Environmental Aging / Life Cycle - Clark Testing

Environmental Aging / Life Cycle



Clark's Environmental Lab can test equipment at different temperature and humidity environments to comply with IEEE 323 or any other commercial/military standards (Methods 501.1, 502.1 and 507.1 of MIL-STD-810 and Method 102A of MIL-STD-202D). Environmental chambers of different sizes, including walk-in rooms, are available to perform test programs. Temperature range of +200°F to -200°F and relative humidity range of 40% to 100% can be maintained.

Environmental Aging:

  • Types of Tests:

    • Salt Spray Testing
      • Provides a controlled corrosive environment and is used to provide corrosion-resistance information of metals and coated metals. The test consists of atomizing a salt solution into uniform droplets on the units under test. The common standard used for this test is ASTM B117. Click Here to Learn More
    • Humidity Testing
      • Allows moisture levels to be raised or lowered in a controlled environment. High levels of moisture can cause corrosion, oxidation or gaskets to swell. Low levels of moisture can cause brittleness or granulation. Click Here to Learn More
    • High / Low Temperature Testing
      • This testing allows weakness to be identified in the product over wide temperature ranges without introducing temperature shock. High Temperature Testing can reveal weaknesses in electronics such as resistance and inductance in circuits, softening or swelling of molded parts or accelerated aging. Low High Temperature Testing can reveal weaknesses such as embrittlement, electrical constants or freezing due to moisture.
    • Thermal Shock Testing
      • Ramp rates exceeding 50°C/min) This test allows the customer to expose the product to very quick temperature changes to determine the products ability to work in extreme temperature environments.
  • Standards We Test To:

    • IEC 60068 - Temperature / Humidity
    • MIL-STD-311 - Temperature / Humidity
    • MIL-STD-202 - Temperature / Humidity
    • MIL-STD-810 - Temperature / Humidity and Salt Spray
    • ASTM - Temperature / Humidity and Salt Spray
  • Test Equipment:


    • 1 Vista C-460 Environmental Room:
      • Temperature Range: -80°C to 90°C
      • Humidity Range: 40% to 95% RH as limited by 3°C and 50°C Dew points
      • Interior Dimensions: 6'-1.5" (W) x 5'-0.5" (D) x 8'-10" (H)
    • 1 Vista C-478 Environmental Room:
      • Temperature Range: -80°C to 90°C
      • Humidity Range: 40% to 95% RH as limited by 3°F and 140°F Dew points
      • Interior Dimensions: 11'-10.5" (W) x 11'-8" (D) x 12'-4" (H)
    • Large Walk-In:
      • Temperature Range: -40°C to +100°C
      • Interior Dimensions: 13'10" (W) x 15'9" (L)
      • Door Size: 5' (W) x 6'5" (H)
    • Small Walk-In:
      • Temperature Range: -30°C to +100°C
      • Interior Dimensions: 4'5" (W) x 5'10" (H)
      • Door Size: 10' (W) x 13'5" (H)
  • Related Test Services:


    • Structure & Airborne Noise
      • Sound Pressure Measurements
      • Sound Power Measurements
      • Structure Borne Noise Measurements


Life Cycle Aging / Product Validation:



Clark conducts life cycle aging/product endurance testing administering an entire battery of tests simulating equipment’s life cycle. With mechanical capabilities we can actuate components hydraulically, pneumatically or electrically to mechanize components in their operating conditions. We can accelerate the aging process of equipment with a variety of testing systems and processes.

Altitude Testing
Often called “Reduced Pressure Testing” shows the effects of lower air pressures found at higher altitudes. Many forms of transportation packaging requires this form of testing due to the possibility of bursting or leaking during altitude changes. Click Here to Learn More

HALT/HASS Testing
HALT (Highly Accelerated Life Test) and HASS (Highly Accelerated Stress Screen) Testing are a proven way for customers to find process or manufacturing defects in their products before they are released to market. HALT testing allows for lower levels of temperature and vibration stress to be applied to a small amount if units and a shorter testing period. This testing is generally done in the product development stages. HASS testing uses high levels of temperature and vibration stresses for much longer periods and higher levels than the unit would generally be subjected to. HASS testing is generally done after HALT testing due to its extreme levels.
  • Test Equipment

    • Life Cycle Oven:
      • Grieve B 1-650 Walk-In
        • Maximum Temperature: 350°C
        • Interior Dimension: 50" (W) x 47" (D) x 70" (H)
    • Thermal Shock Chambers:
      • Small
        • Temperature Range: -103°F - +400°F
        • Accepts Products: 20" (W) x 27" (H)

      • Medium
        • Temperature Range: -75°F - +350°F
        • Accepts Products: 29" (W) x 27" (H)

      • Thermotron - Non-Walk-In
        • Accepts Products: 48" (W) x 47" (H)
    • Halt Chamber:
      • Temperature - TC / TVC-9
        • Change Rate: Up to 60°C Min
        • Range: -100°C to +200°C
        • Extended Range: -150°C to +400°C
        • Temperature Control: + / - 1°C on Stabilization

      • Tri-Axial Vibration - TVC-9
        • Level: Up to 60 gRMS
        • Range: 5 to 5000 Hz
        • Control: + / - 1 gRMS within 1 minute of setting
        • Max Weight: 500 lbs
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Clark Testing has been providing product qualification testing and design verification for manufactures for over 20 years. We provide our clients with independent testing.

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Related Services


Environmental Aging / Life Cycle


Seisimic Testing


EMC / EMI


Laboratory Services


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