In fire alarm, thermostats, etc.Specifications Chart Product Families StrongBox LT StrongBox Ergonomic Design General Specifications Form Factor: Architecture: Processor: Slots / Full Length Slots: Memory: LCD: Diagnostics / Advanced Diagnostics: Corner Protectors: Protective Glass: Speakers: ATX / ♚TX Industrial Motherboard with PCI, PCI-X, PCI-E or PCI / ISA architecture 1 PCI-E (x16), 4 PCI, 1 shared PCI/ISA and 1 PCI-E (x1) or 1 PCI-E (x16), 4 PCI and 2 PCI-E (x1) or 1 PCI-E (x16), 2 PCI-X and 3 PCI expansion slots Intel® Pentium® 4 supporting Hyper-Threading or Pentium® D, Dual Core Technology 7 slots / 6 full length slots Support up to 4GB DDR or DDR 2 SDRAM Memory 15” TFT, 1024x768 pixels or 1600x1200 pixels, 200 nits, 500 nits, or 1800 nits Case/cards fan speed control, alarm on case/ cards/CPU fans, thermal alarm (sound/LED), high temperature thermal shut down Not available Not available Specific monitoring of case/card's fan speed, alarm on case/cards/CPU fans (sound, LCD message), thermal alarm (sound, LCD message), high temperature thermal shut down Steel reinforced shock absorbing rubber corner protection Impact resistant & anti-reflect LCD screen glass Up to 6 shock and vibration mounted drive bays: 2x2.5” (1 optional), 1x3.5” (optional) Drive Bays: & 1x5.25”, 1 slim floppy bay & 1 slim CD bay Case Construction: Lightweight aluminum chassis (external/internal) Case Size (W x D x H): 16.3” x 8.9” x 12.8” 16.9” x 9.5” x 13.4” System Weight: 9.07 kg (20 lbs) 9.30 kg (20.5 lbs) Keyboard/Pointing Device: Power Supply: Retention mechanism: Security lock: Connector: Carrying Case: Cooling fan: Mechanical Environment Full size detachable & mechanical keyboard c/w 2 buttons touch pad for exact positioning Universal 400W Auto-ranging 90~265 VAC, 47~63 Hz. Where bimetallic strips are used ? Answer. The metal which has higher coefficient of linear expansion lies on the outer side. Which part of the bimetallic strips lie outside on heating ? Answer. Relation between α, β and γ by differential method In general, if a body has volume V 1 at t☌ and V 2 at t 2☌ we may prove that V 2 = V 1 Equation (3) is possible because γ has Small value and γ 2 is negligible. (2), Vt can be found if V 0, γ and t are known. (1), V t-V 0 = y V 0 t or V t = V 0 …(2) From Eq. Hence, the coefficient of cubical expansion of the material of the body may be defined as the increase in volume of a body of unit volume for one degree rise in temperature. (1), if V 0=1, t=1, then, cubical expansion, V t-V 0 = γ. It is called coefficient of cubical expansion of the material of the body. Hence, proceeding as in linear expansion, V t-V 0 = γ V 0 t where γ is constant of proportionality whose value depends upon the material of the body. It also depends upon the material of the body. Then, like linear and superficial expansion, cubical expansion (V t – V 0) depends upon original volume (V 0) and rise in temperature (t). Let a body of certain material have volume V 0 at 0☌. Increase in volume is called cubical expansion.Ĭoefficient of cubical expansion Introduction. Increase in area is called superficial expansion. Increase in length is called linear expansion. All dimensions increase in same proportion. Increase in dimensions of a solid on heating, is called thermal expansion of the solid.
Strongbox thermal expansion manual#
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