Meet the 85°C/85% RH Test: The Unsung Hero of Reliability Testing

Meet the 85°C/85% RH Test: The Unsung Hero of Reliability Testing

If you’re in the business of designing products that need to withstand heat, humidity, and time, you probably know about the 85°C/85% RH test. This amazing benchmark ensures reliability, durability, and environmental resistance across countless industries. It’s the ultimate endurance challenge for materials and components—a marathon where only the toughest survive.


What Is the 85°C/85% RH Test?

Expose a product to 85°C (185°F) and 85% relative humidity for up to 1,000 hours. This grueling test mimics some of the harshest environmental conditions, ensuring products perform reliably in real-world scenarios—whether on rooftops, in car engines, or in space.


Industries That Rely on This Test

This test is a universal favorite, playing a key role across industries:

  • Semiconductors: Ensures microchips thrive in humid climates.
  • Solar: Validates long-term performance under harsh sun and moisture.
  • Electronics: Tests gadgets from smartphones to PCBs.
  • Automotive: Guarantees reliability in humid or tropical environments.
  • Aerospace: Prepares avionics and sensors for extreme conditions.
  • Medical Devices: Ensures flawless performance in humid human environments.
  • Lighting: Extends the lifespan of outdoor LEDs.
  • Consumer Electronics: Torture-tests devices for vacation-proof durability.
  • Battery: Confirms lithium-ion batteries perform under pressure.
  • Telecommunications: Validates outdoor network equipment.
  • Building Materials: Verifies longevity of sealants and adhesives.
  • Appliances: Ensures washers and air conditioners endure humidity.
  • Renewable Energy: Tests wind turbines and fuel cells for durability.
  • Military: Prepares electronics for extreme environments.
  • Marine: Protects marine electronics from saltwater and humidity.

Why Is This Test So Amazing?

  1. It’s Universal: Adopted across industries.
  2. It Mimics Real-Life Conditions: Simulates actual stress environments.
  3. It’s a Gatekeeper: Ensures only durable, high-quality products succeed.

The Future of Reliability

As industries innovate, the 85°C/85% RH test remains a gold standard. Whether you’re testing a single circuit board or a full-scale solar panel, we design test chambers for every need—from benchtop models to three-story structures. Whatever your challenge, we’ve got you covered. Check out Temperature Humidity Chambers

Let’s celebrate this unsung hero—the ultimate test that keeps our world running, no matter the heat or humidity.