Temperature Humidity

Temperature and Humidity

Overview
The object is generally to assess the performance of a product in storage, transport, or operating modes to the effects of temperature and humidity.  This product could be raw material, packaging, packaged/unpackaged product, operating product, etc.  


Common Standards 

Generic test methods
• IEC 60068-2-1, Cold
• IEC 60068-2-2, Dry Heat
• IEC 60068-2-14, Change of Temperature
• IEC 60068-2-30, Damp Heat Cyclic
• IEC 60068-2-38, Cyclic Temp and Humidity
• IEC 60068-2-78, Damp Heat Steady State 

Common product standards – incorporate 1 or more temp/humidity tests
• GR-950-CORE Generic requirements for Optical Network closures and systems – telecom/datacom
• GR-487-CORE Generic requirements for outdoor electronic equipment cabinets -telecom/datacom
• GR-3108-CORE Generic requirements for network equipment in the outside plant- telecom/datacom
• GR-63-CORE NEBS requirements for Central Offices- telecom/datacom
• GR-49-CORE Generic requirements for outdoor telephone NID- telecom
• GR-3160-CORE NEBS requirements for Data Center Equipment - telecom/datacom
• GR-3178-CORE Generic requirements for Wireless Transceiver Facilities
• MIL-STD-810 Military standard, but can often be used for industrial/outdoor products to demonstrate robustness.
• GMW3172, MBN LV124, DC10611, automotive standards for electrical components.
• IEC 61850-3 Communications networks and systems for power utility automation
• ETSI EN 300 019 – Environmental classification/tests for Telecom equipment 

• DNVGL Class Guideline 0339 
• Lloyd’s Register Type Approval System Test Specification Number 1
• IACS UR E10
• ABS Steel Vessels 2019
• BV Marine Rules NR467
• 46 CFR Part 162.060-30

Bureau Veritas Littleton Equipment/Capabilities
• 4 small reach in chambers 8ft3, temp range -50 to 150°C, max ramp rate of 2°C/min Humidity Range 5-98%RH, heat load 250W
• 4 medium reach in chambers 27ft3, temp range -70 to 150°C, max ramp rate of 2°C/min, Humidity Range 10-98%RH, heat load 500 to 3000W with humidity
• 2 large reach in chambers 64ft3 , temp range -70 to 150°C, max ramp rate of 5°C/min, Humidity Range 10-98%RH, heat load 3000W with humidity, 5000W without humidity.
• 2 large walk-in chambers, 240ft3 , 420ft3 , temp range (-30 to 65°C, -50 to 80°C) humidity range 10-95%RH, max ramp rate of 2°C/min, heat load 3000W
• 1 small reach in chamber, 4ft3, temp range -70 to 200°C, max ramp rate 15°C/min, LN2 assisted. No humidity.

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