Server Rack Varieties That Offer Complete Climate Monitoring Features

The server rack is a common presence in some households as well as office IT setups today. But it has come way ahead from the time it was first invented. Today, there are racks that are designed to comply with environmental issues as well as for monitoring climate.

Server rack varieties with fan control:

High end and higher-density computing configurations necessitates the constant monitoring of climate change in your IT environment. This is essential both for proper functioning of your PC as well as to prevent any damage related to fluctuations in temperature, humidity etc. Many rack varieties come with built-in capability for further automation like fan control with set points along with temperature and humidity sensors set for low and high value. However, for better functioning of your rack it is also necessary to get the correct rackmount powerstrip.

Server rack varieties with alarming controls:

Sudden rise in temperature or humidity as well as smoke can affect the functioning of any computer. To avoid all these situations, there is a constant need for monitoring. Earlier this was done manually. But not anymore! With the advent of rack varieties that are equipped with amazing alarm controls nowadays operating PCs and servers have become a breeze. A standard configuration from most of the well known manufacturers today comes with sensor inputs and relays out puts. Some rack varieties have an audio-video alarm. An audio-buzzer and the display unit blinks to make the user aware of any defaults.

Why temperature monitoring in server racks?

All electronic gadgets need constant monitoring for climate changes or environmental issues. So, go for server rack varieties that have temperature monitoring features. Protect your IT environment from excessive heat, and humidity with racks that are environment sensitive and let you know when things go wrong!

ISC has a large selection of computer racks, rackmount powerstrips and rackmount accessories. Their online catalog for server rack does a good job showing your options along with detailed description so you know exactly what the rack or cabinet can do.

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Sick Building Syndrome and Indoor Climate Control

The problem of high levels of CO2 in ambient air appears to be a modern one. Yet, this is not one of the new fads that crop up from time to time and then disappear again, never to be mentioned again. It is, indeed, a modern problem, caused by the improvements in building standards and especially window manufacture. These improvements, hailed as a triumph over the age-old problem of draughty buildings, have nevertheless created a new negative effect. Ventilation was never a matter for discussion in most cases, it happened naturally as the wind blew and the air in rooms was replaced on a regular basis. With the new, draught-proof buildings this no longer happened, particularly since central heating made it unnecessary to have an air flow for any reason. This has given birth to the concept of indoor climate control.

The result was stale air. Air that has been used and breathed and not replaced, seen as a rising concentration of carbon dioxide, not to mention humidity. These effects had a detrimental influence on the buildings, promoting the growth of mould and other unwanted plant life. This was not the only effect. Slowly, the level of days off for sickness rose and the quality of work sank in these newer or refurbished buildings, leading to something referred to as Sick Building Syndrome, since it appeared to affect everybody in one building. The causes were not known for a long time, but now it is recognised that this is a result of breathing stale air with a high concentration of carbon dioxide over an extended period. Studies have shown that a level of 1000 ppm carbon dioxide will reduce the ability to concentrate by about 30 %, a significant drop by any means.

The obvious solution to this problem of indoor climate control was ventilation, and ventilation or air-conditioning systems were installed in all of these buildings leading only to the next problem: the heating bills in winter rocketed and staff complained of stiff necks and other maladies. Sick Building Syndrome was still here, but in a different form. How to provide adequate ventilation without simply heating the environment in winter? The only viable solution is control of the ventilation to reduce the exchange of air to the minimum required to keep a healthy atmosphere in the rooms, which is where indoor climate control becomes an active instead of just a passive discipline.

The real problem is the carbon dioxide, which is best measured with a NDIR infrared sensor. These are available in one or two channel technology for CO2, but the single channel version is quite accurate and stable enough for this purpose today.

Older types of sensor used to drift, as do cheaply manufactured ones, but a good-quality single channel sensor today will remain stable over years, only requiring a reference point occasionally to set a relative zero point. Such infrared sensors for CO2 are now available from a number of manufacturers such as Madur Electronics in Austria. These come complete with an appropriate analogue output to allow the CO2 level to control the function of the ventilation system.

Industry standard for these control functions is the 0...10 V output, but there are other varieties in use. These can be readily accommodated in the construction or calibration of the system to ensure a high quality of indoor climate control. Perhaps we have finally seen the end to Sick Building Syndrome and can now enjoy the benefits of a controlled climate indoors, if not outdoors.

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