Environmental Simulation Temperature Humidity Test Machine

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Environmental Simulation Temperature Humidity Test Machine
Details
Engineered for modern reliability demands, LIB industry’s Environmental Simulation Temperature Humidity Test Machine recreates complex climatic stresses through precise coordination of temperature and humidity.
Standard Models Available:TH-100 | TH-225 | TH-500 | TH-800 | TH-1000
Temperature Range: –70°C / –40°C / –20°C ~ +150°C
Humidity Range: 20%–98% RH
Heating Rate: up to 3°C/min
Cooling Rate: up to 1°C/min
Compliance: IEC 60068-2 series, MIL-STD-810H, JEDEC JESD22-A104 / A101
Standard & Full-Custom Designs
Category
Temperature Humidity Chamber
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Description

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

1

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.

2

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.

3

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.

4

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.

5

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.

6

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.

7

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?

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

Temperature Sensor

PTR Platinum Resistance PT100Ω/MV A-class

Cooling system

Mechanical compression refrigeration system,environmentally friendly refrigerant.

Refrigerating unit

French TECUMSEH compressor

Water supply system

Automatic water supply; Water purification system

 

 

Highlights Modules of Environmental Simulation Temperature Humidity Test Machine

 

Environmental Simulation Temperature Humidity Test Machine6

Environmental Simulation Temperature Humidity Test Machine8

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.
High-efficiency design delivers fast recovery after stress cycles and maintains ±0.5°C temperature stability across repeated thermal-humidity profiles.

Environmental Simulation Temperature Humidity Test Machine7 Environmental Simulation Temperature Humidity Test Machine4

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.
Supports long-duration 500–2000h experiments with automatic recovery after power interruptions, ensuring uninterrupted testing.

Sample Inspection & Signal Integration

The large heated viewing window prevents condensation, while internal LED lighting ensures clear visibility.
Side ports allow measurement cables, power lines, monitoring devices, or PCB test leads to be connected without disturbing internal stability.
Expert Insights – Temperature & Humidity Reliability Testing

 

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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