Environmental

Environmental Testing

Environmental testing and stimulation ensure that products can withstand adverse shipping or storage conditions. Most commonly, the tests evaluate the long-term exposure to varying temperatures, humidity conditions, thermal shock, vibration, lightning surge and rain/water. U.S. Tech offers various environmental testing services based on the individual product.

Temperature Testing

Temperature is the most common stress applied to electrical or electronic devices. U.S. Tech offers multiple variations of temperature testing to ensure that your product can withstand this condition.

Temperature Storage Tests
Temperature storage tests are typically long-term, non-operational tests. Tested are the degenerative effects of storing a product at a temperature extreme (cold or hot) such as in a warehouse environment. The temperatures specified for storage are typically greater than those the product is expected to operate in are.
Temperature Extreme Testing
Temperature extreme testing measures at what temperature (cold and hot) a device ceases to function properly. U.S. Tech uses different methodologies to provide accurate results. The most common techniques are the step stress profile where the product is exposed to each temperature of interest to confirm the proper operation, and the linear profile where the product is exposed to a temperature of interest via a fast ramp up, followed by a soaking period and then a slow increase to temperatures where failure is expected.
Temperature Cycling
Temperature cycling is the process of switching between two temperature extremes, sometimes at relatively high rates of change. It is used to age products through fatigue. As components heat up and cool down, they expand and contract. This causes failure over time.

Humidity Testing

Various humidity environments can be added at the appropriate temperatures in most of our chambers. We will work with the clients to ensure that functional testing of the product occurs according to their test plan and specifications.

Thermal Shock

Thermal shock is in essence thermal cycling at a very high rate of temperature change, typically 30 C degrees per minute or higher.

Vibration Testing

Vibration is one of the more common mechanical stress environments. We can expose products to the equivalence of 10,000 pounds from 8Hz to 3000Hz.

Lightning Surge

U.S. Technologies uses state-of-the-art surge equipment to apply electrical surges of varying characteristics. Such potentially destructive testing is performed to verify a product's vulnerability to electrical surges, in particular, lightning surges, on either the power lines or telephony interfaces. Clients may define specific rise and decay times of surge wave shape characteristics to be applied to their test samples or simply choose from the many pre-programmed tests such as the Type A, Type B, or Power Line surges required by the ACTA and FCC for terminal equipment and which are included as part of U.S. Tech's ACTA/FCC Terminal Equipment testing services.

Rain and Splash Testing

Rain and Splash testing is commonly conducted per military standard MIL-STD 810, RTCA DO-160 and various Industries specific standards. U.S. Technologies offers multiple variations of water testing including pressure washing, splash and rain exposure to ensure that your product can withstand this condition.

For any other environmental testing not listed, please contact us at 770.740.0717 or via email.