Highly Accelerated Life Testing (HALT) and HASS Testing

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    Highly Accelerated Life Testing (HALT) and Highly Accelerated Stress Screening (HASS) Testing Services

    Both Highly Accelerated Life Testing (HALT) and Highly Accelerated Stress Screening (HASS) are product reliability testing processes that test a product’s design limitations and manufacturing weaknesses. While both methods are similar in approach and testing, HALT is performed on products and components during the design phase before production or manufacturing. HALT employs a stepped accelerated stress approach to identify the physical limitations of a product’s design under various stressors. HASS is performed when the product is ready for manufacturing. HASS has a similar testing approach as HALT to assess any weakness the product develops during the manufacturing process. Both tests are run to failure to acquire comprehensive data on failure modes and follow a root cause analysis approach to fix issues. Generating a HASS testing profile usually requires previous HALT testing with robust product design and validation data. The type of stresses induced in HALT & HASS includes combined temperature cycling, random 6 degrees of freedom vibration, and electrical loading/monitoring.

    HALT & HASS testing can help designers and engineers address critical development and manufacturing issues ahead and avoid expensive redesign costs or production costs later in the product or component’s life.

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      HALT & HASS  Testing

      • High-temperature step stress
      • Low-temperature step stress
      • Vibration step stress
      • Rapid thermal cycling
      • Combined Environment

      Common Uses

      • HALT
        • Detect design failures
        • Detect Intermittent failures
        • Detect Built-in-Test failures
        • Detect failures caused during manufacturing
        • Component part failures
      • HASS
        • Produce a reliable product
        • Reduce field failures and warranty expenses
        • Used for regular audits and screen production components
        • Improve manufacturing quality

      Industries.

      • Manufacturing
      • Electronic and Electromechanical Device Assemblies
      • Automotive
      • Aerospace
      • Military
      • Transportation
      • Aerospace

      HALT & HASS Laboratories

      • Quality Testing Services
      • National Technical Systems (NTS)
      • Tektronix Inc.
      • Delserro Engineering Solutions
      • Intertek Group Plc.
      • Elite Electronic Engineering Inc.

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        FAQ on HALT HASS Testing

        Our product testing labs regularly provide HALT and HASS testing for a wide range of reliability assessments of products.

        HALT and HASS test pricing depends on the industry.

        Both HALT and HASS are product reliability testing processes that test a product’s design limitations and manufacturing weaknesses. HALT is performed on products and components during the design phase before production or manufacturing. HALT employs a stepped accelerated stress approach to identify the physical limitations of a product’s design under various stressors.

        HALT & HASS testing is used to help designers and engineers address critical development and manufacturing issues ahead and avoid expensive redesign costs or production costs later in the product or component’s life.