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A thermocouple is a device that measures temperature by using the fact that a junction between two different metals produces a varying voltage related to their temperature. Two common types... more/see it nowof thermocouple are Type J and Type K.
Type J thermocouples use iron paired with a nickel-copper alloy. Type J thermocouples may cover a temperature range of up to -40 to +1382° F (-40 to +750°C), and offer high sensitivity.
Type K, the most common type of thermocouple, uses nickel-chromium and nickel-aluminum alloys. Because Type K is an early specification, its characteristics vary widely; individual thermocouples may cover a range of up to -328 to +2462 °F (-200 to +1350 °C).
Blade servers are hot. Really hot. These slim, high-powered CPUs generate heat like nothing you’ve ever installed in your data center before—a rack of blade servers can generate more heat... more/see it nowthan an electric oven! And as temperatures rise, servers may fail, leading to downtime and even data loss.
Needless to say, blade servers present
a cooling challenge. If you plan to install them, you need to make sure you can accommodate their cooling needs.
Computer rooms have special equipment such as raised-floor cooling systems to meet their high cooling requirements, but it’s also important to ensure that cabinets used to house blade servers provide adequate ventilation—even in a cool room, hot spots can develop inside cabinets if air distribution is inadequate.
If you’re planning to install blade
servers or other high-density components
in cabinets, look for a cabinet with fully perforated doors in the front and rear—
the greater the amount of perforation,
the more cool air can be delivered to the components.
Don’t overload the cabinet by trying
to fit in too many servers—75% to 80%
of capacity is about right. Leave at least 1U of space between rows of servers for front-to-back ventilation. And finally, ensure all unused rack space is closed off with blank panels to prevent recirculation of warm air back to the front of the cabinet.
If you need help calculating your system’s cooling needs, contact our FREE Tech Support.
Delivering superior technical support is our highest priority. Depending on the products or services we provide for you, please visit your appropriate support area.
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