Qualmark HALT & HASS

Home/Qualmark HALT & HASS
Qualmark HALT & HASS 2017-03-03T21:07:32+00:00

Partnering with Qualmark, the leading manufacturer of accelerated reliability test equipment, we can offer Highly Accelerated Life Testing (HALT) & Highly Accelerated Stress Screening (HASS) testing, used to expose failure modes in your products that lead to expensive field failures, giving you the opportunity to analyse and improve your design.

Partnering with Qualmark, the leading manufacturer of accelerated reliability test equipment, we can offer HALT & HASS testing, used to expose failure modes in your products that lead to expensive field failures, giving you the opportunity to analyse and improve your design.

  • Extreme 6 DOF vibration and thermal cycling
  • Expose defects in days that would otherwise take weeks, months or even years
  • Expose latent manufacturing defects that would otherwise surface as field failures
  • See our HALT & HASS overview

HALTHASS & Combined “Shake ‘n’ Bake”

HALT (Highly Accelerated Life Testing) – a complete subject in itself; in essence a combined 6 degree of freedom vibration process with rapid temperature cycling as well. Fundamentally this process can expose defects in days that would otherwise take weeks of traditional testing or years of field use to show up.

HASS (Highly Accelerated Stress Screening) is designed to expose latent defects incurred during manufacture that would otherwise surface as field failures.

HASS can be a useful tool for cutting overall manufacturing time. If used intelligently HASS can reduce or remove extended time processes such as “conditioning” or “burn in”.
Typical problems HASS identifies:

  • Certainty for whether substituted components compromise existing design/product integrity
  • Poor manufacturing implementation of a sound design, e.g. dimensional tolerances, hidden mechanical handling damage, component stress from poor placement alignment etc
  • Poor or incorrectly applied manufacturing techniques, e.g. Overheated PCB tracks lifting, dry joints, components mounted with extended or short wire tails, wire/harness tension or point load fret problems.

Development of a properly structured HASS profile requires previous data from:

  • Previous HALT results
  • Product information data
  • Validation of procedure
  • Products powered and monitored whilst under test

Combined Testing – a more familiar alternative to HALT testing with traditional Vibration, Temperature & Humidity cycling are combined to suit specific test regimes, standards compliance, or simulation of extreme service conditions. It is possible to compress normal operational environment conditions from months/years into hours, days & weeks.

We have a number of shaker systems and a combined shaker/environmental chamber to cover a very diverse range of testing needs.

For more, please see our Test Services or Sales & Hire pages or simply contact us.

Further reading? Qualmark have some excellent resources available on their website.

Accreditation Schedule
Capabilities Document

PLEASE ENTER YOUR ENQUIRY DETAILS BELOW.

HOW DID YOU HEAR ABOUT US?

ENQUIRY TYPE

Alphatech Newsletter subscription ( Your subscription will require confirmation via the email address provided above )