CONTENTS

1. Trondheim, Februar, 2003 CONTENTS ENVIRONMENTAL TESTING OVERVIEW QUALIFICATION TESTS MIL-STD-810 F PRODUCTION SCREENING HIGH ACCELERATED TESTS (HALT & HASS) ENVIRONMENTAL STRESSES SCREENING STRENGHT ACCELERATION FACTORS ACCELERATED TEST MACHINES ACCELERATED TEST ADVANTAGES

2. ENVIRONMENTAL TESTING APPLICATIONS HIGH ACCELERATED TEST (LIFE OR ESS) QUALIFICATION TESTS ENVIRONMENTAL STRESS SCREENING (ESS)

3. 1 - QUALIFICATION TEST THIS IS THE MOST COMMON/KNOWN TEST WHICH : • VERIFY THE COMPLIANCE WITH THE ENVIRONMENTAL REQUIREMENTS FOR THE PRODUCT, • ALLOWS TO SUPPLY QUALITY PRODUCTS ABLE TO PERFORM WITHIN THE SPECIFIED OPERATING ENVIRONMENT NOTE : THIS IS THE WRONG PLACE FOR SURPRISES, ENVIRONMENTAL DESIGN MISTAKES WILL BE VERY EXPENSIVE!

4. STANDARD TOOLS FOR QUALIFICATION TESTS

5. CONTENTS PART TWO : LABORATORY TEST METHODS 500 Low Pressure (Altitude) 501 High Temperature 502 Low Temperature 503 Temperature Shock 504 Contamination by Fluids 505 Solar Radiation (Sunshine) 506 Rain 507 Humidity 508 Fungus 509 Salt Fog 510 Sand and Dust 511 Explosive Atmosphere 512 Immersion 513 Acceleration 514 Vibration 515 Acoustic Noise 516 Shock 517 Pyroshock 518 Acidic Atmosphere 519 Gunfire 520 Temperature, Humidity, Vibration, Altitude 521 Icing/Freezing Rain 522 Ballistic Shock

6. 2 - ESS THIS IS A SCREENING DURING THE PRODUCTION PROCESS WHICH : ACCELERATE THE TEST OBJECT LIFE IN ORDER TO DETECT “INFANT MORTALITY” AND LATENT FAILURES OF THE TEST OBJECT LIFE

7. ESS TARGETS • TO MEET RELIABILITY REQUIREMENTS FOR CRITICAL SYSTEMS IN TRASPORTATION, TELECOMUNICATION, MILITARY . . . • TO DECREASE THE WARRANTY COST AND SOMETIMES THE TOTAL PRODUCTION COSTS • TO IMPROVE THE SUPPLIER IMAGE THROUGH IMPROVED MTBF AND LIFE CYCLE COST OF THE PRODUCT • TO VERIFY THAT THE PRODUCT CAN RELIABLY PERFORM IN THE SPECIFIED ENVIRONMENT

8. Relative weight 40 Random Vibration High temperature 30 Elettrical stress Sweep Sin Vibration Combined environment Thermal shock Low temperature Sin Vibration Mechanical Shock 20 Humidity Acceleration 10 Altitude 0 Industrie S.p.A. ESS TECHNIQUES Thermal cycling THIS IS ONLY A SURVEY ! (EUROPEAN)

9. ESS TOOLS “FAST” CHAMBER COMBINED WITH SHAKER

10. CST 130 S Main Characteristics External dimension 1400x1780x1950 mm Internal Dimension 580x510x420 mm Maximum Load 30 Kg Temperature Range -80°C / +220°C Temperature Accuracy 0.5°C Heating Temperature Rate 40°C/min from -55°C to +125°C Cooling Temperature Rate 28°C/min from +125°C to -55°C Recovery time 15min (-55°C / +125°C) with 6 Kg Max electrical power 17Kw

11. 3 - HIGH ACCELERATED LIFE THIS IS A HIGH ENVIRONMENTAL AND FUNCTIONAL STRESS APPLIED TO A TEST OBJECT TO PRODUCE A “HIGH ACCELERATION” OF THE LIFE

12. Industrie S.p.A. SCREENING STRENGTHTEMPERATURE CYCLING screening strength 20°C/min 0.8 15°C/min 10°C/min 0.7 0.6 5°C/min 0.5 0.4 0.3 0.2 0.1 cycles 10 20 30 40 50

13. RELIABILITY HALT2-6 UNITS reliability ESS100-200 UNITS QUAL1- 20 UNITS time

14. TYPICAL CHARACTERISTICS FOR HIGH ENVIRONMENTAL STRESS CHAMBER • VOLUME ~ 1M3 • COOLING ~ MECHANICAL AND/OR LN2 • TEMP. RANGE ~ -60°C TO 100°C • TEMP. RATE ~ 5 TO 30°C/MIN • AIR FLOW ~ 2 TO 5M/SEC • POWER ~ 40 TO 200 KW • INTERFACE ~ SHAKER • PRICE ~ 40K TO 250K USD

15. HALT CHAMBER FOR AERONAUTICAL APPLICATIONS TEMPERATURE-HUMIDITY-VIBRATION-VACUUM

16. HALT CHAMBER WITH HORIZONTAL & VERTICAL VIBRATIONS

17. BASICS OF ACCELERATION BASIC PHILOSOFY IS : RAPIDLY CYCLING BETWEEN EXTREME ENVIRONMENTAL CONDITIONS ACCELERATION CAN BE APPLIED ALSO TO CORROSION TESTS

18. ACCELERATING CORROSION THE “DRY CORROSION TEST” : • APPLY THE ACCELERATION BASIC CONCEPTS, • MATCHES THE REAL LIFE EVENTS WET & SALTY DRY GOOD WEATHER RAIN WINDY DAY NIGHT DEW

19. MODULAR CONFIGURATION TESTING TOOL ANTI-DRIPPING COVER PNEUMATIC & HYDRAULIC SYSTEMS ELECTRICAL & CONTROL SYSTEM TEST CHAMBER