Humidity Test Chamber: Why This Piece of Equipment Will Make or Break Your Product

Humidity Test Chamber: Why This Piece of Equipment Will Make or Break Your Product

Being in the company of quality control staffs for many years now, I have seen cases wherein products are tested by visual methods and still end up failing when exposed to humidity levels or in the coast. That's precisely what a humidity test chamber is designed for.

What Is a Humidity Test Chamber?

It is actually equipment that simulates humidity and temperature levels in an enclosed space where materials, components, or other things are being subjected to different reactions. With humidity testing, one does not have to wait months for the natural occurrence of such elements in order to gauge product reaction.

How Testing Is Done by Relative Humidity Tester?

In this machine, the level of relative humidity and temperature is always measured to ensure an exact level of humidity. This is because even small changes could yield inaccurate readings. Different products are tested in this chamber for different time spans, ranging from several hours to several weeks according to ISO or ASTM standards.

The Industries That Rely Highly on These Testing Machines

Manufacturing firms test their products in these machines to ensure circuit board corrosion and connection failure before large-scale manufacturing processes begin. Automakers utilize these chambers to evaluate how well dashboards or wiring harnesses perform in tropical climates. Even packaging and pharmaceutical companies use these humidity testers to test how stable their products remain after certain periods of storage.

Humidity Chambers and Accelerated Aging Test Relationship

A lot of laboratories combine humidity test procedures with accelerated aging tests using high heat levels, thus simulating a number of years of material exposure in a compacted timeframe. This method allows detecting potential long-term material problems such as swelling of material layers, formation of rust, or adhesives' degradation without having to go through all the time needed for seasons. It is one of the quickest methods for validating a product reliability test procedure prior to releasing the product into the market.

Thermal Cycling: A Supplemental Test Method

Modern environmental chambers may include thermal cycling procedure along with the humidity procedure; it involves fast change of temperatures to simulate, for example, transportation of the product from a refrigerated warehouse to a delivery truck operating under high heat levels.

Selecting the Suitable Climatic Chamber for You

An industrial-sized climatic chamber is not what every business requires. The smaller benchtop model is suitable for R&D laboratories doing prototypes testing, whereas the larger one is preferred for bulk testing of products on the production line. Remember to check the volume of the chamber, the range of its humidity, and the ability to recover after the door opening since it affects the test accuracy greatly.

Mistakes Most Companies Make When Testing Products

Putting too many products into the chamber does not allow achieving the appropriate air circulation and, as a result, obtaining inaccurate tests. Not performing calibration tests is another mistake most companies make, which means that their sensors get off track and provide false positive results.

Final Thoughts

A humidity testing chamber is much more than a piece of laboratory equipment stored in some corner – it is the key element of whether your product will survive during transportation and storage or fail in a few months' time.

Bionics Scientific Technologies is a leading laboratory and scientific equipment manufacturer based in India