses a multi-stage cascade refrigeration system with eco-friendly refrigerants, ensuring stable cooling from –70°C to +150°C while minimizing environmental impact. |
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Advanced Programmable Controller Equipped with a high-resolution LCD touchscreen and PC/LAN connectivity, the controller allows real-time monitoring, multi-step programming, and remote supervision of temperature and humidity profiles. |
Sample Inspection & Signal Integration The large heated viewing window prevents condensation, while internal LED lighting ensures clear visibility. |
FAQ - Environmental Simulation Temperature Humidity Test Machine
Q1. Can it run continuous 85 °C / 85% RH tests?
Yes. The environmental simulation temperature humidity test machine is designed for long-term 85 °C / 85% RH reliability testing. High-capacity humidification and cascade refrigeration work together to maintain stable conditions without drift during extended test cycles.
Q2. Does the machine support remote monitoring?
Yes. With LAN and PC-link connectivity, users can monitor real-time temperature and humidity, alarm status, curves, and program progress remotely, reducing manual supervision during long tests.
Q3. How is humidity kept stable under heavy load conditions?
Closed-loop PID control combined with multi-point humidity sensors automatically compensates for sample moisture absorption, keeping humidity deviation within ±2.5% RH, even at full load.
The Environmental Simulation Temperature Humidity Test Machine from LIB industry delivers accurate, repeatable, and dependable climatic testing for R&D, reliability engineering, and quality validation.
Get a proposal within 1–3 hours.
7–15 days fast delivery • 3-year warranty • Lifetime technical support
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